FKIE_CVE-2021-25631

Vulnerability from fkie_nvd - Published: 2021-05-03 12:15 - Updated: 2024-11-21 05:55
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn't match the denylist but results in ShellExecute attempting to launch an executable type.
References
security@documentfoundation.orghttps://positive.security/blog/url-open-rce#open-libreofficeExploit, Third Party Advisory
security@documentfoundation.orghttps://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://positive.security/blog/url-open-rce#open-libreofficeExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/Vendor Advisory
Impacted products
Vendor Product Version
libreoffice libreoffice *
libreoffice libreoffice *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "37496EEC-C63C-46DE-92F2-A29DECF95EE2",
              "versionEndExcluding": "7.0.5",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BA884385-2527-4F68-9FD5-67ECD9A89F42",
              "versionEndExcluding": "7.1.2",
              "versionStartIncluding": "7.1.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn\u0027t match the denylist but results in ShellExecute attempting to launch an executable type."
    },
    {
      "lang": "es",
      "value": "En la serie LibreOffice 7-1 en versiones anteriores a 7.1.2, y en la serie 7-0 en versiones anteriores a 7.0.5, la denylist puede ser omitida al manipular el enlace para que no coincida con la denylist pero resulte en ShellExecute intentando iniciar un tipo ejecutable."
    }
  ],
  "id": "CVE-2021-25631",
  "lastModified": "2024-11-21T05:55:10.970",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.3,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-05-03T12:15:07.417",
  "references": [
    {
      "source": "security@documentfoundation.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://positive.security/blog/url-open-rce#open-libreoffice"
    },
    {
      "source": "security@documentfoundation.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://positive.security/blog/url-open-rce#open-libreoffice"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/"
    }
  ],
  "sourceIdentifier": "security@documentfoundation.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-184"
        }
      ],
      "source": "security@documentfoundation.org",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "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.