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This file: info.cert.org:/pub/cert_advisories/01-README

*******************************************************************
*                                                                 *
* This file contains a list of the CERT(sm) advisories.           *
* Advisories are updated as new information is received.          *
* See the revision history at the end of each file.               *
*                                                                 *
* See also ftp://info.cert.org/pub/latest_sw_versions/ to keep    *
* informed about new releases of software that contain fixes      *
* for security problems.                                          *
*                                                                 *
* Note: We do not attempt to keep all URLs and MD5 checksums up   *
*       to date. If you cannot reach a URL, please notify the     *
*       administrator of the site. For checksums, you should      *
*       check with your vendor for current values.                *
*                                                                 *
* CERT(sm) advisories may be reproduced and distributed without   *
* permission provided it is for noncommercial purposes and the    *
* statement "Copyright Carnegie Mellon University" is included.   *
*                                                                 *
*******************************************************************

CA-88:01.ftpd.hole                                 		12/88
     Warning about BSD sendmail 5.59 debug command; general warning
     about getting latest version of ftpd; other general warnings.
     ** The sendmail portion of this advisory is superseded by CA-96.20,
        CA-96.24, and CA-96.25. **

CA-89:01.passwd.hole                               		01/89
     Report from Keith Bostic of BSD patch for passwd(1) program.

CA-89:02.sun.restore.hole                       		07/26/89
     Vulnerability in SunOS 4.0.* restore(8) command.

CA-89:03.telnet.breakin.warning                 		08/16/89
     Warning about a series of break-ins in which an intruder replaced
     the telnet(1) program with a Trojan horse that captured
     passwords.  Contains some general hints about securing systems.

CA-89:04.decnet.wank.worm                       		10/17/89
     Warning about the "WANK" worm which attacked DECnet hosts.

CA-89:05.ultrix3.0.hole                         		10/17/89
     Warning about attacks on DEC/Ultrix 3.0 machines.  Advises users
     to check for Trojan horses, insecure tftp, simple passwords.

CA-89:06.ultrix3.0.update                       		10/18/89
     A repost of the 10/17 Ultrix advisory with checksums for several
     Ultrix system programs.

CA-89:07.sun.rcp.vulnerability                  		10/26/89
     Vulnerability in SunOS 4.0.x rcp command.

CA-90:01.sun.sendmail.vulnerability             		01/29/90
     Vulnerability in SunOS 3.* and 4.0.* sendmail.
     **Superseded by CA-96.20, CA-96.24, and CA-96.25.

CA-90:02.intruder.warning                       		03/19/90
     Warning about a series of attacks on Internet systems.  Includes
     a list of 14 points to check on Unix and VMS systems.  The points
     cover possible signs of a break-in as well as possible system
     configuration vulnerabilities.

CA-90:03.unisys.warning                         		05/07/90
     Warning about Unisys U5000 systems.  Some of the logins supplied
     when the system was shipped did not have passwords, and intruders
     were taking advantage of this vulnerability.

CA-90:04.apollosuid.vulnerability               		07/27/90
     Vulnerability in Hewlett Packard/Apollo Domain/OS version sr10.2
     and some beta versions of sr10.3.  File /etc/suid_exec contained
     a security flaw.

CA-90:05.sunselection.vulnerability             		08/14/90
     Vulnerability in SunOS 3.*, 4.0.3, and 4.1 SunView selection_svc
     facility.

CA-90:06a.NeXT.vulnerability                    		10/03/90
     Describes several vulnerabilities in NeXT system software.  The
     advisory was originally issued as 90:06; 90:06a includes several
     corrections.

CA-90:07.VMS.ANALYZE.vulnerability              		10/25/90
     Vulnerability in DEC VMS versions 4.0 through 5.4.  Problem with
     ANALYZE/PROCESS_DUMP routine.

CA-90:08.irix.mail                              		10/31/90
     Vulnerability in Silicon Graphics IRIX 3.3 and 3.3.1 systems.
     /usr/sbin/Mail has a security flaw.

CA-90:09.vms.breakins.warning                   		11/09/90
     Warning about techniques intruders were using to get access to
     VMS systems.  No new vulnerabilities described; intruders were
     using weak password attacks.

CA-90:10.attack.rumour.warning                  		11/16/90
     Message about alleged attacks on telephone systems.  No evidence
     that rumors were substantiated.

CA-90:11.Security.Probes                        		12/10/90
     Many sites on the Internet received messages on Sunday, December 9.  The
     messages stated that a group of researchers and students were testing
     for a "common bug" in network hosts.

CA-90:12.SunOS.TIOCCONS.vulnerability           		12/21/90
     This Advisory was a rebroadcast of a Sun Microsystems, Inc. Security
     Bulletin announcing the availability of a patch that corrects a problem
     with TIOCCONS. Problem Description: TIOCCONS can be used to re-direct
     console output/input away from "console"

CA-91:01a.SunOS.mail.vulnerability              		02/22/91
     ** Superseded by CA-95:02. **

CA-91:02a.SunOS.telnetd.vulnerability           		03/26/91
     This advisory announces a security problem with the in.telnetd program
     in releases of SunOS 4.1 and 4.1.1.

