{"id":"UBUNTU-CVE-2024-39894","details":"OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry (e.g., for su and Sudo) because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry could occur.","modified":"2026-02-04T02:25:25.251626Z","published":"2024-07-02T18:15:00Z","related":["USN-6887-1"],"upstream":["CVE-2024-39894"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-39894"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-39894"},{"type":"REPORT","url":"https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2024/07/02/1"},{"type":"REPORT","url":"https://www.openssh.com/txt/release-9.8"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6887-1"}],"affected":[{"package":{"name":"openssh","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/openssh@1:9.6p1-3ubuntu13.4?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.6p1-3ubuntu13.4"}]}],"versions":["1:9.3p1-1ubuntu3","1:9.4p1-1ubuntu1","1:9.6p1-3ubuntu1","1:9.6p1-3ubuntu2","1:9.6p1-3ubuntu11","1:9.6p1-3ubuntu12","1:9.6p1-3ubuntu13","1:9.6p1-3ubuntu13.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:9.6p1-3ubuntu13.4","binary_name":"openssh-client"},{"binary_name":"openssh-server","binary_version":"1:9.6p1-3ubuntu13.4"},{"binary_name":"openssh-sftp-server","binary_version":"1:9.6p1-3ubuntu13.4"},{"binary_name":"openssh-tests","binary_version":"1:9.6p1-3ubuntu13.4"},{"binary_name":"ssh","binary_version":"1:9.6p1-3ubuntu13.4"},{"binary_name":"ssh-askpass-gnome","binary_version":"1:9.6p1-3ubuntu13.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-39894.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}