CVE-2022-26835 Path traversal in BIG-IP

Medium 4.9 Published 5 May 2022 Updated 17 Sep 2024

Authenticated attackers with resource administrator privileges can read arbitrary files via directory traversal in F5 BIG-IP Guided Configuration.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-26835?

CVE-2022-26835 is a medium-severity path traversal vulnerability in F5 Big-Ip Access Policy Manager, published on 5 May 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior to 13.1.5, and all versions of 12.1.x and 11.6.x, directory traversal vulnerabilities exist in undisclosed iControl REST endpoints and TMOS Shell (tmsh) commands in F5 BIG-IP Guided Configuration, which may allow an authenticated attacker with at least resource administrator role privileges to read arbitrary files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Weakness: CWE-22

Which versions are affected by CVE-2022-26835?

It affects 11 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Domain Name System and 5 more.

How do I fix CVE-2022-26835?

No fix has been published for CVE-2022-26835 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-26835 being exploited?

There is no known exploitation of CVE-2022-26835 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-2v4q-7r62-3cvj.