Security advisory

{
  "id": "f34317c8991415b2becfc691b3a21d5a595f73cb4f73c57113f5121750a15af7",
  "url": "https://osv.dev/vulnerability/CVE-2023-28339",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-28339",
    "summary": "OpenDoas through 6.8.2, when TIOCSTI is available, allows privilege escalation because of sharing a terminal with the original session. NOTE: TIOCSTI is unavailable in OpenBSD 6.0 and later, and can be made unavailable in the Linux kernel 6.2 and later.",
    "evidence": "osv:CVE-2023-28339",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-28339",
      "aliases": [
        "CVE-2023-28339"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/duncaen/opendoas",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "7f0205fe2f06221d76243342d299851f48c2b83c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "6.8.2"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "cpe": "cpe:2.3:a:opendoas_project:opendoas:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "6.8.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v6.8.2",
            "v6.8.1",
            "v6.8",
            "v6.6.1",
            "v6.6",
            "v6.0",
            "v0.3.2",
            "v0.3.1",
            "v0.3",
            "v0.2",
            "v0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-28339.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.681197632Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28339.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-28339",
        "https://github.com/Duncaen/OpenDoas/issues/106"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28339.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-28339",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517869,
  "published_at": "2023-03-14T00:00:00+00:00"
}