Security restrictions bypass in BIG-IP iRules

1) Security features bypass

EUVDB-ID: #VU66088

Risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-33962

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to certain iRules commands may allow a user to bypass the access control restrictions for a self IP address, regardless of the port lockdown settings. A local user can use this vulnerability to connect to internal IP addresses or services through an iRule that allows unconstrained manipulation of the target of the pool or node commands.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

BIG-IP: 13.1.0 - 17.0.0

External links

http://support.f5.com/csp/article/K80970653

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.