#VU11622 Improper access control in BIG-IP DNS

Vulnerability identifier: #VU11622

Vulnerability risk: Low

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-284

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 obtain potentially sensitive information and write arbitrary files on the target system.

The weakness exists due to improper access control. On systems where the hostname is a public domain name that the BIG-IP system owner does not control, a remote attacker can hijack the DNS to cause DNS queries to be redirected to a remote DNS server.

Mitigation
Cybersecurity is currently unaware of any solutions addressing the vulnerability.

Vulnerable software versions

BIG-IP DNS: 12.0.0 HF1 - 13.1.0.3

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External links
https://support.f5.com/csp/article/K32518458

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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.