CVE-2021-25631
Vulnerability from cvelistv5
Published
2021-05-03 11:10
Modified
2024-09-16 17:08
Severity ?
Summary
denylist of executable filename extensions possible to bypass under windows
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
Impacted products
The Document FoundationLibreOffice
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:11:27.645Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://positive.security/blog/url-open-rce#open-libreoffice"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "Windows"
          ],
          "product": "LibreOffice",
          "vendor": "The Document Foundation",
          "versions": [
            {
              "lessThan": "7.1.2",
              "status": "affected",
              "version": "7.1",
              "versionType": "custom"
            },
            {
              "lessThan": "7.0.5",
              "status": "affected",
              "version": "7.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Lukas Euler of Positive Security"
        }
      ],
      "datePublic": "2021-04-15T00:00:00",
      "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-184",
              "description": "CWE-184 Incomplete Denylist",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-03T11:10:33",
        "orgId": "4fe7d05b-1353-44cc-8b7a-1e416936dff2",
        "shortName": "Document Fdn."
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://positive.security/blog/url-open-rce#open-libreoffice"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "denylist of executable filename extensions possible to bypass under windows",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@documentfoundation.org",
          "DATE_PUBLIC": "2021-04-15T00:00:00.000Z",
          "ID": "CVE-2021-25631",
          "STATE": "PUBLIC",
          "TITLE": "denylist of executable filename extensions possible to bypass under windows"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "LibreOffice",
                      "version": {
                        "version_data": [
                          {
                            "platform": "Windows",
                            "version_affected": "\u003c",
                            "version_name": "7.1",
                            "version_value": "7.1.2"
                          },
                          {
                            "platform": "Windows",
                            "version_affected": "\u003c",
                            "version_name": "7.0",
                            "version_value": "7.0.5"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "The Document Foundation"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Lukas Euler of Positive Security"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-184 Incomplete Denylist"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://positive.security/blog/url-open-rce#open-libreoffice",
              "refsource": "MISC",
              "url": "https://positive.security/blog/url-open-rce#open-libreoffice"
            },
            {
              "name": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/",
              "refsource": "MISC",
              "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "4fe7d05b-1353-44cc-8b7a-1e416936dff2",
    "assignerShortName": "Document Fdn.",
    "cveId": "CVE-2021-25631",
    "datePublished": "2021-05-03T11:10:33.079682Z",
    "dateReserved": "2021-01-19T00:00:00",
    "dateUpdated": "2024-09-16T17:08:37.634Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-25631\",\"sourceIdentifier\":\"security@documentfoundation.org\",\"published\":\"2021-05-03T12:15:07.417\",\"lastModified\":\"2021-05-12T18:58:47.843\",\"vulnStatus\":\"Analyzed\",\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:C/I:C/A:C\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":9.3},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.6,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]},{\"source\":\"security@documentfoundation.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-184\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.0.0\",\"versionEndExcluding\":\"7.0.5\",\"matchCriteriaId\":\"37496EEC-C63C-46DE-92F2-A29DECF95EE2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.1.0\",\"versionEndExcluding\":\"7.1.2\",\"matchCriteriaId\":\"BA884385-2527-4F68-9FD5-67ECD9A89F42\"}]}]}],\"references\":[{\"url\":\"https://positive.security/blog/url-open-rce#open-libreoffice\",\"source\":\"security@documentfoundation.org\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/\",\"source\":\"security@documentfoundation.org\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


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 seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.