CVE-2021-25633

{"containers": {"cna": {"affected": [{"product": "LibreOffice", "vendor": "The Document Foundation", "versions": [{"lessThan": "7.0.6", "status": "affected", "version": "7-0", "versionType": "custom"}, {"lessThan": "7.1.2", "status": "affected", "version": "7-1", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "NDS of Ruhr University Bochum"}], "datePublic": "2021-10-11T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to create a digitally signed ODF document, by manipulating the documentsignatures.xml or macrosignatures.xml stream within the document to combine multiple certificate data, which when opened caused LibreOffice to display a validly signed indicator but whose content was unrelated to the signature shown. This issue affects: The Document Foundation LibreOffice 7-0 versions prior to 7.0.6; 7-1 versions prior to 7.1.2."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-295", "description": "CWE-295 Improper Certificate Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-17T10:06:21.000Z", "orgId": "4fe7d05b-1353-44cc-8b7a-1e416936dff2", "shortName": "Document Fdn."}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25633"}, {"name": "DSA-4988", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2021/dsa-4988"}], "solutions": [{"lang": "en", "value": "Update to 7.0.6 or 7.1.2 or 7.2.0"}], "source": {"discovery": "EXTERNAL"}, "title": "Content Manipulation with Double Certificate Attack", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@documentfoundation.org", "DATE_PUBLIC": "2021-10-11T00:00:00.000Z", "ID": "CVE-2021-25633", "STATE": "PUBLIC", "TITLE": "Content Manipulation with Double Certificate Attack"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "LibreOffice", "version": {"version_data": [{"version_affected": "<", "version_name": "7-0", "version_value": "7.0.6"}, {"version_affected": "<", "version_name": "7-1", "version_value": "7.1.2"}]}}]}, "vendor_name": "The Document Foundation"}]}}, "credit": [{"lang": "eng", "value": "NDS of Ruhr University Bochum"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to create a digitally signed ODF document, by manipulating the documentsignatures.xml or macrosignatures.xml stream within the document to combine multiple certificate data, which when opened caused LibreOffice to display a validly signed indicator but whose content was unrelated to the signature shown. This issue affects: The Document Foundation LibreOffice 7-0 versions prior to 7.0.6; 7-1 versions prior to 7.1.2."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-295 Improper Certificate Validation"}]}]}, "references": {"reference_data": [{"name": "https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25633", "refsource": "MISC", "url": "https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25633"}, {"name": "DSA-4988", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2021/dsa-4988"}]}, "solution": [{"lang": "en", "value": "Update to 7.0.6 or 7.1.2 or 7.2.0"}], "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:11:27.676Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25633"}, {"name": "DSA-4988", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2021/dsa-4988"}]}]}, "cveMetadata": {"assignerOrgId": "4fe7d05b-1353-44cc-8b7a-1e416936dff2", "assignerShortName": "Document Fdn.", "cveId": "CVE-2021-25633", "datePublished": "2021-10-11T16:43:34.400Z", "dateReserved": "2021-01-19T00:00:00.000Z", "dateUpdated": "2024-09-16T18:28:34.730Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "LibreOffice", "vendor": "The Document Foundation", "versions": [{"lessThan": "7.0.6", "status": "affected", "version": "7-0", "versionType": "custom"}, {"lessThan": "7.1.2", "status": "affected", "version": "7-1", "versionType": "custom"}]}], "source": "security@documentfoundation.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*", "matchCriteriaId": "7CF22E51-8E68-4B58-8AB3-D326C1097E3E", "versionEndExcluding": "7.0.6", "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"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to create a digitally signed ODF document, by manipulating the documentsignatures.xml or macrosignatures.xml stream within the document to combine multiple certificate data, which when opened caused LibreOffice to display a validly signed indicator but whose content was unrelated to the signature shown. This issue affects: The Document Foundation LibreOffice 7-0 versions prior to 7.0.6; 7-1 versions prior to 7.1.2."}, {"lang": "es", "value": "LibreOffice soporta firmas digitales de documentos ODF y macros dentro de documentos, presentando ayudas visuales de que no se ha producido ninguna alteraci\u00f3n del documento desde la \u00faltima firma y que la firma es v\u00e1lida. Una vulnerabilidad de Comprobaci\u00f3n Inapropiada de Certificados en LibreOffice permit\u00eda a un atacante crear un documento ODF firmado digitalmente, al manipular el flujo documentsignatures.xml o macrosignatures.xml dentro del documento para combinar m\u00faltiples datos de certificados, que cuando se abr\u00eda causaba que LibreOffice mostrara un indicador firmado v\u00e1lidamente pero cuyo contenido no estaba relacionado con la firma mostrada. Este problema afecta a: versiones de LibreOffice 7-0 de The Document Foundation anteriores a la 7.0.6; versiones 7-1 anteriores a 7.1.2"}], "id": "CVE-2021-25633", "lastModified": "2026-06-17T03:42:15.200", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-11T17:15:07.590", "references": [{"source": "security@documentfoundation.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4988"}, {"source": "security@documentfoundation.org", "tags": ["Vendor Advisory"], "url": "https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25633"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4988"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25633"}], "sourceIdentifier": "security@documentfoundation.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "security@documentfoundation.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-295"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:1766", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "libreoffice-1:6.4.7.2-10.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-05-10T00:00:00Z"}], "bugzilla": {"description": "libreoffice: Content Manipulation with Double Certificate Attack", "id": "2013135", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2013135"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "status": "verified"}, "cwe": "CWE-295", "details": ["LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to create a digitally signed ODF document, by manipulating the documentsignatures.xml or macrosignatures.xml stream within the document to combine multiple certificate data, which when opened caused LibreOffice to display a validly signed indicator but whose content was unrelated to the signature shown. This issue affects: The Document Foundation LibreOffice 7-0 versions prior to 7.0.6; 7-1 versions prior to 7.1.2.", "LibreOffice improperly validated signatures which by manipulation of signatures xml files allowed for multiple certificate data to be combined and led to the ability to show content as validly signed even if it was not content related to the signature"], "name": "CVE-2021-25633", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libreoffice", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libreoffice", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "libreoffice:flatpak/libreoffice", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "libreoffice", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-10-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-25633\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-25633\nhttps://www.libreoffice.org/about-us/security/advisories/CVE-2021-25633"], "threat_severity": "Moderate"}

{}