CA-91:03.unauthorized.password.change.request   		04/04/91
     This advisory addresses recent bogus email messages which have been
     distributed on the Internet.  The messages request that the user
     change his/her password, and appear to come from the system admin.

CA-91:04.social.engineering                     		04/18/91
     This advisory is an addition to CA-91:03.  It addresses more bogus
     Internet email scams and urges system administrators to warn their
     users.

CA-91:05.Ultrix.chroot.vulnerability            		05/01/91
     Corrects improper installation of /usr/bin/chroot for Ultrix
     versions 4.0 and 4.1.

CA-91:06.NeXTstep.vulnerability                 		05/14/91
     Addresses three vulnerabilities in NeXT systems running various
     versions of NeXTstep.  Affected are: rexd(8C), /private/etc,
     username "me".

CA-91:07.SunOS.source.tape.vulnerability        		05/20/91
     Fixes a security vulnerability on SunOS (4.0.3, 4.1, and 4.1.1)
     systems which have installed the Sun Source tapes.

CA-91:08.systemV.login.vulnerability            		05/23/91
     Addresses a vulnerability in all System V Release 4 versions of
     /bin/login.  Patch provided by AT&T.

CA-91:09.SunOS.rpc.mountd.vulnerability         		07/15/91
     ** Superseded by CA-94:02. **

CA-91:10a.SunOS.lpd.vulnerability               		09/12/91
     Vulnerability in SunOS 4.0.3, 4.1, and 4.1.1 /usr/lib/lpd.
     Patched versions are available.  Version 10a of this advisory
     supersedes all prior versions.

CA-91:11.Ultrix.LAT-Telnet.gateway.vulnerability 08/14/91
     Vulnerability in Ultrix LAT/Telnet gateway software on
     all Ultrix 4.1 and 4.2 systems.  Patch available directly from
     DEC.

CA-91:12.Trusted.Hosts.Configuration.vulnerability 		08/22/91
     Vulnerability in MANY Unix systems regarding the use of
     a minus sign ("-") as the first character in any hosts.equiv
     hosts.lpd, and/or .rhosts files.  Workaround is to re-arrange
     the lines in these files such that the "-" is not the
     first character in the file.

CA-91:13.Ultrix.mail.vulnerability              		08/23/91
     ** Superseded by CA-95:02. **

CA-91:14.IRIX.mail.vulnerability                 		08/26/91
     Vulnerability regarding the handling of mail messages on
     all Silicon Graphics IRIX Systems prior to version 4.0.
     The problem is fixed in version 4.0.  Solution involves
     changing permissions and ownership of a system command.

CA-91:15.NCSA.Telnet.vulnerability               		09/10/91
     Vulnerability in PC and Mac telnet program by NCSA.  This
     advisory details a workaround.

CA-91:16.SunOS.SPARC.Integer_Division.vulnerability 09/18/91
     ** The patch cited in this advisory has been obsoleted by
        patches described in CA-92:15. **

CA-91:17.DECnet-Internet.Gateway.vulnerability   		09/26/91
     Vulnerability in Ultrix DECnet to Internet gateway software.
     This advisory details a workaround.  The vulnerability affects
     Ultrix versions 4.0, 4.1, and 4.2.

CA-91:18.Active.Internet.tftp.Attacks            		09/27/91
     Warning about automated tftp probes for /etc/passwd to Internet
     sites throughout the world.  Urges all sites to carefully check
     their system configurations concerning tftp usage. Indicates
     how sites can secure their tftp configurations.

CA-91:19.AIX.TFTP.Daemon.vulnerability           		10/17/91
     Vulnerability in the TFTP daemon in all versions of AIX for
     IBM RS/6000 machines.  Patch available from IBM for all AIX
     releases from "GOLD" to the current release.

CA-91:20.rdist.vulnerability                     		10/22/91
     ** Superseded by CA-96.14. **

CA-91:21.SunOS.NFS.Jumbo.and.fsirand             		12/06/91
     Vulnerabilities concerning Sun Microsystems, Inc. (Sun) Network
     File System (NFS) and the fsirand program.  These vulnerabilities
     affect SunOS versions 4.1.1, 4.1, and 4.0.3 on all architectures.
     Patches are available for SunOS 4.1.1.  An initial patch for SunOS
     4.1 NFS is also available. Sun will be providing complete patches
     for SunOS 4.1 and SunOS 4.0.3 at a later date.

CA-91:22.SunOS.OpenWindows.vulnerability         		12/16/91
     ** Superseded by CA-93:18. **

CA-91:23.Apollo.crp.vulnerability                		12/18/91
     A vulnerability is present in the crp system in Hewlett Packard/Apollo
     Domain/OS in all SR10 versions.  A workaround is available and
     patches for SR10.3 and SR10.4 will be available from Apollo
     at a future date.

