Security advisory

{
  "id": "9909c7ae13fa27113b3e57f6d00a2a41d83284c120f193db916f94a39300e8a2",
  "url": "https://osv.dev/vulnerability/CVE-2018-14055",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-14055",
    "summary": "ZNC before 1.7.1-rc1 does not properly validate untrusted lines coming from the network, allowing a non-admin user to escalate his privilege and inject rogue values into znc.conf.",
    "evidence": "osv:CVE-2018-14055",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-14055",
      "aliases": [
        "CVE-2018-14055"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/znc/znc",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "4489b1b69474cb5ffa1b2d5c9b19b725e7e59e04"
                },
                {
                  "fixed": "a7bfbd93812950b7444841431e8e297e62cb524e"
                },
                {
                  "fixed": "d22fef8620cdd87490754f607e7153979731c69d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:znc:znc:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.7.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a7bfbd93812950b7444841431e8e297e62cb524e"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d22fef8620cdd87490754f607e7153979731c69d"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "znc-1.7.0",
            "znc-1.6.0",
            "znc-1.2",
            "znc-1.0",
            "znc-0.200",
            "znc-0.098",
            "znc-0.096",
            "znc-0.094",
            "znc-0.072",
            "znc-0.070",
            "znc-0.068",
            "znc-0.066",
            "znc-0.064",
            "znc-0.062",
            "znc-0.060",
            "znc-0.058",
            "znc-0.056",
            "znc-0.054",
            "znc-0.054-rc3",
            "znc-0.054-rc2",
            "znc-0.054-rc1",
            "znc-0.052",
            "znc-0.050",
            "znc-0.047",
            "znc-0.045",
            "znc-0.044",
            "znc-0.043",
            "znc-0.041",
            "znc-0.040",
            "znc-0.039",
            "znc-0.038",
            "znc-0.037",
            "znc-0.036",
            "znc-0.035",
            "znc-0.034",
            "znc-0.033",
            "znc-0.030",
            "znc-0.029",
            "znc-0.028",
            "znc-0.027",
            "znc-0.025",
            "znc-0.023"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14055.json",
            "vanir_signatures": [
              {
                "id": "CVE-2018-14055-252df1c5",
                "digest": {
                  "length": 1800,
                  "function_hash": "60984955223312034853263882467691689392"
                },
                "source": "https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d",
                "target": {
                  "file": "src/IRCSock.cpp",
                  "function": "CIRCSock::ReadLine"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2018-14055-26128037",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                  ]
                },
                "source": "https://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e",
                "target": {
                  "file": "src/Config.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2018-14055-305ceed7",
                "digest": {
                  "length": 553,
                  "function_hash": "105522597803742310031247247382044571470"
                },
                "source": "https://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e",
                "target": {
                  "file": "src/Config.cpp",
                  "function": "CConfig::Write"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2018-14055-d266880f",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                  ]
                },
                "source": "https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d",
                "target": {
                  "file": "src/Client.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2018-14055-de45757f",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                    "219403454261744467426049684021290062685",
                    "302792696749047866986578535384728981356",
                    "79566459958152877292889732138801075274"
                  ]
                },
                "source": "https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d",
                "target": {
                  "file": "src/IRCSock.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2018-14055-e287e35b",
                "digest": {
                  "length": 2224,
                  "function_hash": "257039376338732901167057406271341509936"
                },
                "source": "https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d",
                "target": {
                  "file": "src/Client.cpp",
                  "function": "CClient::ReadLine"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:35:47Z"
          }
        }
      ],
      "modified": "2026-10-20T13:35:47.737129665Z",
      "provider": "osv",
      "references": [
        "https://security.gentoo.org/glsa/201807-03",
        "https://www.debian.org/security/2018/dsa-4252",
        "https://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e",
        "https://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-14055",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387856,
  "published_at": "2018-07-15T01:29:03.587+00:00"
}