#VU66145 Deserialization of Untrusted Data in BIG-IP DNS - CVE-2022-33947

Vulnerability identifier: #VU66145

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-33947

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IP DNS
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: F5 Networks

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insecure input validation when processing serialized data in the Traffic Management User Interface (TMUI). A remote user can cause the Tomcat process to restart and perform unauthorized DNS requests and operations through undisclosed requests.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BIG-IP DNS: 13.1.0 - 16.1.2

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External links
https://support.f5.com/csp/article/K38893457

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.