CA-92:01.NeXTstep.configuration.vulnerability    		01/20/92
     A vulnerability is present in the default configuration in
     release 2 of NeXTstep's NetInfo.  The advisory indicates where
     a description of how to configure NetInfo correctly can be obtained.

CA-92:02.Michelangelo.PC.virus.warning           		02/06/92
     This advisory warns users of a PC virus called Michelangelo.
     The virus affects IBM PCs and compatibles, and has a trigger
     date of March 6 (any year).

CA-92:03.Internet.Intruder.Activity              		02/17/92
     Warning about a significant intrusion incident on the Internet.
     Urges all system administrators to check their systems for the
     signs of intrusion detailed in the advisory.

CA-92:04.ATT.rexecd.vulnerability                		02/25/92
     A vulnerability is present in AT&T TCP/IP Release 4.0 running
     on SVR4 systems for both the 386/486 and 3B2 RISC platforms.
     The problem is in the remote execution server /usr/etc/rexecd
     and a new version of rexecd is available from AT&T.

CA-92:05.AIX.REXD.Daemon.vulnerability           		03/05/92
     The rexd daemon may be enabled by default in versions 3.1 and 3.2
     of AIX for IBM RS/6000 machines.  The advisory describes a fix for
     the problem and details how to obtain a patch for the problem from
     IBM.

CA-92:06.AIX.uucp.vulnerability                  		03/19/92
     A vulnerability is present in the UUCP software in versions of
     AIX up to 2007.  The advisory describes how to disable UUCP and
     details how to obtain a patch for the problem from IBM.

CA-92:07.AIX.passwd.vulnerability                		03/31/92
     A vulnerability is present in the passwd command in AIX 3.2 and
     the 2007 update of AIX 3.1. The advisory describes how to disable
     the /bin/passwd until you obtain and install the patch for the
     problem from IBM.

CA-92:08.SGI.lp.vulnerability                    		04/10/92
     A vulnerability is present in the default configuration of the lp
     software in Silicon Graphics Computer Systems (SGI) IRIX operating
     systems.  This vulnerability is present in all versions of IRIX,
     prior to IRIX 4.0.5.  The advisory describes how to reconfigure the
     lp software in order to eliminate this vulnerability.

CA-92:09.AIX.anonymous.ftp.vulnerability         		04/27/92
     A vulnerability is present in the anonymous FTP configuration in all
     versions of AIX.  The advisory describes how to obtain a patch for
     the problem from IBM.

CA-92:10:AIX.crontab.vulnerability               		05/26/92
     A vulnerability is present in crontab(1) in version 3.2 of AIX.
     This advisory describes how to implement a workaround for the
     problem until you obtain the patch for the problem from IBM.

CA-92:11:SunOS.Environment.vulnerability         		05/27/92
     A vulnerability involving environment variables and setuid/setgid
     programs exists on all Sun architectures running SunOS 4.0 and
     higher. The advisory details how to obtain patches for SunOS
     programs which are known to be impacted by the vulnerability.
     The advisory contains a workaround to protect vulnerable binaries
     for which patches are unavailable for your SunOS version, or for
     local or third party software which may be vulnerable.

CA-92:12.REVISED.SunOS.rpc.mountd.vulnerability  		05/28/92
     ** Superseded by CA-94:02. **

CA-92:13.SunOS.NIS.vulnerability                 		06/04/92
     Vulnerabilities are present in NIS under SunOS 4.1, 4.1.1, and
     4.1.2, and may or may not exist in earlier versions of NIS.  The
     advisory describes how to obtain a patch for SunOS 4.1, 4.1.1, and
     4.1.2 for the problem from Sun.

CA-92:14.Altered.System.Binaries.Incident        		06/22/92
     Warning about a significant intrusion incident on the Internet.
     Urges all system administrators to check their systems for the
     signs of intrusion detailed in the advisory.

CA-92:15.Multiple.SunOS.vulnerabilities.patched  		07/21/92
     ** This advisory supersedes CA-91:16. **
     The advisory describes how to obtain various patches for SunOS 4.1,
     4.1.1, and 4.1.2 for all Sun architectures.  As the application of
     these patches involves rebuilding your system kernel, it is
     recommended that you apply all patches simultaneously.

CA-92:16.VMS.Monitor.vulnerability               		09/22/92
     ** Superseded by CA-92:18. **

CA-92:17.HP.NIS.ypbind.vulnerability             		10/05/92
     ** Superseded by CA-93:01. **

CA-92:18.VMS.Monitor.vulnerability.update        		11/17/92
     ** This advisory supersedes CA-92:16. **
     It provides additional information concerning availability of remedial
     image kits to correct a vulnerability present in the Monitor utility in
     VMS V5.0 through V5.4-2. The vulnerability has been corrected in V5.4-3
     through V5.5-1.

