Security advisory

{
  "id": "58c9aa194af059570a28a4037f8797a6a2ccf7eb462ffce6ab5518d624322b9b",
  "url": "https://osv.dev/vulnerability/CVE-2023-43617",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-43617",
    "summary": "An issue was discovered in Croc through 9.6.5. When a custom shared secret is used, the sender and receiver may divulge parts of this secret to an untrusted Relay, as part of composing a room name.",
    "evidence": "osv:CVE-2023-43617",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-43617",
      "aliases": [
        "CVE-2023-43617",
        "GHSA-hp56-xvf4-g6wr",
        "GO-2023-2072"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/schollz/croc",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "ef68dfa54c3266fd2033f2ee8e16754fb91d888f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "9.6.5"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "cpe": "cpe:2.3:a:schollz:croc:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "9.6.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v9.6.5",
            "v9.6.4",
            "v9.6.3",
            "v9.6.2",
            "v9.6.1",
            "v9.6.0",
            "v9.5.6",
            "v9.5.5",
            "v9.5.4",
            "v9.5.3",
            "v9.5.2",
            "v9.5.1",
            "v9.5.0",
            "v9.4.2",
            "v9.4.1",
            "v9.4.0",
            "v9.3.0",
            "v9.2.1",
            "v9.2.0",
            "v9.1.6",
            "v9.1.5",
            "v9.1.3",
            "v9.1.2",
            "v9.1.1",
            "v9.1.0",
            "v8.5.3",
            "v8.5.2",
            "v8.5.1",
            "v8.5.0",
            "v8.4.0",
            "v8.3.2",
            "v8.3.1",
            "v8.3.0",
            "v8.2.1",
            "v8.2.0",
            "v8.1.3",
            "v8.1.2",
            "v8.1.1",
            "v8.1.0",
            "v8.0.13",
            "v8.0.12",
            "v8.0.11",
            "v8.0.10",
            "v8.0.9",
            "v8.0.8",
            "v8.0.7",
            "v8.0.6",
            "v8.0.5",
            "v8.0.4",
            "v8.0.3",
            "v8.0.2",
            "v8.0.1",
            "v8.0.0",
            "v6.4.11",
            "v6.4.10",
            "v6.4.9",
            "v6.4.8",
            "v6.4.7",
            "v6.4.6",
            "v6.4.5",
            "v6.4.4",
            "v6.4.3",
            "v6.4.2",
            "v6.4.1",
            "v6.4.0",
            "v6.3.0",
            "v6.2.4",
            "v6.2.3",
            "v6.2.2",
            "v6.2.1",
            "v6.2.0",
            "v6.1.5",
            "v6.1.4",
            "v6.1.3",
            "v6.1.2",
            "v6.1.1",
            "v6.0.10",
            "v6.0.8",
            "v6.0.7",
            "v6.0.9",
            "v6.0.6",
            "v6.0.5",
            "v6.0.4",
            "v6.0.3",
            "v6.0.2",
            "v6.0.1",
            "v6.0.0",
            "v4.1.6",
            "v4.1.5",
            "v4.1.4",
            "v4.1.3",
            "v4.1.2",
            "v4.1.1",
            "v4.1.0",
            "v4.0.8",
            "v4.0.7",
            "v4.0.6",
            "v4.0.5",
            "v4.0.4",
            "v4.0.3",
            "v4.0.2",
            "v4.0.1",
            "v4.0.0",
            "v3.0.7",
            "v3.0.6",
            "v3.0.5",
            "v2.1.1",
            "v2.1.0",
            "v2.0.0",
            "v1.0.0",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-43617.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:21.353766477Z",
      "provider": "osv",
      "references": [
        "https://www.openwall.com/lists/oss-security/2023/09/08/2",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/43xxx/CVE-2023-43617.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-43617",
        "https://github.com/schollz/croc/issues/596"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/43xxx/CVE-2023-43617.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-43617",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 487132,
  "published_at": "2023-09-20T00:00:00+00:00"
}