SOL30518307 - Java commons-collections library vulnerability CVE-2015-4852

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, perform either of the following suggestions:

Limiting local shell and tmui access to trusted administrative users only

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

For information about limiting administrative access, refer to SOL12029: Accessing the Traffic Management Shell.

Mitigating using an updated BIG-IP ASM attack signature

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

For customers who employ the BIG-IP ASM system in their security architecture, the ASM-SignatureFile_20151122_113350 attack signature file****(or later) is able to detect Java serialized objects that may be used in an attack. For information about BIG-IP ASM attack signatures, refer to SOL8217: Updating the BIG-IP ASM attack signatures.

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
• SOL17465: Determining if a Known Issue is resolved for a specific BIG-IP version
• SOL13123: Managing BIG-IP product hotfixes (11.x - 12.x)