CA-92:19.Keystroke.Logging.Banner.Notice         		12/07/92
     This advisory provides information from the United States Department of
     Justice, General Litigation and Legal Advice Section, Criminal Division,
     regarding keystroke monitoring by computer systems administrators, as a
     method of protecting computer systems from unauthorized access. The CERT
     staff strongly suggests adding a notice banner such as the one included
     in the advisory to all systems.  Sites not covered by U.S. law should
     consult their legal counsel.

CA-92:20.Cisco.Access.List.vulnerability         		12/10/92
     This advisory provides information concerning a vulnerability in Cisco
     router access lists when the "established" keyword is used.
     This vulnerability is present in Cisco software releases 8.2, 8.3, 9.0
     and 9.1.  The advisory describes workarounds and provides information on
     how to obtain a patch for the problem from Cisco.

CA-92:21.ConvexOS.vulnerabilities                		12/16/92
     This advisory provides information concerning several vulnerabilities in
     ConvexOS/Secure, CONVEX CXbatch, CONVEX Storage Manager (CSM), and
     ConvexOS EMACS. These vulnerabilities can affect ConvexOS versions
     V6.2 - V10.2 and ConvexOS/Secure versions V9.5 and V10.0 on all supported
     architectures.  The advisory describes a workaround for one of the
     vulnerabilities and provides information on how to obtain a patches for
     the other problems from CONVEX Computer Corporation.

CA-93:01.REVISED.HP.NIS.ypbind.vulnerability    		01/13/93
     ** This advisory supersedes CA-92:17. **
     A vulnerability is present in Hewlett-Packard's HP/UX Operating
     System for series 300, 700, and 800 computers, which allows
     remote NIS servers unauthorized access to local NIS hosts.
     Patches from HP are available for all of the HP/UX level 8 releases
     (8.0, 8.02, 8.06, and 8.07).  The problem is fixed in HP/UX 9.0.


CA-93:02a.NeXT.NetInfo._writers.vulnerabilities  		01/21/93
     This advisory provides information concerning vulnerabilities in the
     distributed printing facility ("_writers" properties) of NeXT
     computers running all releases of NeXTSTEP software through NeXTSTEP
     Release 3.0.  The advisory details the availability of a patch for the
     problems and provides suggested workarounds.

CA-93:03.SunOS.Permissions.vulnerability         		02/03/93
     This advisory describes a patch that is available to correct
     the ownerships and permissions for a number of system files in
     SunOS 4.1, 4.1.1, 4.1.2, and 4.1.3.  These have been fixed in
     SunOS 5.0.  CERT staff has seen an increasing number of attackers
     exploit these problems on systems and we encourage sites to
     consider installing this patch.

CA-93:04a.Amiga.finger.vulnerability             		02/18/93
     A vulnerability is present in the "finger" program of Commodore
     Business Machine's Amiga UNIX product and affects Commodore
     Amiga UNIX versions 1.1, 2.03, 2.1, 2.1p1, 2.1p2, and 2.1p2a.
     This advisory details the availability of a patch for the problem
     and provides a suggested workaround.

CA-93:05.OpenVMS.AXP.vulnerability              		02/24/93
     A vulnerability is present with Digital Equipment Corporation's
     OpenVMS and OpenVMS AXP. This vulnerability is present in OpenVMS
     V5.0 through V5.5-2 and OpenVMS AXP V1.0 but has been corrected
     in OpenVMS V6.0 and OpenVMS AXP V1.5. This advisory provides
     details from Digital on the severity of the vulnerability and
     patch availability for the problem.

CA-93:06.wuarchive.ftpd.vulnerability           		04/09/93
     A vulnerability is present in versions of wuarchive ftpd available
     before April 8, 1993.  This vulnerability is present in wuarchive ftpd
     versions which were available from wuarchive.wustl.edu and many other
     anonymous FTP sites. This advisory provides details on the severity
     of the vulnerability and (1) the availability of a new version of
     wuarchive ftpd and (2) availability of a patch for the problem.

CA-93:07.Cisco.Router.Packet.Handling.Vulnerability     	04/22/93
     A vulnerability exists in Cisco routers such that a router which
     is configured to suppress source routed packets with the following
     command: "no ip source-route" may allow traffic which should be
     suppressed.  This vulnerability applies to all models of Cisco routers,
     and occurs with the following releases of software: 8.2, 8.3, 9.0,
     9.1, and 9.17.  This advisory details information about releases
     available to correct this problem.

CA-93:08.SCO.passwd.Vulnerability                   		05/24/93
     A vulnerability exists in several releases of SCO's Operating Systems.
     This vulnerability has the potential to deny legitimate users the
     ability to log onto the system. This advisory details information
     about releases available to correct this problem.

