GitHub Advisoryadvisory · Go

GHSA-h828-v5pv-33qx coreDNS vulnerable to Improper Restriction of Communication Channel to Intended Endpoints

MEDIUM Published 2023-03-03 Modified 2025-03-07 Official page ↗

Aliases: CVE-2022-2837
Ecosystem: Go
Packages: github.com/coredns/coredns
Severity: Moderate
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses: CWE-601, CWE-923
Reviewed: 2023-03-06

Affected packages

• Go github.com/coredns/coredns: <= 1.9.3 (no fix yet)

Description

A flaw was found in coreDNS. This flaw allows a malicious user to redirect traffic intended for external top-level domains (TLD) to a pod they control by creating projects and namespaces that match the TLD.

Alias · CVE (1)

CVE-2022-2837 A flaw was found in coreDNS. vulnerability

Weakness · CWE (2)

CWE-601 URL Redirection to Untrusted Site weakness
CWE-923 Improper Restriction of Communication Channel to Intended Endpoints weakness

References

https://nvd.nist.gov/vuln/detail/CVE-2022-2837 advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2118543 web
https://github.com/coredns/coredns package