CVE-2011-5000

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{}

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"93910448-8D6F-4F7E-9C7F-959754ABA50D", "vulnerable": true}, {"criteria": "cpe:2.3:a:openbsd:openssh:5.4:*:*:*:*:*:*:*", "matchCriteriaId": "3356FDFD-BEA5-45A5-A36B-D1153AFE6C23", "vulnerable": true}, {"criteria": "cpe:2.3:a:openbsd:openssh:5.5:*:*:*:*:*:*:*", "matchCriteriaId": "9394B8AD-AB22-4955-8774-C6BA2B56A260", "vulnerable": true}, {"criteria": "cpe:2.3:a:openbsd:openssh:5.6:*:*:*:*:*:*:*", "matchCriteriaId": "0C5D4A9B-1194-4D63-AAC2-8701C890BB0D", "vulnerable": true}, {"criteria": "cpe:2.3:a:openbsd:openssh:5.7:*:*:*:*:*:*:*", "matchCriteriaId": "F75DB5AE-E99D-4827-B290-823E015AEE34", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ssh_gssapi_parse_ename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is enabled, allows remote authenticated users to cause a denial of service (memory consumption) via a large value in a certain length field. NOTE: there may be limited scenarios in which this issue is relevant."}, {"lang": "es", "value": "La funci\u00f3n de ssh_gssapi_parse_ename en GSS-serv.c en OpenSSH v5.8 y versiones anteriores, cuando gssapi-with-mic de autenticaci\u00f3n est\u00e1 activada, permite a usuarios remotos autenticados provocar una denegaci\u00f3n de servicio (excesivo consumo de memoria) a trav\u00e9s de un valor demasiado grande en un campo de longitud determinada. NOTA: puede haber escenarios limitados en el que este tema es relevante."}], "id": "CVE-2011-5000", "lastModified": "2026-06-16T23:35:45.470", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-04-05T14:55:03.590", "references": [{"source": "cve@mitre.org", "url": "http://rhn.redhat.com/errata/RHSA-2012-0884.html"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://seclists.org/fulldisclosure/2011/Aug/2"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://site.pi3.com.pl/adv/ssh_1.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2012-0884.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://seclists.org/fulldisclosure/2011/Aug/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://site.pi3.com.pl/adv/ssh_1.txt"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2012:0884", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "openssh-0:5.3p1-81.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-06-19T00:00:00Z"}], "bugzilla": {"description": "openssh: post-authentication resource exhaustion bug via GSSAPI", "id": "809938", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=809938"}, "csaw": false, "cvss": {"cvss_base_score": "3.5", "cvss_scoring_vector": "AV:N/AC:M/Au:S/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-400", "details": ["The ssh_gssapi_parse_ename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is enabled, allows remote authenticated users to cause a denial of service (memory consumption) via a large value in a certain length field. NOTE: there may be limited scenarios in which this issue is relevant."], "name": "CVE-2011-5000", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "openssh", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2011-08-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-5000\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-5000"], "threat_severity": "Low"}

{}