CA-93:09.SunOS.expreserve.vulnerability             		06/11/9
     ** Superseded by CA-96.19. **

CA-93:09a.SunOS.expreserve.vulnerability            		07/01/93
     ** Superseded by CA-96.19. **

CA-93:10.anonymous.FTP.activity                     		07/14/93
     This advisory provides an updated version of the anonymous FTP
     configuration guidelines that is available from the CERT
     Coordination Center.

CA-93:11.UMN.UNIX.gopher.vulnerability              		08/09/93
     Vulnerabilities exist in versions of the UMN UNIX gopher and gopher+
     server and client available before August 6, 1993. These vulnerabilities
     are present in UMN UNIX gopher and gopher+ versions which were available
     from boombox.micro.umn.edu and many other anonymous FTP sites. This
     advisory provides details on the severity of the vulnerabilities and
     the availability of new versions of UMN UNIX gopher and gopher+.

CA-93:12.Novell.LOGIN.EXE.vulnerability             		09/16/93
     A vulnerability exists in Novell's NetWare 4.x login program (LOGIN.EXE).
     This advisory provides details on the availability of a security-enhance
     version of the Novell Netware 4.x login program.

CA-93:13.SCO.Home.Directory.Vulnerability           		09/17/93
     A vulnerability relating to the "dos" and "asg" accounts exists in
     numerous SCO Operating Systems releases. This advisory provides
     instructions for repairing the vulnerability.

CA-93:14.Internet.Security.Scanner                  		09/30/93
     This advisory alerts Internet sites to a new software tool that
     is widely available. The advisory describes vulnerabilities
     probed by the Internet Security Scanner (ISS) software.

CA-93:15.SunOS.and.Solaris.vulnerabilities                    	10/21/93
     This advisory describes several vulnerabilities in Sun operating
     systems: /usr/lib/sendmail (SunOS 4.1.x, Solaris 2.x), /bin/tar
     (Solaris 2.x), and dev/audio (SunOS 4.1.x, Solaris 2.x). The
     advisory includes patch and workaround information for these
     problems.
     * The sendmail portion of this advisory is superseded by CA-96.20,
       CA-96.24, and CA-96.25. *

CA-93:16.sendmail.vulnerability                                 11/04/93
     ** Superseded by CA-96.20, CA-96.24, and CA-96.25. **

CA-93:16a.sendmail.vulnerability.supplement                     01/07/94
     ** Superseded by CA-96.20, CA-96.24, and CA-96.25. **

CA-93:17.xterm.logging.vulnerability                            11/11/93
     This advisory addresses a vulnerability in the logging function of
     many versions of xterm. It provides information about several
     solutions.

CA-93:18.SunOS.Solbourne.loadmodule.modload.vulnerability       12/15/93
     ** This advisory supersedes CA-91:22. **
     The advisory addresses a vulnerability in /usr/etc/modload
     and $OPENWINHOME/bin/loadmodule in in Sun Microsystems, Inc.
     SunOS 4.1.1, 4.1.2, 4.1.3, and 4.1.3c and OpenWindows 3.0
     on all sun4 and Solbourne Computer, Inc. architectures.

CA-93:19.Solaris.Startup.vulnerability                          12/16/93
     Information about a vulnerability in the system startup
     scripts on Solaris 2.x and Solaris x86 systems.

CA-94:01.ongoing.network.monitoring.attacks                     02/03/94
     This advisory describes ongoing network monitoring attacks. All
     systems that offer remote access through rlogin, telnet, and ftp
     are at risk.  The advisory includes a description of the activity and
     suggested approaches for addressing the problem.

CA-94:02.Revised.Patch.for.SunOS.mountd.vulnerability           02/14/94
     ** This advisory supersedes CA-91:09 and CA-92:12.**
     A vulnerability is present in SunOS 4.1, 4.1.1, 4.1.2, and 4.1.3
     /usr/etc/rpc.mountd.  Unauthorized remote hosts will be able to mount
     the file system.  The advisory describes how to obtain a patch for
     the problem from Sun.

CA-94:03.AIX.performance.tools                                  02/24/94
     Vulnerabilities are present in the bosext1.extcmds.obj
     performance tools in AIX 3.2.5 and in those AIX 3.2.4 systems
     with Program Temporary Fixes (PTFs) U420020 or U422510 installed.
     These problems do not exist in earlier versions of AIX.

CA-94:04.SunOS.rdist.vulnerability                              03/17/94
     ** Superseded by CA-96.14. **

CA-94:05.MD5.checksums                                          03/18/94
     This advisory gives the MD5 checksums for a number of SunOS
     files, along with a tool for checking them.

CA-94:06.utmp.vulnerability                                     03/21/94
     This advisory addresses a vulnerability with /etc/utmp ins
     SunOS 4.1.X and Solaris 1.1.1 operating systems. Solbourne
     Computer, Inc. and other Sparc products using SunOS 4.1.X or
     Solaris 1.1.1 are also affected. Solaris 2.x is not affected
     by this problem.

