FKIE_CVE-2018-20250

Vulnerability from fkie_nvd - Published: 2019-02-05 20:29 - Updated: 2025-10-31 22:07
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.
References
cve@checkpoint.comhttp://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
cve@checkpoint.comhttp://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_aceThird Party Advisory
cve@checkpoint.comhttp://www.securityfocus.com/bid/106948Broken Link, Third Party Advisory, VDB Entry
cve@checkpoint.comhttps://github.com/blau72/CVE-2018-20250-WinRAR-ACEExploit, Third Party Advisory
cve@checkpoint.comhttps://research.checkpoint.com/extracting-code-execution-from-winrar/Exploit, Press/Media Coverage, Third Party Advisory
cve@checkpoint.comhttps://www.exploit-db.com/exploits/46552/Exploit, Third Party Advisory, VDB Entry
cve@checkpoint.comhttps://www.exploit-db.com/exploits/46756/Exploit, Third Party Advisory, VDB Entry
cve@checkpoint.comhttps://www.win-rar.com/whatsnew.htmlRelease Notes
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_aceThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106948Broken Link, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/blau72/CVE-2018-20250-WinRAR-ACEExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://research.checkpoint.com/extracting-code-execution-from-winrar/Exploit, Press/Media Coverage, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/46552/Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/46756/Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.win-rar.com/whatsnew.htmlRelease Notes
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20250US Government Resource
Impacted products
Vendor Product Version
rarlab winrar *
To clipboard 

{
  "cisaActionDue": "2022-08-15",
  "cisaExploitAdd": "2022-02-15",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "WinRAR Absolute Path Traversal Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7EA0C7CE-99E6-4C92-AE89-6C6A8DF92126",
              "versionEndIncluding": "5.61",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path."
    },
    {
      "lang": "es",
      "value": "En WinRAR, en versiones anteriores a la 5.61, hay una vulnerabilidad de salto de directorio al manipular el campo \"filename\" del formato ACE (en UNACEV2.dll). Cuando este campo se manipula con patrones espec\u00edficos, la carpeta de destino (extracci\u00f3n) se ignora, tratando el nombre de archivo como ruta absoluta."
    }
  ],
  "id": "CVE-2018-20250",
  "lastModified": "2025-10-31T22:07:10.597",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2019-02-05T20:29:00.243",
  "references": [
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/106948"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/blau72/CVE-2018-20250-WinRAR-ACE"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Exploit",
        "Press/Media Coverage",
        "Third Party Advisory"
      ],
      "url": "https://research.checkpoint.com/extracting-code-execution-from-winrar/"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://www.exploit-db.com/exploits/46552/"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://www.exploit-db.com/exploits/46756/"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://www.win-rar.com/whatsnew.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/152618/RARLAB-WinRAR-ACE-Format-Input-Validation-Remote-Code-Execution.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.rapid7.com/db/modules/exploit/windows/fileformat/winrar_ace"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/106948"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/blau72/CVE-2018-20250-WinRAR-ACE"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Press/Media Coverage",
        "Third Party Advisory"
      ],
      "url": "https://research.checkpoint.com/extracting-code-execution-from-winrar/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://www.exploit-db.com/exploits/46552/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://www.exploit-db.com/exploits/46756/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://www.win-rar.com/whatsnew.html"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20250"
    }
  ],
  "sourceIdentifier": "cve@checkpoint.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-36"
        }
      ],
      "source": "cve@checkpoint.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.