Denial of service in BIG-IP TMM



Published: 2022-01-20
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-23021
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
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BIG-IP
Hardware solutions / Firmware

Vendor F5 Networks

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU59891

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-2022-23021

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 dereference error. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

This vulnerability affects the Virtual server with any of the following profiles or policies configured:

  • HTTP redirect rule in an LTM policy
  • BIG-IP APM Access Profile
  • Explicit HTTP Proxy in the HTTP Profile

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/K57111075


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.



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