CVE-2017-11171

{"id": "CVE-2017-11171", "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}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/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": "2017-07-11T20:29:00.267", "references": [{"url": "https://bugzilla.suse.com/show_bug.cgi?id=1025068", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/GNOME/gnome-session/commit/b0dc999e0b45355314616321dbb6cb71e729fc9d", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugzilla.suse.com/show_bug.cgi?id=1025068", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/GNOME/gnome-session/commit/b0dc999e0b45355314616321dbb6cb71e729fc9d", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-835"}]}], "descriptions": [{"lang": "en", "value": "Bad reference counting in the context of accept_ice_connection() in gsm-xsmp-server.c in old versions of gnome-session up until version 2.29.92 allows a local attacker to establish ICE connections to gnome-session with invalid authentication data (an invalid magic cookie). Each failed authentication attempt will leak a file descriptor in gnome-session. When the maximum number of file descriptors is exhausted in the gnome-session process, it will enter an infinite loop trying to communicate without success, consuming 100% of the CPU. The graphical session associated with the gnome-session process will stop working correctly, because communication with gnome-session is no longer possible."}, {"lang": "es", "value": "Un mal conteo de referencias en el contexto de la funci\u00f3n accept_ice_connection() en el archivo gsm-xsmp-server.c en versiones anteriores de gnome-session hasta la versi\u00f3n 2.29.92, permite a un atacante local establecer conexiones ICE en gnome-session con datos de autenticaci\u00f3n no v\u00e1lidos (cookie magic no v\u00e1lida). Cada intento de autenticaci\u00f3n fallido filtrar\u00e1 un descriptor de archivo en gnome-session. Cuando se agote el n\u00famero m\u00e1ximo de descriptores de archivo en el proceso de gnome-session, entrar\u00e1 en un bucle infinito intentando comunicarse sin \u00e9xito, consumiendo el 100% de la CPU. La sesi\u00f3n gr\u00e1fica asociada con el proceso de gnome-session dejar\u00e1 de funcionar correctamente, porque ya no es posible la comunicaci\u00f3n con gnome-session."}], "lastModified": "2024-11-21T03:07:15.207", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnome:gnome-session:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "71BA08C3-D836-4FB1-98D3-1F31FEE15C77", "versionEndIncluding": "2.29.92"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}