## CD "dot dot" Vulnerability

### Risk Factor: 8

### Machines Affected:

Some very OLD implementations of NFS

### Description:

A user can mount a drive, and then change directories by typing cd .. and the directories are no longer restricted

### Consequences:

Remote user can access files that s/he normally should not be able to access

### Fix:

Upgrade to your vendors latest version of NFS

Links for advisories/more info