CA-94:07.wuarchive.ftpd.trojan.horse                            04/06/94
     Warning about intruder-modified source for wuarchive ftpd,
     which introduced a Trojan horse in versions 2.2, 2.1f, and
     possibly earlier versions.  Recommended solution is to
     upgrade to version 2.3.

CA-94:08.ftpd.vulnerabilities                                   04/14/94
     This advisory addresses two vulnerabilities with some releases of
     fptd and announces new versions and patches to correct these
     problems.  ftpd versions affected are wuarchive ftpd 2.0-2.3,
     DECWRL ftpd versions prior to 5.93, and BSDI ftpd version 1.1
     prior to patch level 5.  The vulnerabilities addressed are the
     SITE EXEC and race condition vulnerabilities.

CA-94:09.bin.login.vulnerability                                05/23/94
     This advisory addresses a vulnerability in /bin/login of all
     IBM AIX 3 systems, and Linux systems.  A workaround and patch
     information are included in this advisory.

CA-94:10.IBM.AIX.bsh.vulnerability                              06/3/94
     This advisory addresses a vulnerability in the batch queue (bsh)
     of IBM AIX systems running versions prior to and including AIX
     3.2.  CERT staff recommends a workaround to disable the bsh feature.
     IBM provides a patch for systems requiring this functionality.

CA-94:11.majordomo.vulnerabilities                              06/9/94
     This advisory addresses two vulnerabilities in Majordomo
     versions prior to 1.92. CERT staff recommends installing version
     1.92, but provides workarounds if this is not possible.

CA-94:12.sendmail.vulnerabilities                               07/14/94
     ** Superseded by CA-96.20, CA-96.24, and CA-96.25. **

CA-94:13.SGI.IRIX.Help.Vulnerability                            08/11/94
     This advisory addresses a vulnerability in the Silicon Graphics, Inc.
     IRIX 5.x Help system.  SGI recommends installing the patch, but has
     provided a workaround to disable the Help system if this is not
     possible.

CA-94:14.trojan.horse.in.IRC.client.for.UNIX                    10/19/94
     This advisory discusses a Trojan horse that was found in version 2.2.9
     or ircII, the source code for the Internet Relay Chat (IRC) client for
     UNIX systems. For reasons described in the advisory, the CERT staff
     urges everyone to install ircII version 2.6.

CA-94:15.NFS.Vulnerabilities                                    12/19/94
     This advisory describes security measures to guard against several
     vulnerabilities in the Network File System (NFS). The advisory was
     prompted by an increase in root compromises by intruders using tools
     to exploit the vulnerabilities.

CA-95:01.IP.spoofing.attacks.and.hijacked.terminal.connections  1/23/95
      The IP spoofing portion of this advisory has been
      superseded by CA-96.21. The description of the intruder
      activity of hijacking terminals is still current.

CA-95:02.binmail.vulnerabilities                                1/26/95
     ** This advisory supersedes CA-91:01a and CA-91:13. **
     It addresses vulnerabilities in some versions of /bin/mail
     based on BSD 4.3 UNIX. It includes a list of vendor patches
     and source code for mail.local.c, an alternative to /bin/mail.

CA-95:03.telnet.encryption.vulnerability                        2/16/95
     ** Superseded by CA-95:03a. **

CA-95:03a.telnet.encryption.vulnerability                       3/3/95
     ** This advisory supersedes CA-95:03. **
     Description and patch information for a security problem in the
     Berkeley Telnet clients that support encryption and Kerberos V4
     authentication. It provides additional information.

CA-95:04.NCSA.http.daemon.for.unix.vulnerability                2/17/95
     This advisory provides a patch for a vulnerability in the NCSA
     HTTP daemon version 1.3 for UNIX.

CA-95:05.sendmail.vulnerabilities                               2/22/95
     ** Superseded by CA-96.20, CA-96.24, and CA-96.25. **

CA-95:06.satan                                                  4/3/95
     An overview of the Security Administrator Tool for Analyzing Networks
     (SATAN) based on the CERT staff's review of beta version 0.51.
     Includes list of vulnerabilities probed and advice on securing
     systems.

CA-95:07.vulnerability.in.satan.                                4/10/95
     ** Superseded by CA-95:07a. **

CA-95:07a.REVISED.satan.vul                                     4/21/95
     ** This advisory replaces CA-95:07.**
     It is a revision that provides new information the problem described
     in CA-95:07, and includes precautions to take when running SATAN.
     A tutorial by the SATAN authors, "SATAN Password Disclosure" is
     appended to the advisory.

CA-95:08.sendmail.v.5.vulnerability                             8/17/95
     This advisory describes a vulnerability in sendmail v.5, which is
     still in use and which includes IDA sendmail. Many vendors have
     previously fixed the problem, others recently developed patches.

CA-95:09.Solaris.ps.vul                                         8/29/95
     This advisory describes a vulnerability in Solaris that can be
     exploited if the permissions on the /tmp and /var/tmp directories
     are set incorrectly.

