Security advisory

{
  "id": "d76df7878d76d54125ab953c546f32c903d9b3973ce3de14108a78a65d95a3df",
  "url": "https://osv.dev/vulnerability/CVE-2018-1000165",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-1000165",
    "summary": "LightSAML version prior to 1.3.5 contains a Incorrect Access Control vulnerability in signature validation in readers in src/LightSaml/Model/XmlDSig/ that can result in impersonation of any user from Identity Provider. This vulnerability appears to have been fixed in 1.3.5 and later.",
    "evidence": "osv:CVE-2018-1000165",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-1000165",
      "aliases": [
        "CVE-2018-1000165",
        "GHSA-vg4f-8v9q-5c3x"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/lightsaml/lightsaml",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "a7f60056384db50baba0449ba06d4fc4076280f0"
                },
                {
                  "fixed": "47cef07bb09779df15620799f3763d1b8d32307a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:lightsaml:lightsaml:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.3.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "47cef07bb09779df15620799f3763d1b8d32307a"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a7f60056384db50baba0449ba06d4fc4076280f0"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "1.3.5"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.3.3",
            "1.3.2",
            "1.3.1",
            "1.3.0",
            "1.2.1",
            "1.2.0",
            "1.1.4",
            "1.1.3",
            "1.1.2",
            "1.1.1",
            "1.1.0",
            "1.0.9",
            "1.0.8",
            "1.0.7",
            "1.0.6",
            "1.0.5",
            "1.0.4",
            "1.0.3",
            "1.0.2",
            "1.0.1",
            "1.0.0",
            "1.0.0-beta.1",
            "0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000165.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:45.972442190Z",
      "provider": "osv",
      "references": [
        "https://github.com/lightSAML/lightSAML/releases/tag/1.3.5",
        "https://github.com/lightSAML/lightSAML/commit/47cef07bb09779df15620799f3763d1b8d32307a"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-1000165",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380780,
  "published_at": "2018-04-18T19:29:00.77+00:00"
}