CVE-2020-12049

{"id": "CVE-2020-12049", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "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": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2020-06-08T17:15:09.910", "references": [{"url": "http://packetstormsecurity.com/files/172840/D-Bus-File-Descriptor-Leak-Denial-Of-Service.html", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2020/06/04/3", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/issues/294", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.10.30", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.12.18", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.13.16", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/202007-46", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://securitylab.github.com/advisories/GHSL-2020-057-DBus-DoS-file-descriptor-leak", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4398-1/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4398-2/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://packetstormsecurity.com/files/172840/D-Bus-File-Descriptor-Leak-Denial-Of-Service.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2020/06/04/3", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/issues/294", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.10.30", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.12.18", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.freedesktop.org/dbus/dbus/-/tags/dbus-1.13.16", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/202007-46", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://securitylab.github.com/advisories/GHSL-2020-057-DBus-DoS-file-descriptor-leak", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4398-1/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4398-2/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-404"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in dbus >= 1.3.0 before 1.12.18. The DBusServer in libdbus, as used in dbus-daemon, leaks file descriptors when a message exceeds the per-message file descriptor limit. A local attacker with access to the D-Bus system bus or another system service's private AF_UNIX socket could use this to make the system service reach its file descriptor limit, denying service to subsequent D-Bus clients."}, {"lang": "es", "value": "Se detect\u00f3 un problema en dbus versiones posteriores a 1.3.0 e incluy\u00e9ndola y anteriores a 1.12.18. El DBusServer en libdbus, como es usado en dbus-daemon, filtra los descriptores de archivo cuando un mensaje excede el l\u00edmite del descriptor de archivo por mensaje. Un atacante local con acceso al bus del sistema D-Bus o al socket AF_UNIX privado de otro servicio del sistema podr\u00eda utilizar esto para hacer que el servicio del sistema alcance su l\u00edmite del descriptor de archivos, negando el servicio a los clientes posteriores de D-Bus"}], "lastModified": "2024-11-21T04:59:10.813", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:freedesktop:dbus:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DAA98B8-A6E1-4233-9A80-7963ED2FBC01", "versionEndExcluding": "1.12.18", "versionStartIncluding": "1.3.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1F3EFED2-F6BC-46D9-AB22-D5ED87EF4549"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "vulnerable": true, "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}