Denial of srevice in BIG-IP TMM Request Logging

1) NULL pointer dereference

EUVDB-ID: #VU59873

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23020

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dreference error when the 'Respond on Error' setting is enabled on the Request Logging profile and configured on a virtual server. A remote non-authenticated attacker can send specially crafted requests to the system and cause the Traffic Management Microkernel (TMM) to terminate.

Mitigation

Install update from vendor's website.

Vulnerable software versions

BIG-IP: 16.1.0 - 16.1.1

External links

http://support.f5.com/csp/article/K17514331

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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