CVE-2022-2837

MEDIUM

CoreDNS - External TLD Traffic Redirection via Crafted Namespace

Title source: manual

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 (1)

Core 1

Core References

Issue Tracking, Mitigation, Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2118543

Scores

CVSS v3 6.1

EPSS 0.0039

EPSS Percentile 30.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-601 CWE-923

Status published

Products (2)

coredns/coredns 0Go

coredns.io/coredns

Published Mar 03, 2023

Tracked Since Feb 18, 2026