CVEvulnerability
CVE-2024-39894
7.5 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2024-07-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-367
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.
Related
Weakness · CWE (1)
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness
References
- http://www.openwall.com/lists/oss-security/2024/07/03/6 www.openwall.com
- http://www.openwall.com/lists/oss-security/2024/07/23/4 www.openwall.com
- http://www.openwall.com/lists/oss-security/2024/07/23/6 www.openwall.com
- http://www.openwall.com/lists/oss-security/2024/07/28/3 www.openwall.com
- https://crzphil.github.io/posts/ssh-obfuscation-bypass/ crzphil.github.io
- https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html lists.mindrot.org
- https://news.ycombinator.com/item?id=41508530 news.ycombinator.com
- https://security.netapp.com/advisory/ntap-20240712-0004/ security.netapp.com
- https://www.openssh.com/txt/release-9.8 www.openssh.com
- https://www.openwall.com/lists/oss-security/2024/07/02/1 www.openwall.com
- http://seclists.org/fulldisclosure/2024/Sep/33 seclists.org
- http://www.openwall.com/lists/oss-security/2024/07/03/6 www.openwall.com
- http://www.openwall.com/lists/oss-security/2024/07/23/4 www.openwall.com
- http://www.openwall.com/lists/oss-security/2024/07/23/6 www.openwall.com
- http://www.openwall.com/lists/oss-security/2024/07/28/3 www.openwall.com
- https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html lists.mindrot.org
- https://security.netapp.com/advisory/ntap-20240712-0004/ security.netapp.com
- https://www.freebsd.org/security/advisories/FreeBSD-SA-25:01.openssh.asc www.freebsd.org
- https://www.openssh.com/txt/release-9.8 www.openssh.com
- https://www.openwall.com/lists/oss-security/2024/07/02/1 www.openwall.com