Vulnerability identifier: #VU93499

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

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

---

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

---

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.