Security advisory

{
  "id": "6db2d3041a11770e426b223f5428b30475825b5dc2c013367b304a2e20fe6a31",
  "url": "https://osv.dev/vulnerability/CVE-2023-45839",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-45839",
    "summary": "Multiple data integrity vulnerabilities exist in the package hash checking functionality of Buildroot 2023.08.1 and Buildroot dev commit 622698d7847. A specially crafted man-in-the-middle attack can lead to arbitrary command execution in the builder.This vulnerability is related to the `aufs-util` package.",
    "evidence": "osv:CVE-2023-45839",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-45839",
      "aliases": [
        "CVE-2023-45839"
      ],
      "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://gitlab.com/buildroot.org/buildroot",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9266ab06e0ef1a448ac3f1c848bba59ec9908fbf"
                },
                {
                  "last_affected": "9266ab06e0ef1a448ac3f1c848bba59ec9908fbf"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:buildroot:buildroot:2023.08.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2023.08.1"
                      },
                      {
                        "last_affected": "2023.08.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2023.08.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-45839.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.291067797Z",
      "provider": "osv",
      "references": [
        "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1844",
        "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1844",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45839.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-45839"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-494"
        ],
        "cna_assigner": "talos",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2023.08.1"
                  },
                  {
                    "last_affected": "2023.08.1"
                  },
                  {
                    "introduced": "dev commit 622698d7847"
                  },
                  {
                    "last_affected": "dev commit 622698d7847"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45839.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-45839",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493036,
  "published_at": "2023-12-05T11:30:10.77+00:00"
}