SOL31510510 - OpenSSH vulnerability CVE-2016-6515

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.

To determine the necessary upgrade path for your BIG-IQ system, you should understand the BIG-IQ product offering name changes. For more information, refer to SOL21232150: Considerations for upgrading BIG-IQ or F5 iWorkflow systems.

Mitigation

To mitigate this vulnerability for BIG-IP systems, you can limit the allowable IP address ranges for secure shell (SSH) access. To do so, refer to SOL5380: Specifying allowable IP ranges for SSH access.

Impact of action: Before performing this action, ensure that the IP address used to access the BIG-IP system from SSH is included in the allowable IP address range. If the IP address is not included in the allowable IP address range, you will lose access to the BIG-IP system.

Supplemental Information

• SOL9970: Subscribing to email notifications regarding F5 products
• SOL9957: Creating a custom RSS feed to view new and updated documents
• SOL4602: Overview of the F5 security vulnerability response policy
• SOL4918: Overview of the F5 critical issue hotfix policy
• SOL167: Downloading software and firmware from F5
• SOL13092: Overview of securing access to the BIG-IP system