QID 375774

Date Published: 2021-08-17

QID 375774: F5 BIG-IP Application Security Manager(ASM), Local Traffic Manager(LTM),Access Policy Manager(APM) Apache HTTPD Vulnerability (K23153696)

F5 BIG-IP ASM (Application Security Manager) is a flexible web application firewall that secures web applications in traditional, virtual, and private cloud environments.
F5 BIG-IP (LTM) Local Traffic Manager is the most popular module offered on F5 Networks BIG-IP platform. The real power of the LTM is it is a Full Proxy, allowing you to augment client and server side connections. All while making informed load balancing decisions on availability, performance, and persistence.
F5 BIG-IP Access Policy Manager (APM) is a secure, flexible, high-performance solution that provides unified global access to your network, cloud, and applications.

In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL within the request URL. (CVE-2020-1927)

Vulnerable Component: BIG-IP ASM, APM,LTM

Affected Versions:
16.0.0 - 16.0.1
15.0.0 - 15.1.2
14.1.0 - 14.1.4

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

An attacker can abuse this vulnerability in a phishing attack or as part of a client-side attack on browsers.

  • CVSS V3 rated as High - 6.1 severity.
  • CVSS V2 rated as Medium - 5.8 severity.
    • Solution
    The vendor has released patch, for more information please visit: K23153696
    Vendor References

    CVEs related to QID 375774

    CVE-2020-1927 |
    Software Advisories
    Advisory ID Software Component Link
    K23153696 URL Logo support.f5.com/csp/article/K23153696
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