{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2018-5996","sourceIdentifier":"cve@mitre.org","published":"2018-01-31T18:29:00.363","lastModified":"2026-06-17T02:01:08.090","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive."},{"lang":"es","value":"Una gestión insuficiente de excepciones en el método NCompress::NRar3::CDecoder::Code en 7-Zip, en versiones anteriores a la 18.00, y en p7zip puede conducir a múltiples corrupciones de memoria en el código PPMd, permitir que atacantes remotos provoquen una denegación de servicio (fallo de segmentación) o ejecutar código arbitrario mediante un archivo RAR manipulado."}],"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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"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:7-zip:7-zip:*:*:*:*:*:*:*:*","versionEndExcluding":"18.00","matchCriteriaId":"29DB1D61-48E4-4483-8CEE-2A65324FF0AB"},{"vulnerable":true,"criteria":"cpe:2.3:a:7-zip:p7zip:*:*:*:*:*:*:*:*","versionEndExcluding":"18.0","matchCriteriaId":"0B541E55-DEFD-4595-BE62-003F52D39F32"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*","matchCriteriaId":"16F59A04-14CF-49E2-9973-645477EA09DA"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","matchCriteriaId":"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252"}]}]}],"references":[{"url":"http://www.securitytracker.com/id/1040831","source":"cve@mitre.org"},{"url":"https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html","source":"cve@mitre.org"},{"url":"https://github.com/p7zip-project/p7zip/issues/32","source":"cve@mitre.org"},{"url":"https://github.com/p7zip-project/p7zip/issues/8","source":"cve@mitre.org"},{"url":"https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/","source":"cve@mitre.org","tags":["Exploit","Technical Description","Third Party Advisory"]},{"url":"http://www.securitytracker.com/id/1040831","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Technical Description","Third Party Advisory"]}]}}