CVE-2016-9244 Information disclosure in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, PEM, PSM

High 7.5 Published 9 Feb 2017 Updated 6 Aug 2024

Remote attackers can leak SSL session IDs and uninitialized memory from F5 BIG-IP devices when Session Tickets are enabled.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2016-9244?

CVE-2016-9244 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 9 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A BIG-IP virtual server configured with a Client SSL profile that has the non-default Session Tickets option enabled may leak up to 31 bytes of uninitialized memory. A remote attacker may exploit this vulnerability to obtain Secure Sockets Layer (SSL) session IDs from other sessions. It is possible that other data from uninitialized memory may be returned as well.

Weakness: CWE-200

Which versions are affected by CVE-2016-9244?

It affects 10 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Global Traffic Manager and 4 more.

How do I fix CVE-2016-9244?

No fix has been published for CVE-2016-9244 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-9244 being exploited?

There is no known exploitation of CVE-2016-9244 in the wild and no public exploit code.

Public exploit code: 2 Exploit-DB entries and 2 proofs of concept on GitHub.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-5855-8rvh-x38f.