CVE-2021-42762

{"id": "CVE-2021-42762", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 1.8}]}, "published": "2021-10-20T19:15:07.637", "references": [{"url": "http://www.openwall.com/lists/oss-security/2021/10/26/9", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2021/10/27/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2021/10/27/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2021/10/27/4", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugs.webkit.org/show_bug.cgi?id=231479", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/", "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M5J2LZQTDX53DNSKSGU7TQYCO2HKSTY4/", "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/", "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2021/dsa-4995", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2021/dsa-4996", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2021/10/26/9", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2021/10/27/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2021/10/27/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2021/10/27/4", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugs.webkit.org/show_bug.cgi?id=231479", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M5J2LZQTDX53DNSKSGU7TQYCO2HKSTY4/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2021/dsa-4995", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2021/dsa-4996", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "BubblewrapLauncher.cpp in WebKitGTK and WPE WebKit before 2.34.1 allows a limited sandbox bypass that allows a sandboxed process to trick host processes into thinking the sandboxed process is not confined by the sandbox, by abusing VFS syscalls that manipulate its filesystem namespace. The impact is limited to host services that create UNIX sockets that WebKit mounts inside its sandbox, and the sandboxed process remains otherwise confined. NOTE: this is similar to CVE-2021-41133."}, {"lang": "es", "value": "El archivo BubblewrapLauncher.cpp en WebKitGTK y WPE WebKit versiones anteriores a 2.34.1, permite una omisi\u00f3n limitada del sandbox que permite a un proceso con sandbox enga\u00f1ar a procesos anfitriones para que piensen que el proceso con sandbox no est\u00e1 confinado por la sandbox, al abusar de las llamadas al sistema VFS que manipulan su espacio de nombres del sistema de archivos. El impacto se limita a servicios de host que crean sockets UNIX que WebKit monta dentro de su sandbox, y el proceso con sandbox permanece confinado de otra manera. NOTA: esto es similar a CVE-2021-41133"}], "lastModified": "2024-11-21T06:28:07.307", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1B7B5DC2-E890-4705-B7F2-8B3DA3835E94", "versionEndExcluding": "2.34.1"}, {"criteria": "cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "263D8FF8-E260-4210-81B5-55104F5DC1C3", "versionEndExcluding": "2.34.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}