{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2017-6542","sourceIdentifier":"cve@mitre.org","published":"2017-03-27T17:59:00.850","lastModified":"2026-06-17T01:22:32.247","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overflow."},{"lang":"es","value":"La función ssh_agent_channel_data en PuTTY en versiones anteriores a 0.68 permite a atacantes remotos tener un impacto no especificado a través de un valor de longitud grande en un mensaje de protocolo de agente y aprovechando la capacidad para conectarse al socket de Unix-domain que representa la conexión de agente reenviada, lo que desencadena un desbordamiento de búfer."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":true,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-119"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*","versionEndIncluding":"0.67","matchCriteriaId":"8A6D4089-DA56-48A4-8DCB-966EF35CB399"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*","matchCriteriaId":"1EA337A3-B9A3-4962-B8BD-8E0C7C5B28EB"},{"vulnerable":true,"criteria":"cpe:2.3:o:opensuse_project:leap:42.1:*:*:*:*:*:*:*","matchCriteriaId":"CF605E46-ADCE-45B3-BBBA-E593D3CEE2A6"}]}]}],"references":[{"url":"http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html","source":"cve@mitre.org","tags":["Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/97156","source":"cve@mitre.org","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1038067","source":"cve@mitre.org"},{"url":"https://git.tartarus.org/?p=simon/putty.git%3Ba=commitdiff%3Bh=4ff22863d895cb7ebfced4cf923a012a614adaa8","source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201703-03","source":"cve@mitre.org","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://security.gentoo.org/glsa/201706-09","source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/42137/","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/97156","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1038067","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.tartarus.org/?p=simon/putty.git%3Ba=commitdiff%3Bh=4ff22863d895cb7ebfced4cf923a012a614adaa8","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201703-03","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://security.gentoo.org/glsa/201706-09","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/42137/","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}