CVE-2023-28452

An issue was discovered in CoreDNS through 1.10.1. There is a vulnerability in DNS resolving software, which triggers a resolver to ignore valid responses, thus causing denial of service for normal resolution. In an exploit, the attacker could just forge a response targeting the source port of a vulnerable resolver without the need to guess the correct TXID.

CVSS v4.0 GitHub

8.2 HIGHCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 GitHub

5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.61% chance of exploitation in the next 30 days, 48th percentile

Published

2024-09-18

Updated

2025-03-19

Proof-of-concept exploits (1)

• mrmtwoj/TuDoor-2★ · 2024-10-05

Security advisories

• https://gist.github.com/idealeer/e41c7fb3b661d4262d0b6f21e12168ba
• advisories/GHSA-hfmw-7g3m-gj6q
• https://coredns.io

References

• CVE Record
• NVD entry

Related

• CVE-2018-14847
• CVE-2023-25136
• CVE-2023-29483
• CVE-2023-38709
• CVE-2024-38077
• CVE-2024-38472