{"id":"USN-6565-1","summary":"openssh vulnerabilities","details":"It was discovered that OpenSSH incorrectly handled supplemental groups when\nrunning helper programs for AuthorizedKeysCommand and\nAuthorizedPrincipalsCommand as a different user. An attacker could possibly\nuse this issue to escalate privileges. This issue only affected Ubuntu\n20.04 LTS. (CVE-2021-41617)\n\nIt was discovered that OpenSSH incorrectly added destination constraints\nwhen PKCS#11 token keys were added to ssh-agent, contrary to expectations.\nThis issue only affected Ubuntu 22.04 LTS, and Ubuntu 23.04.\n(CVE-2023-51384)\n\nIt was discovered that OpenSSH incorrectly handled user names or host names\nwith shell metacharacters. An attacker could possibly use this issue to\nperform OS command injection. (CVE-2023-51385)\n","modified":"2026-04-27T17:17:25.557945053Z","published":"2024-01-03T18:00:01Z","related":["UBUNTU-CVE-2021-41617","UBUNTU-CVE-2023-51384","UBUNTU-CVE-2023-51385"],"upstream":["CVE-2021-41617","CVE-2023-51384","CVE-2023-51385","UBUNTU-CVE-2021-41617","UBUNTU-CVE-2023-51384","UBUNTU-CVE-2023-51385"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6565-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-41617"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-51384"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-51385"}],"affected":[{"package":{"name":"openssh","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/openssh@1:8.2p1-4ubuntu0.11?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.2p1-4ubuntu0.11"}]}],"versions":["1:8.0p1-6build1","1:8.1p1-1","1:8.1p1-5","1:8.2p1-4","1:8.2p1-4ubuntu0.1","1:8.2p1-4ubuntu0.2","1:8.2p1-4ubuntu0.3","1:8.2p1-4ubuntu0.4","1:8.2p1-4ubuntu0.5","1:8.2p1-4ubuntu0.7","1:8.2p1-4ubuntu0.8","1:8.2p1-4ubuntu0.9","1:8.2p1-4ubuntu0.10"],"ecosystem_specific":{"binaries":[{"binary_name":"openssh-client","binary_version":"1:8.2p1-4ubuntu0.11"},{"binary_name":"openssh-server","binary_version":"1:8.2p1-4ubuntu0.11"},{"binary_name":"openssh-sftp-server","binary_version":"1:8.2p1-4ubuntu0.11"},{"binary_name":"openssh-tests","binary_version":"1:8.2p1-4ubuntu0.11"},{"binary_name":"ssh","binary_version":"1:8.2p1-4ubuntu0.11"},{"binary_name":"ssh-askpass-gnome","binary_version":"1:8.2p1-4ubuntu0.11"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6565-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2021-41617"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-51385"}]}}},{"package":{"name":"openssh","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/openssh@1:8.9p1-3ubuntu0.6?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.9p1-3ubuntu0.6"}]}],"versions":["1:8.4p1-6ubuntu2","1:8.7p1-2","1:8.7p1-2build1","1:8.7p1-4","1:8.8p1-1","1:8.9p1-3","1:8.9p1-3ubuntu0.1","1:8.9p1-3ubuntu0.3","1:8.9p1-3ubuntu0.4","1:8.9p1-3ubuntu0.5"],"ecosystem_specific":{"binaries":[{"binary_name":"openssh-client","binary_version":"1:8.9p1-3ubuntu0.6"},{"binary_name":"openssh-server","binary_version":"1:8.9p1-3ubuntu0.6"},{"binary_name":"openssh-sftp-server","binary_version":"1:8.9p1-3ubuntu0.6"},{"binary_name":"openssh-tests","binary_version":"1:8.9p1-3ubuntu0.6"},{"binary_name":"ssh","binary_version":"1:8.9p1-3ubuntu0.6"},{"binary_name":"ssh-askpass-gnome","binary_version":"1:8.9p1-3ubuntu0.6"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6565-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-51384"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-51385"}]}}}],"schema_version":"1.7.5"}