{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-26307", "assignerOrgId": "4fe7d05b-1353-44cc-8b7a-1e416936dff2", "assignerShortName": "Document Fdn.", "dateUpdated": "2023-03-26T00:00:00", "dateReserved": "2022-02-28T00:00:00", "datePublished": "2022-07-25T00:00:00"}, "containers": {"cna": {"title": "Weak Master Keys", "providerMetadata": {"orgId": "4fe7d05b-1353-44cc-8b7a-1e416936dff2", "shortName": "Document Fdn.", "dateUpdated": "2023-03-26T00:00:00"}, "descriptions": [{"lang": "en", "value": "LibreOffice supports the storage of passwords for web connections in the user\u2019s configuration database. The stored passwords are encrypted with a single master key provided by the user. A flaw in LibreOffice existed where master key was poorly encoded resulting in weakening its entropy from 128 to 43 bits making the stored passwords vulerable to a brute force attack if an attacker has access to the users stored config. This issue affects: The Document Foundation LibreOffice 7.2 versions prior to 7.2.7; 7.3 versions prior to 7.3.3."}], "affected": [{"vendor": "The Document Foundation", "product": "LibreOffice", "versions": [{"version": "7.2", "status": "affected", "lessThan": "7.2.7", "versionType": "custom"}, {"version": "7.3", "status": "affected", "lessThan": "7.3.3", "versionType": "custom"}]}], "references": [{"url": "https://www.libreoffice.org/about-us/security/advisories/cve-2022-26307"}, {"name": "[oss-security] 20220812 CVE-2022-37401: Apache OpenOffice Weak Master Keys", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/08/13/2"}, {"name": "[debian-lts-announce] 20230326 [SECURITY] [DLA 3368-1] libreoffice security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00022.html"}], "credits": [{"lang": "en", "value": "OpenSource Security GmbH on behalf of the German Federal Office for Information Security"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-326 Inadequate Encryption Strength", "cweId": "CWE-326"}]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "source": {"discovery": "EXTERNAL"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*", "matchCriteriaId": "20BCBB73-64D6-44F0-8B7F-F94269E9EEDA", "versionEndExcluding": "7.2.7", "versionStartIncluding": "7.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1452E9B-C09C-4BF4-AE1F-C3AF6698BC33", "versionEndExcluding": "7.3.3", "versionStartIncluding": "7.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "LibreOffice supports the storage of passwords for web connections in the user\u2019s configuration database. The stored passwords are encrypted with a single master key provided by the user. A flaw in LibreOffice existed where master key was poorly encoded resulting in weakening its entropy from 128 to 43 bits making the stored passwords vulerable to a brute force attack if an attacker has access to the users stored config. This issue affects: The Document Foundation LibreOffice 7.2 versions prior to 7.2.7; 7.3 versions prior to 7.3.3."}, {"lang": "es", "value": "LibreOffice admite el almacenamiento de contrase\u00f1as para conexiones web en la base de datos de configuraci\u00f3n del usuario. Las contrase\u00f1as almacenadas son cifradas con una \u00fanica clave maestra proporcionada por el usuario. Se presentaba un fallo en LibreOffice en el que la clave maestra estaba codificada inapropiadamente resultando en un debilitamiento de su entrop\u00eda de 128 a 43 bits haciendo que las contrase\u00f1as almacenadas sean vulnerables a un ataque de fuerza bruta si un atacante presenta acceso a la configuraci\u00f3n almacenada del usuario. Este problema afecta a: The Document Foundation LibreOffice versiones 7.2 anteriores a 7.2.7; versiones 7.3 anteriores a 7.3.3"}], "id": "CVE-2022-26307", "lastModified": "2023-07-11T14:35:45.547", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-07-25T15:15:09.410", "references": [{"source": "security@documentfoundation.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/08/13/2"}, {"source": "security@documentfoundation.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00022.html"}, {"source": "security@documentfoundation.org", "tags": ["Vendor Advisory"], "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2022-26307"}], "sourceIdentifier": "security@documentfoundation.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-326"}], "source": "security@documentfoundation.org", "type": "Secondary"}]}

{}