Denial of service in BIG-IP HTTP profile

1) Buffer overflow

EUVDB-ID: #VU71812

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-22422

CWE-ID: CWE-120 - Buffer overflow

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation when an HTTP profile with the non-default Enforcement options Enforce RFC Compliance and Unknown Methods: Reject are configured on a virtual server. A remote attacker can send specially crafted traffic to the affected device, trigger a buffer overflow and crash the TMM process.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

BIG-IP: 16.1.0 - 17.0.0.1

CPE2.3

• cpe:2.3:h:f5_networks:big-ip:16.1.3.2:*:*:*:*:*:*:*
• cpe:2.3:h:f5_networks:big-ip:17.0.0.1:*:*:*:*:*:*:*

External links

https://my.f5.com/manage/s/article/K43881487

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.