SOL93532943 - SSHD session.c vulnerability CVE-2016-3115

Vulnerability Recommended Actions

If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in theVersions known to be not vulnerable column. If the table lists only an older version than what you are currently running, or does not list a non-vulnerable version, then no upgrade candidate currently exists.

F5 responds to vulnerabilities in accordance with the Severity values published in the previous table. TheSeverity values and other security vulnerability parameters are defined in SOL4602: Overview of the F5 security vulnerability response policy.

To mitigate this vulnerability, you can ensure that the X11Forwarding option is absent, commented out, or set to “no” in the sshd_config configuration file. Additionally you may restrict remote access to thesshd TCP port 22 to trusted networks only.

Impact of action: Performing the suggested mitigations should not have a negative impact on your system.

Supplemental Information

• SOL9970: Subscribing to email notifications regarding F5 products
• SOL9957: Creating a custom RSS feed to view new and updated documents
• SOL4918: Overview of the F5 critical issue hotfix policy
• SOL167: Downloading software and firmware from F5
• SOL13123: Managing BIG-IP product hotfixes (11.x - 12.x)
• SOL10025: Managing BIG-IP product hotfixes (10.x)
• SOL9502: BIG-IP hotfix matrix
• SOL15106: Managing BIG-IQ product hotfixes
• SOL15113: BIG-IQ hotfix matrix