{"id":"UBUNTU-CVE-2022-23478","details":"xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp \u003c v0.9.21 contain a Out of Bound Write in xrdp_mm_trans_process_drdynvc_channel_open() function. There are no known workarounds for this issue. Users are advised to upgrade.","modified":"2026-02-04T04:01:52.559933Z","published":"2022-12-09T18:15:00Z","related":["USN-6474-1"],"upstream":["CVE-2022-23478"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-23478"},{"type":"REPORT","url":"https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-2f49-wwpm-78pj"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6474-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-23478"}],"affected":[{"package":{"name":"xrdp","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/xrdp@0.9.12-1ubuntu0.1+esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.12-1ubuntu0.1+esm1"}]}],"versions":["0.9.9-1","0.9.12-1","0.9.12-1ubuntu0.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.9.12-1ubuntu0.1+esm1","binary_name":"xrdp"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-23478.json"}},{"package":{"name":"xrdp","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/xrdp@0.9.17-2ubuntu2+esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.17-2ubuntu2+esm1"}]}],"versions":["0.9.15-1ubuntu1","0.9.17-1","0.9.17-2","0.9.17-2ubuntu1","0.9.17-2ubuntu2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.9.17-2ubuntu2+esm1","binary_name":"xrdp"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-23478.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}