GHSA-M3CQ-XCX9-3GVM

Vulnerability from github – Published: 2022-12-21 17:24 – Updated: 2025-04-15 12:50
VLAI?
Summary
kyverno verifyImages rule bypass possible with malicious proxy/registry
Details

Impact

Users of Kyverno on versions 1.8.3 or 1.8.4 who use verifyImages rules to verify container image signatures, and do not prevent use of unknown registries.

Patches

This issue has been fixed in version 1.8.5

Workarounds

Configure a Kyverno policy to restrict registries to a set of secure trusted image registries (sample).

References

Severity ?
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/kyverno/kyverno"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.8.3"
            },
            {
              "fixed": "1.8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-47633"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-12-21T17:24:10Z",
    "nvd_published_at": "2022-12-23T23:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nUsers of Kyverno on versions 1.8.3 or 1.8.4 who use `verifyImages` rules to verify container image signatures, and do not prevent use of unknown registries.\n\n### Patches\n\nThis issue has been fixed in version [1.8.5](https://github.com/kyverno/kyverno/releases/tag/v1.8.5)\n\n### Workarounds\n\nConfigure a Kyverno policy to restrict registries to a set of secure trusted image registries ([sample](https://kyverno.io/policies/best-practices/restrict_image_registries/restrict_image_registries/)).\n\n### References",
  "id": "GHSA-m3cq-xcx9-3gvm",
  "modified": "2025-04-15T12:50:46Z",
  "published": "2022-12-21T17:24:10Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-47633"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kyverno/kyverno/pull/5713"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/kyverno/kyverno"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kyverno/kyverno/releases/tag/v1.8.5"
    },
    {
      "type": "WEB",
      "url": "https://kyverno.io/docs/writing-policies/verify-images"
    },
    {
      "type": "WEB",
      "url": "https://kyverno.io/policies/best-practices/restrict_image_registries/restrict_image_registries"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2022-1180"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20230426095744/https://kyverno.io/policies/best-practices/restrict_image_registries/restrict_image_registries"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "kyverno verifyImages rule bypass possible with malicious proxy/registry"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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