QID 376466

Date Published: 2022-03-14

QID 376466: F5 BIG-IP Application Security Manager (ASM) Attack Signature Bypass Vulnerability (K41503304)

The F5 Advanced Web Application Firewall (Advanced WAF), BIG-IP ASM, and NGINX App Protect systems attack signature check may fail to match attack signature 200000128, as expected, for certain undisclosed requests.
This issue occurs when all of the following conditions are met:
Advanced WAF, BIG-IP ASM modules, or NGINX App Protect is configured.
Attack signature 200000128 is enabled on the policy.

Vulnerable Component: BIG-IP ASM

Affected Versions:
16.1.0
16.0.0 - 16.0.1
15.1.0 - 15.1.3
14.1.0 - 14.1.4
13.1.0 - 13.1.4>BR> 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.

The attack signature 200000128 check fails to detect and block such requests.

CVSS V3 rated as Critical - 8.1 severity.

CVSS V2 rated as Critical - 9.3 severity.

Solution

For more information about patch details please refer to K41503304

Vendor References

K41503304 - support.f5.com/csp/article/K41503304

CVEs related to QID 376466

Software Advisories

Advisory ID	Software	Component	Link
K41503304			support.f5.com/csp/article/K41503304

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