Pkcs11-provider: side-channel proofing pkcs#1 1.5 paths

{
  "id": "ac00f699fde56200690b9517e8f49e34bb927ce3b31d70f55ae556e31c75ef8c",
  "url": "https://osv.dev/vulnerability/CVE-2023-6258",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Pkcs11-provider: side-channel proofing pkcs#1 1.5 paths",
    "summary": "A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, potentially enabling a side-channel attack on PKCS#1 1.5 decryption.",
    "evidence": "osv:CVE-2023-6258",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-6258",
      "aliases": [
        "CVE-2023-6258"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openssl-projects/pkcs11-provider",
              "type": "GIT",
              "events": [
                {
                  "introduced": "73013172a051e5d4c4db5af2d8568cbf5a9ee545"
                },
                {
                  "last_affected": "73013172a051e5d4c4db5af2d8568cbf5a9ee545"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:latchset:pkcs11-provider:0.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.1"
                      },
                      {
                        "last_affected": "0.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.1",
            "v0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6258.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.464648460Z",
      "provider": "osv",
      "references": [
        "https://packages.fedoraproject.org/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6258.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-6258",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2251062",
        "https://github.com/latchset/pkcs11-provider/pull/308"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1300"
        ],
        "cna_assigner": "redhat",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6258.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-6258",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 510286,
  "published_at": "2024-01-30T16:55:18.733+00:00"
}