QID 377799

Date Published: 2022-12-15

QID 377799: F5 BIG-IP Bind Vulnerability cve-2022-2795 (K11742512)

By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.CVE-2022-2795

Vulnerable Component: BIG-IP ASM,LTM,APM

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.

A flaw in resolver code can cause named to spend excessive amounts of time on processing large delegations. By flooding the target resolver with queries exploiting this flaw, an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5.4 severity.

Solution

For more information about patch details please refer to K11742512

Vendor References

K11742512 - support.f5.com/csp/article/K11742512

CVEs related to QID 377799

CVE-2022-2795 |

Software Advisories

Advisory ID	Software	Component	Link
K11742512			support.f5.com/csp/article/K11742512

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