Security advisory

{
  "id": "e7b7ae1ff855cc7a1741d678259ca85ed599dbf9b848884d85aed98b6a57d42d",
  "url": "https://osv.dev/vulnerability/CVE-2018-14056",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-14056",
    "summary": "ZNC before 1.7.1-rc1 is prone to a path traversal flaw via ../ in a web skin name to access files outside of the intended skins directories.",
    "evidence": "osv:CVE-2018-14056",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-14056",
      "aliases": [
        "CVE-2018-14056"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/znc/znc",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "4489b1b69474cb5ffa1b2d5c9b19b725e7e59e04"
                },
                {
                  "fixed": "a4a5aeeb17d32937d8c7d743dae9a4cc755ce773"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:znc:znc:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.7.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a4a5aeeb17d32937d8c7d743dae9a4cc755ce773"
                      }
                    ],
                    "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-2018-14056.json",
            "vanir_signatures": [
              {
                "id": "CVE-2018-14056-520b6c12",
                "digest": {
                  "length": 324,
                  "function_hash": "230239668005739726547415841134892702946"
                },
                "source": "https://github.com/znc/znc/commit/a4a5aeeb17d32937d8c7d743dae9a4cc755ce773",
                "target": {
                  "file": "src/WebModules.cpp",
                  "function": "CWebSock::GetSkinPath"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2018-14056-7ffe5bc2",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "317629045933835914814329189593651256713",
                    "232453281137543700062677396828761595611",
                    "95850806842429227230092879311385366203",
                    "16706244423504679049760187812381908990",
                    "154665892332439519549797513188972957449",
                    "319273650834360086546577451806642157682",
                    "292119683161844694741004784656480862389",
                    "5762613768222406744701999058322446306"
                  ]
                },
                "source": "https://github.com/znc/znc/commit/a4a5aeeb17d32937d8c7d743dae9a4cc755ce773",
                "target": {
                  "file": "src/WebModules.cpp"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:28:33Z"
          }
        }
      ],
      "modified": "2026-10-20T13:28:33.025425106Z",
      "provider": "osv",
      "references": [
        "https://security.gentoo.org/glsa/201807-03",
        "https://www.debian.org/security/2018/dsa-4252",
        "https://github.com/znc/znc/commit/a4a5aeeb17d32937d8c7d743dae9a4cc755ce773"
      ],
      "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-2018-14056",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387721,
  "published_at": "2018-07-15T01:29:03.633+00:00"
}