SOL16938 - OpenSSL vulnerability CVE-2015-1788

**The Client Authentication setting of “ignore” does not expose the vulnerability.

*** BIG-IP Edge Client-initiated connections are vulnerable only when connecting to a malicious server that is representing itself as a BIG-IP APM system.

iOS devices using the BIG-IP Edge Client 2.0.5 or 2.0.6 are vulnerable in the described scenario.
Android devices using any version of the BIG-IP Edge Client are vulnerable in the described scenario.
Windows phone devices using the BIG-IP Edge Client are not vulnerable, as OpenSSL is not used.

Vulnerability Recommended Actions

If the previous table lists a version in the Versions known to be not vulnerable column, you can eliminate this vulnerability by upgrading to the listed version. If the listed version is older than the version you are currently running, or if the table does not list any version in the column, then no upgrade candidate currently exists.

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

To mitigate this vulnerability for the BIG-IP system, you should be aware of the following:

• To mitigate this vulnerability, you should permit management access to F5 products only over a secure network and restrict command line access for affected systems to the trusted users. For more information, refer to SOL13309: Restricting access to the Configuration utility by source IP address (11.x - 12.x) and SOL13092: Overview of securing access to the BIG-IP system.
• Do not configure Apache to support client authentication on 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
• 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)
• SOL9502: BIG-IP hotfix matrix