{"id":"USN-6738-1","summary":"lxd vulnerability","details":"Fabian Bäumer, Marcus Brinkmann, and Jörg Schwenk discovered that LXD\nincorrectly handled the handshake phase and the use of sequence numbers in SSH\nBinary Packet Protocol (BPP). If a user or an automated system were tricked\ninto opening a specially crafted input file, a remote attacker could possibly\nuse this issue to bypass integrity checks.\n","modified":"2026-02-10T04:43:40Z","published":"2024-04-22T09:47:43Z","related":["UBUNTU-CVE-2023-48795"],"upstream":["CVE-2023-48795","UBUNTU-CVE-2023-48795"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6738-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-48795"}],"affected":[{"package":{"name":"lxd","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/lxd@2.0.11-0ubuntu1~16.04.4+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.11-0ubuntu1~16.04.4+esm1"}]}],"versions":["0.20-0ubuntu4","0.21-0ubuntu3","0.21-0ubuntu5","0.22-0ubuntu1","0.22-0ubuntu2","0.23-0ubuntu1","0.23-0ubuntu2","0.23-0ubuntu3","0.24-0ubuntu2","0.24-0ubuntu3","0.24-0ubuntu4","0.25-0ubuntu1","0.26-0ubuntu2","0.26-0ubuntu3","0.27-0ubuntu1","0.27-0ubuntu2","2.0.0~beta1-0ubuntu3","2.0.0~beta1-0ubuntu4","2.0.0~beta2-0ubuntu1","2.0.0~beta2-0ubuntu2","2.0.0~beta3-0ubuntu1","2.0.0~beta3-0ubuntu2","2.0.0~beta3-0ubuntu3","2.0.0~beta3-0ubuntu4","2.0.0~beta4-0ubuntu1","2.0.0~beta4-0ubuntu2","2.0.0~beta4-0ubuntu3","2.0.0~beta4-0ubuntu4","2.0.0~beta4-0ubuntu5","2.0.0~beta4-0ubuntu6","2.0.0~beta4-0ubuntu7","2.0.0~rc1-0ubuntu1","2.0.0~rc1-0ubuntu2","2.0.0~rc1-0ubuntu3","2.0.0~rc2-0ubuntu2","2.0.0~rc2-0ubuntu3","2.0.0~rc3-0ubuntu1","2.0.0~rc3-0ubuntu2","2.0.0~rc3-0ubuntu3","2.0.0~rc3-0ubuntu4","2.0.0~rc4-0ubuntu1","2.0.0~rc5-0ubuntu1","2.0.0~rc6-0ubuntu1","2.0.0~rc6-0ubuntu2","2.0.0~rc7-0ubuntu1","2.0.0~rc7-0ubuntu2","2.0.0~rc8-0ubuntu1","2.0.0~rc8-0ubuntu2","2.0.0~rc8-0ubuntu3","2.0.0~rc8-0ubuntu5","2.0.0~rc8-0ubuntu6","2.0.0~rc8-0ubuntu7","2.0.0~rc9-0ubuntu2","2.0.0~rc9-0ubuntu3","2.0.0~rc9-0ubuntu4","2.0.0~rc9-0ubuntu5","2.0.0-0ubuntu1","2.0.0-0ubuntu2","2.0.0-0ubuntu3","2.0.0-0ubuntu4","2.0.1-0ubuntu1~16.04.1","2.0.2-0ubuntu1~16.04.1","2.0.3-0ubuntu1~ubuntu16.04.2","2.0.4-0ubuntu1~ubuntu16.04.1","2.0.5-0ubuntu1~ubuntu16.04.1","2.0.8-0ubuntu1~ubuntu16.04.1","2.0.8-0ubuntu1~ubuntu16.04.2","2.0.9-0ubuntu1~16.04.1","2.0.9-0ubuntu1~16.04.2","2.0.10-0ubuntu1~16.04.1","2.0.10-0ubuntu1~16.04.2","2.0.11-0ubuntu1~16.04.2","2.0.11-0ubuntu1~16.04.4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"golang-github-lxc-lxd-dev","binary_version":"2.0.11-0ubuntu1~16.04.4+esm1"},{"binary_name":"lxc2","binary_version":"2.0.11-0ubuntu1~16.04.4+esm1"},{"binary_name":"lxd","binary_version":"2.0.11-0ubuntu1~16.04.4+esm1"},{"binary_name":"lxd-client","binary_version":"2.0.11-0ubuntu1~16.04.4+esm1"},{"binary_name":"lxd-tools","binary_version":"2.0.11-0ubuntu1~16.04.4+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6738-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-48795"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"lxd","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/lxd@3.0.3-0ubuntu1~18.04.2+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.3-0ubuntu1~18.04.2+esm1"}]}],"versions":["2.18-0ubuntu6","2.19-0ubuntu1","2.20-0ubuntu3","2.20-0ubuntu4","2.21-0ubuntu1","2.21-0ubuntu2","2.21-0ubuntu3","2.21-0ubuntu4","3.0.0~beta2-0ubuntu3","3.0.0~beta3-0ubuntu3","3.0.0~beta5-0ubuntu2","3.0.0~beta7-0ubuntu1","3.0.0-0ubuntu1","3.0.0-0ubuntu2","3.0.0-0ubuntu3","3.0.0-0ubuntu4","3.0.1-0ubuntu1~18.04.1","3.0.2-0ubuntu1~18.04.1","3.0.3-0ubuntu1~18.04.1","3.0.3-0ubuntu1~18.04.2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"lxd","binary_version":"3.0.3-0ubuntu1~18.04.2+esm1"},{"binary_name":"lxd-client","binary_version":"3.0.3-0ubuntu1~18.04.2+esm1"},{"binary_name":"lxd-tools","binary_version":"3.0.3-0ubuntu1~18.04.2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6738-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-48795"}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}}],"schema_version":"1.7.3"}