SOL06288381 - NTP vulnerabilities CVE-2015-7977 and CVE-2015-7978

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 the**Versions 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 mitigate this vulnerability for affected BIG-IP, BIG-IQ, and Enterprise Manager systems, ensure that there are no more than 500 ‘restrict’ directives in the /config/ntp.conf configuration file.

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
• 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
• SOL12766: ARX hotfix matrix