Security advisory

{
  "id": "f8b0eebb36e5b89e4b71783bb38733af4f97ccf1e62cd390c2b91bfb58e9df8a",
  "url": "https://osv.dev/vulnerability/CVE-2017-20180",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-20180",
    "summary": "A vulnerability classified as critical has been found in Zerocoin libzerocoin. Affected is the function CoinSpend::CoinSpend of the file CoinSpend.cpp of the component Proof Handler. The manipulation leads to insufficient verification of data authenticity. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is identified as ce103a09ec079d0a0ed95475992348bed6e860de. It is recommended to apply a patch to fix this issue. VDB-222318 is the identifier assigned to this vulnerability.",
    "evidence": "osv:CVE-2017-20180",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-20180",
      "aliases": [
        "CVE-2017-20180"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/zerocoin/libzerocoin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ce103a09ec079d0a0ed95475992348bed6e860de"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "ce103a09ec079d0a0ed95475992348bed6e860de"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.2alpha",
            "v0.1alpha"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-20180.json",
            "vanir_signatures": [
              {
                "id": "CVE-2017-20180-8f706b33",
                "digest": {
                  "length": 1309,
                  "function_hash": "125312985533685941205616749023858349998"
                },
                "source": "https://github.com/zerocoin/libzerocoin/commit/ce103a09ec079d0a0ed95475992348bed6e860de",
                "target": {
                  "file": "CoinSpend.cpp",
                  "function": "CoinSpend::CoinSpend"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-20180-aa6d82d9",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "194041169223052256669845637363596105894",
                    "315280418852530399671758443515443271710",
                    "71708705690321233920607261755056183973"
                  ]
                },
                "source": "https://github.com/zerocoin/libzerocoin/commit/ce103a09ec079d0a0ed95475992348bed6e860de",
                "target": {
                  "file": "CoinSpend.h"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2017-20180-b4d2d424",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "20123363871489142640396109713814709050",
                    "6570876380730098750354263163136206966",
                    "140352040715213051974035289442242972378",
                    "1780428799062492823297668211168586389"
                  ]
                },
                "source": "https://github.com/zerocoin/libzerocoin/commit/ce103a09ec079d0a0ed95475992348bed6e860de",
                "target": {
                  "file": "CoinSpend.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:37:08Z"
          }
        }
      ],
      "modified": "2026-10-20T13:37:08.353306698Z",
      "provider": "osv",
      "references": [
        "https://vuldb.com/?id.222318",
        "https://vuldb.com/?ctiid.222318",
        "https://github.com/Zerocoin/libzerocoin/commit/ce103a09ec079d0a0ed95475992348bed6e860de",
        "https://github.com/Zerocoin/libzerocoin/pull/16"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:zerocoin:libzerocoin:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "zerocoin:libzerocoin",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2017-11-15"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-20180",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387891,
  "published_at": "2023-03-06T11:15:09.813+00:00"
}