Show plain JSON{"id": "CVE-2012-4559", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}]}, "published": "2012-11-30T22:55:01.643", "references": [{"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093313.html", "source": "secalert@redhat.com"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093474.html", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00002.html", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-updates/2012-12/msg00016.html", "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-updates/2013-01/msg00021.html", "source": "secalert@redhat.com"}, {"url": "http://www.debian.org/security/2012/dsa-2577", "source": "secalert@redhat.com"}, {"url": "http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:175", "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2012/11/20/3", "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/56604", "source": "secalert@redhat.com"}, {"url": "http://www.ubuntu.com/usn/USN-1640-1", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=871612", "source": "secalert@redhat.com"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80218", "source": "secalert@redhat.com"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093313.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093474.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00002.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-updates/2012-12/msg00016.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-updates/2013-01/msg00021.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2012/dsa-2577", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:175", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2012/11/20/3", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/56604", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-1640-1", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=871612", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80218", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-399"}]}], "descriptions": [{"lang": "en", "value": "Multiple double free vulnerabilities in the (1) agent_sign_data function in agent.c, (2) channel_request function in channels.c, (3) ssh_userauth_pubkey function in auth.c, (4) sftp_parse_attr_3 function in sftp.c, and (5) try_publickey_from_file function in keyfiles.c in libssh before 0.5.3 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors."}, {"lang": "es", "value": "M\u00faltiples vulnerabilidades de doble liberaci\u00f3n en las funciones (1) agent_sign_data en agent.c, (2) channel_request en channels.c, (3) ssh_userauth_pubkey en auth.c, (4) sftp_parse_attr_3 en sftp.c, y (5) try_publickey_from_file en keyfiles.c en libssh antes de v0.5.3 permiten a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) y posiblemente ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de vectores no especificados.\r\n"}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5C70E449-A62A-4670-8786-093A915EF07C", "versionEndIncluding": "0.5.2"}, {"criteria": "cpe:2.3:a:libssh:libssh:0.4.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA0F1552-63D8-4E97-A44A-EF55E8A330B7"}, {"criteria": "cpe:2.3:a:libssh:libssh:0.4.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6514D889-F87F-44D1-9C7B-5BE75676DCFF"}, {"criteria": "cpe:2.3:a:libssh:libssh:0.5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A80094C5-1273-43AB-9E1E-096D8B0A60BB"}, {"criteria": "cpe:2.3:a:libssh:libssh:0.5.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CF67514C-3240-42A4-9996-21E855104C59"}, {"criteria": "cpe:2.3:a:libssh:libssh:0.5.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7BBD0BC3-2467-414E-BD82-2A5778B810F9"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"} 