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coreDNS vulnerable to Improper Restriction of Communication Channel to Intended Endpoints

Moderate severity GitHub Reviewed Published Mar 3, 2023 to the GitHub Advisory Database • Updated Mar 14, 2023

Package

gomod github.com/coredns/coredns (Go)

Affected versions

<= 1.9.3

Patched versions

None

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.

References

Published by the National Vulnerability Database Mar 3, 2023
Published to the GitHub Advisory Database Mar 3, 2023
Reviewed Mar 6, 2023
Last updated Mar 14, 2023

Severity

Moderate
6.1
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses

CVE ID

CVE-2022-2837

GHSA ID

GHSA-h828-v5pv-33qx

Source code

Credits

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