UBUNTU-CVE-2024-39894
Advisory lineage Upstream: 1 Downstream: 1
Upstream
Downstream
Published: 02 Jul 2024, 18:15
Last modified:04 Feb 2026, 02:25
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
02 Jul 2024, 18:15
Published
Vulnerability first disclosed
04 Feb 2026, 02:25
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Systems
- ubuntu•openssh
< 1:9.6p1-3ubuntu13.4
References (6)
- https://ubuntu.com/security/CVE-2024-39894
- https://www.cve.org/CVERecord?id=CVE-2024-39894
- https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html
- https://www.openwall.com/lists/oss-security/2024/07/02/1
- https://www.openssh.com/txt/release-9.8
- https://ubuntu.com/security/notices/USN-6887-1