QID 377991

Date Published: 2023-02-27

QID 377991: F5 BIG-IP Application Security Manager (ASM), Advanced Web Application Firewall (Advanced WAF), and NGINX App Protect Encoded Directory Traversal Security Exposure (K70134152)

The BIG-IP ASM, F5 Advanced Web Application Firewall (Advanced WAF), and NGINX App Protect systems may fail to detect encoded directory traversal in the URL when the affected security policy is enabled with an evasion technique detected violation

Vulnerable Component:
BIG-IP ASM,WAF

Affected Versions:
16.1.0
15.1.0 - 15.1.3
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.

An attacker is able to bypass BIG-IP ASM, Advanced WAF, and NGINX App Protect system detection when performing a URL-encoded directory traversal attack.

CVSS V3 rated as Medium - 5.3 severity.

CVSS V2 rated as High - 6.8 severity.

Solution

For more information about patch details please refer to K81926432

Vendor References

K70134152 - support.f5.com/csp/article/K70134152

CVEs related to QID 377991

Software Advisories

Advisory ID	Software	Component	Link
K70134152			support.f5.com/csp/article/K70134152

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