USN-2155-1: OpenSSH vulnerability

Releases

• Ubuntu 13.10
• Ubuntu 12.10
• Ubuntu 12.04
• Ubuntu 10.04

Packages

• openssh - secure shell (SSH) for secure access to remote machines

Details

Jann Horn discovered that OpenSSH incorrectly handled wildcards in
AcceptEnv lines. A remote attacker could use this issue to possibly bypass
certain intended environment variable restrictions.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 13.10

• openssh-server - 1:6.2p2-6ubuntu0.2

Ubuntu 12.10

• openssh-server - 1:6.0p1-3ubuntu1.1

Ubuntu 12.04

• openssh-server - 1:5.9p1-5ubuntu1.2

Ubuntu 10.04

• openssh-server - 1:5.3p1-3ubuntu7.1

In general, a standard system update will make all the necessary changes.

References

• CVE-2014-2532