#VU59897 NULL pointer dereference in BIG-IP


Published: 2022-01-20

Vulnerability identifier: #VU59897

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-2022-23016

CWE-ID: CWE-476

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 a NULL pointer dreference error in when processing TLS 1.3 traffic in BIG-IP SSL Forward Proxy. A remote attacker can send specially crafted packets to the affected device and cause the Traffic Management Microkernel (TMM) to terminate.

Mitigation
Install update from vendor's website.

Vulnerable software versions

BIG-IP: 16.0.0 - 16.0.1.2, 16.1.0 - 16.1.1, 15.1.0 - 15.1.4


External links
http://support.f5.com/csp/article/K91013510


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.


Latest bulletins with this vulnerability