CVE-2023-28452
MEDIUM5.9EPSS 0.04%CoreDNS vulnerable to TuDoor Attacks
Published: 9/18/2024Modified: 2/4/2026
Description
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.
Affected packages (2)
- Go/github.com/coredns/corednsfrom 0, < 1.11.0
- Go/github.com/coredns/corednsfrom 0, < 1.11.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (6)
- ADVISORYhttps://github.com/advisories/GHSA-hfmw-7g3m-gj6q
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-28452
- PATCHhttps://github.com/coredns/coredns
- WEBhttps://coredns.io
- WEBhttps://gist.github.com/idealeer/e41c7fb3b661d4262d0b6f21e12168ba
- WEBhttps://github.com/coredns/coredns/commit/604a902e2c7e0317aecaa3666124079c75a31573