Ubuntu Security Notice USN-719-1
12th February, 2009
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 8.10
- Ubuntu 8.04 LTS
It was discovered that pam_krb5 parsed environment variables when run with
setuid applications. A local attacker could exploit this flaw to bypass
authentication checks and gain root privileges. (CVE-2009-0360)
Derek Chan discovered that pam_krb5 incorrectly handled refreshing existing
credentials when used with setuid applications. A local attacker could exploit
this to create or overwrite arbitrary files, and possibly gain root privileges.
The problem can be corrected by updating your system to the following package version:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the