BIG-IP SIP Profile on MR VServer: TMM Crash in 13/14/15/16 before 16.1.3.3
CVE-2023-22340 Published on February 1, 2023
BIG-IP SIP profile vulnerability
On BIG-IP versions 16.1.x before 16.1.3.3, 15.1.x before 15.1.8, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when a SIP profile is configured on a Message Routing type virtual server, undisclosed traffic can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerability Analysis
CVE-2023-22340 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.
Products Associated with CVE-2023-22340
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Affected Versions
F5 BIG-IP:- Version 17.0.0 and below * is unaffected.
- Version 16.1.0 and below 16.1.3.3 is affected.
- Version 15.1.0 and below 15.1.8 is affected.
- Version 14.1.0 and below 14.1.5.3 is affected.
- Version 13.1.0 and below * is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.