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Ubuntu 2155-1 Moderate: OpenSSH Wildcard Handling Issue

OpenSSH incorrectly handled environment restrictions with wildcards.. =========================================================================Ubuntu Security Notice USN-2155-1 March 25, 2014 openssh vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 13.10 - Ubuntu 12.10 - Ubuntu 12.04 LTS - Ubuntu 10.04 LTS Summary: OpenSSH incorrectly handled environment restrictions with wildcards. Software Description: - 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 LTS: openssh-server 1:5.9p1-5ubuntu1.2 Ubuntu 10.04 LTS: openssh-server 1:5.3p1-3ubuntu7.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-2155-1 CVE-2014-2532 Package Information: https://launchpad.net/ubuntu/+source/openssh/1:6.2p2-6ubuntu0.2 https://launchpad.net/ubuntu/+source/openssh/1:6.0p1-3ubuntu1.1 https://launchpad.net/ubuntu/+source/openssh/1:5.9p1-5ubuntu1.2 https://launchpad.net/ubuntu/+source/openssh/1:5.3p1-3ubuntu7.1 . In relation to the OpenSSH vulnerability identified in Ubuntu releases, a remote threat actor could circumvent environment limitations through the use of wildcard characters.. OpenSSH Issue, Ubuntu Security, Environmental Security Threats. . LinuxSecurity.com Team

Mar 25, 2014 Ubuntu