QID 378093

Date Published: 2023-03-23

QID 378093: F5 BIG-IP Domain Name System (DNS), Local Traffic Manager (LTM) DNS Profile Vulnerability CVE-2023-22839 (K37708118)

When a DNS profile with the Rapid Response Mode setting enabled is configured on a virtual server with hardware SYN cookies enabled, undisclosed requests cause the Traffic Management Microkernel (TMM) to terminate. (CVE-2023-22839)

Vulnerable Component: BIG-IP DNS,LTM

Affected Versions:
17.0.0
16.1.0 - 16.1.3
15.1.0 - 15.1.8
14.1.0 - 14.1.5
13.1.0 - 13.1.5

QID Detection Logic(Authenticated):
This QID checks for the vulnerable versions of F5 BIG-IP devices using the tmsh command.

Traffic is disrupted while the TMM process restarts. This vulnerability allows a remote unauthenticated attacker to cause a denial-of-service (DoS) on the BIG-IP system. There is no control plane exposure; this is a data plane issue only.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as High - 7.1 severity.

Solution

Please refer to K37708118 for more information.

Vendor References

K37708118 - my.f5.com/manage/s/article/K37708118

CVEs related to QID 378093

CVE-2023-22839 |

Software Advisories

Advisory ID	Software	Component	Link
K37708118			my.f5.com/manage/s/article/K37708118

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