QID 376597

Date Published: 2022-05-16

QID 376597: F5 BIG-IP Application Security Manager (ASM), Local Traffic Manager (LTM), Access Policy Manager (APM) Denial of Service (DoS) Vulnerability (K23454411)

When a DNS listener is configured on a virtual server with DNS queueing (default), undisclosed requests can cause an increase in memory resource utilization. (CVE-2022-26372)

Affected Versions:
15.1.0
14.1.0 - 14.1.4
13.1.0 - 13.1.4
12.1.0 - 12.1.6
11.6.1 - 11.6.5

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

System performance can degrade until the Traffic Management Microkernel (TMM) process is either forced to restart or is manually restarted. This vulnerability allows a remote attacker to cause a degradation of service that can lead to 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 Medium - 4.3 severity.

Solution

For more information about patch details please refer to K23454411Workaround:
For mitigation and workaround info please refer to K23454411

Vendor References

K23454411 - support.f5.com/csp/article/K23454411

CVEs related to QID 376597

CVE-2022-26372 |

Software Advisories

Advisory ID	Software	Component	Link
K23454411			support.f5.com/csp/article/K23454411

By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].