{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2021-41159","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","dateUpdated":"2024-08-04T02:59:31.631Z","dateReserved":"2021-09-15T00:00:00.000Z","datePublished":"2021-10-21T00:00:00.000Z"},"containers":{"cna":{"title":"Improper client input validation for FreeRDP gateway connections allows to overwrite memory","providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2022-10-31T00:00:00.000Z"},"descriptions":[{"lang":"en","value":"FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. All FreeRDP clients prior to version 2.4.1 using gateway connections (`/gt:rpc`) fail to validate input data. A malicious gateway might allow client memory to be written out of bounds. This issue has been resolved in version 2.4.1. If you are unable to update then use `/gt:http` rather than /gt:rdp connections if possible or use a direct connection without a gateway."}],"affected":[{"vendor":"FreeRDP","product":"FreeRDP","versions":[{"version":"< 2.4.1","status":"affected"}]}],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vh34-m9h7-95xq"},{"name":"FEDORA-2021-2c25f03d0b","tags":["vendor-advisory"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWJXQOWKNR7O5HM2HFJOM4GBUFPTE3RG/"},{"name":"GLSA-202210-24","tags":["vendor-advisory"],"url":"https://security.gentoo.org/glsa/202210-24"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":5.8,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-787: Out-of-bounds Write","cweId":"CWE-787"}]}],"source":{"advisory":"GHSA-vh34-m9h7-95xq","discovery":"UNKNOWN"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T02:59:31.631Z"},"title":"CVE Program Container","references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vh34-m9h7-95xq","tags":["x_transferred"]},{"name":"FEDORA-2021-2c25f03d0b","tags":["vendor-advisory","x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWJXQOWKNR7O5HM2HFJOM4GBUFPTE3RG/"},{"name":"GLSA-202210-24","tags":["vendor-advisory","x_transferred"],"url":"https://security.gentoo.org/glsa/202210-24"}]}]}}