GHSA-GF93-XCCM-5G6J

Vulnerability from github – Published: 2025-11-04 15:43 – Updated: 2025-11-17 21:36
VLAI?
Summary
MARIN3R: Cross-Namespace Vulnerability in the Operator
Details

Summary

Cross-namespace Secret access vulnerability in DiscoveryServiceCertificate allows users to bypass RBAC and access Secrets in unauthorized namespaces.

Affected Versions

All versions prior to v0.13.4

Patched Versions

v0.13.4 and later

Impact

Users with permission to create DiscoveryServiceCertificate resources in one namespace can indirectly read Secrets from other namespaces, completely bypassing Kubernetes RBAC security boundaries.

Workarounds

Restrict DiscoveryServiceCertificate create permissions to cluster administrators only until patched version is deployed.

Credit

Thanks to @debuggerchen for the responsible disclosure.

Severity ?
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.13.3"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/3scale-sre/marin3r"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.13.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-64171"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-11-04T15:43:52Z",
    "nvd_published_at": "2025-11-06T01:15:38Z",
    "severity": "HIGH"
  },
  "details": "## Summary\nCross-namespace Secret access vulnerability in DiscoveryServiceCertificate \nallows users to bypass RBAC and access Secrets in unauthorized namespaces.\n\n## Affected Versions\nAll versions prior to v0.13.4\n\n## Patched Versions\nv0.13.4 and later\n\n## Impact\nUsers with permission to create DiscoveryServiceCertificate resources in one \nnamespace can indirectly read Secrets from other namespaces, completely \nbypassing Kubernetes RBAC security boundaries.\n\n## Workarounds\nRestrict DiscoveryServiceCertificate create permissions to cluster administrators \nonly until patched version is deployed.\n\n## Credit\nThanks to @debuggerchen for the responsible disclosure.",
  "id": "GHSA-gf93-xccm-5g6j",
  "modified": "2025-11-17T21:36:00Z",
  "published": "2025-11-04T15:43:52Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/3scale-sre/marin3r/security/advisories/GHSA-gf93-xccm-5g6j"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-64171"
    },
    {
      "type": "WEB",
      "url": "https://github.com/3scale-sre/marin3r/pull/294"
    },
    {
      "type": "WEB",
      "url": "https://github.com/3scale-sre/marin3r/commit/859b14115fde1d67620e645cd1b62e90e30d9981"
    },
    {
      "type": "WEB",
      "url": "https://github.com/3scale-sre/marin3r/commit/c60246a43ae8c0c38dd7267f298d68a121a159fa"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/3scale-sre/marin3r"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "MARIN3R: Cross-Namespace Vulnerability in the Operator"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
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  • 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.



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