CVE-2022-2837Improper Restriction of Communication Channel to Intended Endpoints in Coredns Coredns

Severity
6.1MEDIUMNVD
EPSS
0.2%
top 55.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 3

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages1 packages

🔴Vulnerability Details

2
OSV
coreDNS vulnerable to Improper Restriction of Communication Channel to Intended Endpoints2023-03-03
GHSA
coreDNS vulnerable to Improper Restriction of Communication Channel to Intended Endpoints2023-03-03

📋Vendor Advisories

1
Red Hat
coreDNS: DNS Redirection of Top-Level Domains2022-08-16