Vulnerability identifier: #VU71819

Vulnerability 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-2023-23555

CWE-ID: CWE-665

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IP
Hardware solutions / Firmware

Vendor: F5 Networks

Description

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

The vulnerability exists due to improper initialization when FastL4 profile is configured on a virtual server in BIG-IP Virtual Edition. A remote attacker can send specially crafted traffic to the device and cause the TMM process to crash.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BIG-IP: 15.1.4 - 15.1.7, 14.1.5 - 14.1.5.2

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External links
http://my.f5.com/manage/s/article/K24572686

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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.