GHSA-H828-V5PV-33QX

Vulnerability from github – Published: 2023-03-03 18:30 – Updated: 2025-03-07 21:32
VLAI?
Summary
coreDNS vulnerable to Improper Restriction of Communication Channel to Intended Endpoints
Details

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.

Severity ?
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/coredns/coredns"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.9.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-2837"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-601",
      "CWE-923"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-03-06T21:43:07Z",
    "nvd_published_at": "2023-03-03T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-h828-v5pv-33qx",
  "modified": "2025-03-07T21:32:14Z",
  "published": "2023-03-03T18:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-2837"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2118543"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/coredns/coredns"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "coreDNS vulnerable to Improper Restriction of Communication Channel to Intended Endpoints"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.