CA-95:10.ghostscript                                            8/31/95
     This advisory describes a vulnerability involving the -dSAFER option
     in ghostscript versions 2.6 through 3.22 beta. The advisory includes
     instructions for fixing the problem and pointers to version 3.33 of
     ghostscript.

CA-95:11.sun.sendmail-oR.vul                                    9/19/95
     ** Superseded by CA-96.20, CA-96.24, and CA-96.25. **

CA-95:12.sun.loadmodule.vul                                     10/18/95
     The advisory describes a problem with the loadmodule(8) program
     in Sun OS 4.1.X and provides patch information.

CA-95:13.syslog.vul                                             10/19/95
     This advisory describes a general problem with syslog, lists
     vendor information about patches, and provides a workaround
     for solving the syslog problem in sendmail in particular.

CA-95:14.Telnetd_Environment_Vulnerability                      11/1/95
     This advisory describes a vulnerability with some telnet daemons and
     includes patch information from vendors, along with a workaround.

CA-95:15.SGI.lp.vul                                             11/8/95
     This advisory points out accounts that are distributed without
     passwords and urges SGI customers to create passwords for those
     accounts.

CA-95:16.wu-ftpd.vul                                            11/30/95
     This advisory describes a vulnerability in the wu-fptd SITE EXEC
     command and provides solutions for both Linux users and others.

CA-95:17.rpc.ypupdated.vul                                      12/12/95
     This advisory describes a vulnerability in the rpc.ypupdated program,
     for which an exploitation program has been posted to several
     newsgroups. The advisory includes vendor information and a
     workaround.

CA-95:18.widespread.attacks                                     12/18/95
     This advisory warns readers of attacks on hundreds of Internet
     sites in which intruders exploit known vulnerabilities, all of
     which have been addressed in previous CERT advisories. These
     advisories are listed.

CA-96.01.UDP_service_denial                                     02/08/96
     This advisory describes UDP port denial-of-service attacks,
     for which an exploitation script has been publicly posted. The
     advisory includes a workaround.

CA-96.02.bind                                                   02/15/96
     This advisory provides information about version 4.9.3 of BIND
     and the vulnerabilities it addresses. The advisory appendix
     contains information from vendors.

CA-96.03.kerberos_4_key_server                                  02/21/96
     This advisory describes a problem with the Kerberos 4 key server,
     points to patches, and provides vendor information.

CA-96.04.corrupt_info_from_servers                              02/22/96
     This advisory describes a vulnerability in network servers that
     can lead to corrupt information. The advisory includes information
     on subroutines for validating host names and IP addresses, patches
     for sendmail, and the status of vendor activity relating to the
     problem.

CA-96.05.java_applet_security_mgr                               03/05/96
     This advisory describes a vulnerability in the Netscape Navigator 2.0
     Java implementation and in Release 1.0 of the Java Developer's Kit
     from Sun Microsystems, Inc. Workarounds and pointers to a patch are
     included.

CA-96.06.cgi_example_code                                       03/20/96
     This advisory describes a problem with example CGI code, as found in
     the NCSA 1.5a-export and APACHE 1.0.3 httpd, and possibly previous
     distributions of both servers. Workarounds are provided.

CA-96.07.java_bytecode_verifier                                 03/29/96
     This advisory describes a vulnerability in the Java bytecode verifier
     portion of Sun Microsystems' Java Development Kit (JDK) 1.0 and
     1.0.1. Workarounds are provided for this product and Netscape
     Navigator 2.0 and 2.01, which have the JDK built in.

CA-96.08.pcnfsd                                                 04/18/96
     This advisory describes a vulnerability in the pcnfsd program (also
     known as rpc.pcnfsd). A patch is included.

CA-96.09.rpc.statd                                              04/24/96
     This advisory describes a vulnerability in the rpc.statd (or statd)
     program that allows authorized users to remove or create any file
     that a root user can.  Vendor information is included.

CA-96.10.nis+_configuration                                     05/28/96
     This advisory was originally released as AUSCERT advisory CA-96.02a.
     It describes a vulnerability and workarounds for versions of NIS+ in
     which the access rights on the NIS+ passwd table are left in an
     unsecure state.

CA-96.11.interpreters_in_cgi_bin_dir                            05/29/96
     This advisory warns users not to put interpreters in a Web server's
     CGI bin directory and to evaluate all programs in that directory.

CA-96.12.suidperl_vul                                           06/26/96
     This advisory describes a vulnerability in systems that contain
     the suidperl program and that support saved set-user-ID and
     saved set-group-ID. Patch information is included.

CA-96.13.dip_vul                                                07/09/96
     This advisory describes a vulnerability in the dip program, which is
     shipped with most Linux systems. Other UNIX systems may also use it.
     Pointers to dip 3.3.7o are included.

