Vulnerability · Published Aug 4, 2022 · Assigned by f5

CVE-2022-34651BIG-IP TLS 1.3 iRule vulnerability CVE-2022-34651

High 7.5

In plain English

A high-severity null pointer dereference in BIG-IP from F5. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.8%top 43.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

In BIG-IP Versions 16.1.x before 16.1.3.1 and 15.1.x before 15.1.6.1, when an LTM Client or Server SSL profile with TLS 1.3 enabled is configured on a virtual server, along with an iRule that calls HTTP::respond, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products (as reported)

Vendor	Product	Versions
F5	BIG-IP	15.1.x – before 15.1.6.116.1.x – before 16.1.3.1

Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://support.f5.com/csp/article/K59197053 x_refsource_MISC