CVE-2012-4561

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2012-11-20T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The (1) publickey_make_dss, (2) publickey_make_rsa, (3) signature_from_string, (4) ssh_do_sign, and (5) ssh_sign_session_id functions in keys.c in libssh before 0.5.3 free \"an invalid pointer on an error path,\" which might allow remote attackers to cause a denial of service (crash) via unspecified vectors."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-08-28T12:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "DSA-2577", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2012/dsa-2577"}, {"name": "MDVSA-2012:175", "tags": ["vendor-advisory", "x_refsource_MANDRIVA"], "url": 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"http://www.ubuntu.com/usn/USN-1640-1"}, {"name": "openSUSE-SU-2013:0130", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-updates/2013-01/msg00021.html"}, {"name": "openSUSE-SU-2012:1622", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-updates/2012-12/msg00016.html"}, {"name": "FEDORA-2012-18610", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093313.html"}, {"name": "openSUSE-SU-2012:1620", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00002.html"}, {"name": "[oss-security] 20121120 libssh 0.5.3 release fixes multiple security issues", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2012/11/20/3"}, {"name": "libssh-multiple-dos(80220)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80220"}, {"name": "FEDORA-2012-18677", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093474.html"}, {"name": "56604", "refsource": "BID", "url": "http://www.securityfocus.com/bid/56604"}, {"name": "http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/", "refsource": "CONFIRM", "url": "http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T20:42:53.678Z"}, "title": "CVE Program Container", "references": [{"name": "DSA-2577", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2012/dsa-2577"}, {"name": "MDVSA-2012:175", "tags": ["vendor-advisory", "x_refsource_MANDRIVA", "x_transferred"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:175"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=871617"}, {"name": "USN-1640-1", 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"url": "http://www.openwall.com/lists/oss-security/2012/11/20/3"}, {"name": "libssh-multiple-dos(80220)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80220"}, {"name": "FEDORA-2012-18677", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093474.html"}, {"name": "56604", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/56604"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2012-4561", "datePublished": "2012-11-30T22:00:00.000Z", "dateReserved": "2012-08-21T00:00:00.000Z", "dateUpdated": "2024-08-06T20:42:53.678Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*", "matchCriteriaId": "5C70E449-A62A-4670-8786-093A915EF07C", "versionEndIncluding": "0.5.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:libssh:libssh:0.4.7:*:*:*:*:*:*:*", "matchCriteriaId": "EA0F1552-63D8-4E97-A44A-EF55E8A330B7", "vulnerable": true}, {"criteria": "cpe:2.3:a:libssh:libssh:0.4.8:*:*:*:*:*:*:*", "matchCriteriaId": "6514D889-F87F-44D1-9C7B-5BE75676DCFF", "vulnerable": true}, {"criteria": "cpe:2.3:a:libssh:libssh:0.5.0:*:*:*:*:*:*:*", "matchCriteriaId": "A80094C5-1273-43AB-9E1E-096D8B0A60BB", "vulnerable": true}, {"criteria": "cpe:2.3:a:libssh:libssh:0.5.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "CF67514C-3240-42A4-9996-21E855104C59", "vulnerable": true}, {"criteria": "cpe:2.3:a:libssh:libssh:0.5.1:*:*:*:*:*:*:*", "matchCriteriaId": "7BBD0BC3-2467-414E-BD82-2A5778B810F9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The (1) publickey_make_dss, (2) publickey_make_rsa, (3) signature_from_string, (4) ssh_do_sign, and (5) ssh_sign_session_id functions in keys.c in libssh before 0.5.3 free \"an invalid pointer on an error path,\" which might allow remote attackers to cause a denial of service (crash) via unspecified vectors."}, {"lang": "es", "value": "Las funciones (1) publickey_make_dss, (2) publickey_make_rsa, (3) signature_from_string, (4) ssh_do_sign y (5) ssh_sign_session_id en keys.c en libssh en versiones anteriores a la 0.5.3 liberan \"un puntero no v\u00e1lido en una ruta err\u00f3nea\", lo que podr\u00eda permitir a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de vectores no especificados."}], "id": "CVE-2012-4561", "lastModified": "2026-06-16T23:45:24.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-11-30T22:55:01.720", "references": [{"source": "secalert@redhat.com", "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": 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"http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/"}, {"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=871617"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/80220"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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