CA-96.14.rdist_vul                                              07/24/96
     ** This advisory supersedes CA-91:20 and CA-94:04. **
     It describes a vulnerability in the lookup subroutine of rdist, for
     which an exploitation script is available. Vendor information and
     a pointer to a new version of rdist are included.

CA-96.15.Solaris_KCMS_vul                                       07/31/96
     This advisory describes a vulnerability in the Solaris 2.5 kcms
     programs and suggests a workaround.

CA-96.16.Solaris_admintool_vul                                  08/05/96
     This advisory describes a vulnerability in the Solaris admintool and
     gives a workaround.

CA-96.17.Solaris_vold_vul                                       08/06/96
     This advisory describes a vulnerability in the Solaris volume
     management daemon (vold) and gives a workaround.

CA-96.18.fm_fls                                                 08/14/96
     This advisory reports a configuration problem in the
     floating license server for Adobe FrameMaker (fm_fls).
     A workaround is provided.

CA-96.19.expreserve                                             08/15/96
     ** This advisory supersedes CA-93:09 and CA-93:09a. **
     It provides information about a vulnerability in the expreserve
     utility. A workaround and vendor information are included.

CA-96.20.sendmail_vul                                           09/18/96
     This advisory describes a vulnerability in all versions of sendmail prior
     to 8.7.6, and includes a workaround and patch information.

CA-96.21.tcp_syn_flooding                                        09/19/96
     ** This advisory supersedes the IP spoofing portion of CA-95:01. **
     It describes denial-of-service attacks through TCP SYN flooding and
     IP spoofing. Advice about filtering is included.

CA-96.22.bash_vuls                                                10/08/96
     This advisory addresses two problems with the GNU Project's
     Bourne Again SHell (bash): one in yy_string_get() and one in
     yy_readline_get().

CA-96.23.workman_vul                                              10/28/96
     This advisory describes a vulnerability in the WorkMan compact
     disc-playing program that affects UNIX System V Release 4.0 and
     derivatives and Linux systems.

CA-96.24.sendmail.daemon.mode                                     11/21/96
     It describes a security problem relating to the daemon mode in
     sendmail 8.7 through 8.8.2. The advisory also includes a note about
     two vulnerabilities in versions 8.8.0 and 8.8.1; these have been
     fixed as well.

CA-96.25.sendmail_groups					  12/10/96
     The advisory describes a security problem affecting sendmail
     version 8 relating to group-writable files.  Vendor patches and
     a workaround are included.

CA-96.26.ping                                                     12/18/96
      This advisory describes a denial-of-service attack using large ICMP
      datagrams issued via the ping command. Vendor information is included.

CA-96.27.hp_sw_install						  12/19/96
      This advisory describes a vulnerability in Hewlett-Packard SD-UX that
      may allow local users to gain root privileges. A workaround is included.

CA-97.01.flex_lm						  01/06/97
      This advisory describes multi-platform UNIX FLEXlm
      vulnerabilities. These problems may allow local users to create
      arbitrary files on the system and execute arbitrary programs using the
      privileges of the user running the FLEXlm daemons.

CA-97.02.hp_newgrp						  01/07/97
      This advisory describes a vulnerability in the newgrp(1) program under
      HP-UX 9.x and 10.x that may allow users to gain root privileges. A
      workaround is provided.

CA-97.03.csetup							  01/08/97
      A vulnerability in the csetup program under IRIX versions 5.x, 6.0,
      6.0.1, 6.1, and 6.2 allows local users to create or overwrite arbitrary
      files on the system and ultimately gain root privileges. A workaround
      is provided.

CA-97.04.talkd                                                    01/27/97
      A vulnerability in talkd(8) program used by talk(1) makes it
      possible to provide corrupt DNS information to a host and
      to remotely execute arbitrary commands with root privileges.
      The advisory includes information on how to solve the general
      problem as well as the specific one.

CA-97.05.sendmail                                                  01/28/97
      This advisory addresses a MIME conversion buffer overflow in
      sendmail versions 8.8.3 and 8.8.4. The advisory includes vendor
      information, pointers to the latest version of sendmail, a workaround,
      and general precautions to take when using sendmail.

CA-97.06.rlogin-term                                               02/06/97
      This advisory reports a vulnerability in many implementations of the
      rlogin program, including eklogin and klogin. Vendor information and a
      workaround are included.


OTHER FILES in ftp://info.cert.org/pub/cert_advisories

01-README
     This file.

cert-article
     An article about CERT from the March 1990 issue of Bridge, a
     magazine published by the Software Engineering Institute (SEI).

cert.press.release.dec88
     The DARPA press release issued on December 6, 1988 announcing the
     formation of the original team, which evolved into the CERT Coordination
     Center.

xterm-patch-status
     A status file containing vendor information relating to the
     xterm vulnerability described in the CA-93:17.xterm.logging.vulnerability
     advisory.


For more information on the CERT(sm) Coordination Center and on computer and
information security, see
        ftp://info.cert.org/pub/
        http://www.cert.org



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