Denia of service in BIG-IP TMM

1) Input validation error

EUVDB-ID: #VU24236

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-2020-5852

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the Traffic Management Microkernel (TMM). A remote attacker can send specially crafted traffic to the system and cause it to restart.

Mitigation

The vulnerability affects only listed BIG-IP engineering hotfixes.

To solve the issue, remove the listed hotfix or contact your vendor for technical support.

Vulnerable software versions

BIG-IP: 11.5.4.2.74.291 HF2 - 14.1.2.1.0.83.4 Hotfix-ENG

External links

http://support.f5.com/csp/article/K53590702

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.