#VU93499 Input validation error in CoreDNS - CVE-2024-0874

Vulnerability identifier: #VU93499

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-0874

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CoreDNS
Server applications / DNS servers

Vendor: CoreDNS

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect implementation of cashing. A remote attacker can force the DNS server to return invalid cache entries and perform spoofing attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CoreDNS: 1.0.0 - 1.11.1

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External links
https://access.redhat.com/security/cve/CVE-2024-0874
https://bugzilla.redhat.com/show_bug.cgi?id=2219234
https://github.com/coredns/coredns/issues/6186
https://github.com/coredns/coredns/pull/6354
https://access.redhat.com/errata/RHSA-2024:0041

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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.