Security advisory

{
  "id": "2969dda94519df938771ee62e24bcbe1ba840112e716349aee7562e129e28903",
  "url": "https://osv.dev/vulnerability/CVE-2020-14156",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-14156",
    "summary": "user_channel/passwd_mgr.cpp in OpenBMC phosphor-host-ipmid before 2020-04-03 does not ensure that /etc/ipmi-pass has strong file permissions.",
    "evidence": "osv:CVE-2020-14156",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-14156",
      "aliases": [
        "CVE-2020-14156"
      ],
      "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/openbmc/phosphor-host-ipmid",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b265455a2518ece7c004b43c144199ec980fc620"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "b265455a2518ece7c004b43c144199ec980fc620"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14156.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-14156-848c889f",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "252991752679431044555234616444420233430",
                    "65904686594404160380191304806490240067",
                    "137063415457927835696535855043186268131",
                    "180387537637815624261826777414010078081"
                  ]
                },
                "source": "https://github.com/openbmc/phosphor-host-ipmid/commit/b265455a2518ece7c004b43c144199ec980fc620",
                "target": {
                  "file": "user_channel/passwd_mgr.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-14156-c60e67a4",
                "digest": {
                  "length": 4876,
                  "function_hash": "43864797705569856490062654094805787069"
                },
                "source": "https://github.com/openbmc/phosphor-host-ipmid/commit/b265455a2518ece7c004b43c144199ec980fc620",
                "target": {
                  "file": "user_channel/passwd_mgr.cpp",
                  "function": "PasswdMgr::updatePasswdSpecialFile"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:50:30Z"
          }
        }
      ],
      "modified": "2026-10-20T13:50:30.046682371Z",
      "provider": "osv",
      "references": [
        "https://github.com/openbmc/openbmc/issues/3670",
        "https://lists.ozlabs.org/pipermail/openbmc/2020-June/022020.html",
        "https://github.com/openbmc/phosphor-host-ipmid/commit/b265455a2518ece7c004b43c144199ec980fc620"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:openbmc-project:openbmc:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "openbmc-project:openbmc",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2020-04-03"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2020-04-03"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-14156",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388265,
  "published_at": "2020-06-15T18:15:15.207+00:00"
}