{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2013-08-05T00:00:00", "descriptions": [{"lang": "en", "value": "Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) and possibly trigger memory corruption or code execution via a crafted DSA signature, which is not properly handled when performing certain bit-shifting operations during modular multiplication."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2013-08-30T09:00:00", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "[oss-security] 20130806 CVE request: three additional flaws fixed in putty 0.63", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2013/08/06/11"}, {"name": "54533", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/54533"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-modmul.html"}, {"name": "DSA-2736", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2013/dsa-2736"}, {"name": "openSUSE-SU-2013:1347", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html"}, {"name": "54379", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/54379"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://svn.tartarus.org/sgt/putty/sshbn.c?sortby=date&r1=9977&r2=9976&pathrev=9977"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2013-4206", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) and possibly trigger memory corruption or code execution via a crafted DSA signature, which is not properly handled when performing certain bit-shifting operations during modular multiplication."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[oss-security] 20130806 CVE request: three additional flaws fixed in putty 0.63", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2013/08/06/11"}, {"name": "54533", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/54533"}, {"name": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-modmul.html", "refsource": "CONFIRM", "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-modmul.html"}, {"name": "DSA-2736", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2013/dsa-2736"}, {"name": "openSUSE-SU-2013:1347", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html"}, {"name": "54379", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/54379"}, {"name": "http://svn.tartarus.org/sgt/putty/sshbn.c?sortby=date&r1=9977&r2=9976&pathrev=9977", "refsource": "CONFIRM", "url": "http://svn.tartarus.org/sgt/putty/sshbn.c?sortby=date&r1=9977&r2=9976&pathrev=9977"}]}}}}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2013-4206", "datePublished": "2013-08-19T23:00:00", "dateReserved": "2013-06-12T00:00:00", "dateUpdated": "2013-08-30T09:00:00", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:putty:putty:0.45:*:*:*:*:*:*:*", "matchCriteriaId": "5D5EB349-B1DF-4CF5-9468-37DC66A929C3", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.46:*:*:*:*:*:*:*", "matchCriteriaId": "CF223411-6FA4-43EC-8668-7DB4A98E4DEA", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.47:*:*:*:*:*:*:*", "matchCriteriaId": "D0E87C56-DFD9-45D9-9169-3BB94F647F15", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.48:*:*:*:*:*:*:*", "matchCriteriaId": "1283B462-042C-4857-A700-4179AAE20E2F", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.49:*:*:*:*:*:*:*", "matchCriteriaId": "2791C9DD-F55D-4683-85AF-B6814C34EFBF", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.50:*:*:*:*:*:*:*", "matchCriteriaId": "6D7582C1-AA8E-41E4-9D69-9A18A5B76CB0", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.51:*:*:*:*:*:*:*", "matchCriteriaId": "FC082AE0-C49D-4944-BE76-B751DAD1EF84", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.52:*:*:*:*:*:*:*", "matchCriteriaId": "23BAD8E4-2D3A-45EE-A25D-77BD698119BB", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.53b:*:*:*:*:*:*:*", "matchCriteriaId": "8F7716EC-E0F9-4E50-8351-35D2F248B380", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.54:*:*:*:*:*:*:*", "matchCriteriaId": "46C2BD4D-9817-459E-ACF4-9C95233200A2", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.55:*:*:*:*:*:*:*", "matchCriteriaId": "22EE5957-76F3-4B20-ADE7-E72D1300A3F0", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.56:*:*:*:*:*:*:*", "matchCriteriaId": "826FA7E4-7F48-4D1C-856C-A965527B0950", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.57:*:*:*:*:*:*:*", "matchCriteriaId": "AA54ADC7-2A36-40DA-8219-DAA31509E534", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.58:*:*:*:*:*:*:*", "matchCriteriaId": "1A14381E-91A1-4902-B409-1281CFA2D561", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.59:*:*:*:*:*:*:*", "matchCriteriaId": "8B33EB10-535F-42F2-8F78-CE128A89447C", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.60:*:*:*:*:*:*:*", "matchCriteriaId": "218F9EAF-C260-43EC-99C4-EFACA9A1DA8D", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:0.61:*:*:*:*:*:*:*", "matchCriteriaId": "5966235B-2F1A-45C5-AF65-99FFFE4725DF", "vulnerable": true}, {"criteria": "cpe:2.3:a:putty:putty:2010-06-01:r8967:*:*:development_snapshot:*:*:*", "matchCriteriaId": "820B9CC0-2A18-4357-B01F-565A0E35E275", "vulnerable": true}, {"criteria": "cpe:2.3:a:simon_tatham:putty:*:*:*:*:*:*:*:*", "matchCriteriaId": "3A8E4288-5CEA-42F3-BF6A-FE7D78C907C0", "versionEndIncluding": "0.62", "vulnerable": true}, {"criteria": "cpe:2.3:a:simon_tatham:putty:0.53:*:*:*:*:*:*:*", "matchCriteriaId": "129133D1-B374-4743-9F52-27D0A9558D17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) and possibly trigger memory corruption or code execution via a crafted DSA signature, which is not properly handled when performing certain bit-shifting operations during modular multiplication."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer basado en memoria din\u00e1mica en la funci\u00f3n modmul en sshbn.c en PuTTY 0.62 y anteriores, permite a servidores SSH remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) y posiblemente causar una corrupci\u00f3n de memoria o ejecuci\u00f3n de c\u00f3digo a trav\u00e9s de una firma DSA manipulada que no es manejada adecuadamente cuando se realizan determinadas operaciones de bit-shifting durante una multiplicaci\u00f3n modular."}], "id": "CVE-2013-4206", "lastModified": "2021-08-06T16:58:10.337", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-08-19T23:55:08.723", "references": [{"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/54379"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/54533"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://svn.tartarus.org/sgt/putty/sshbn.c?sortby=date&r1=9977&r2=9976&pathrev=9977"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-modmul.html"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2013/dsa-2736"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2013/08/06/11"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}