CVE-2024-39894 - OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry (

CVE-2024-39894

Summary

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.

References

https://www.openssh.com/txt/release-9.8
https://lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.html
https://www.openwall.com/lists/oss-security/2024/07/02/1
http://www.openwall.com/lists/oss-security/2024/07/03/6
https://security.netapp.com/advisory/ntap-20240712-0004/
http://www.openwall.com/lists/oss-security/2024/07/23/4
http://www.openwall.com/lists/oss-security/2024/07/23/6
http://www.openwall.com/lists/oss-security/2024/07/28/3
https://crzphil.github.io/posts/ssh-obfuscation-bypass/
https://news.ycombinator.com/item?id=41508530

Vulnerable Configurations

CVSS

Base:	None
Impact:
Exploitability:

Access

Vector	Complexity	Authentication

Impact

Confidentiality	Integrity	Availability

Last major update

11-09-2024 - 16:15

Published

02-07-2024 - 18:15

Last modified

11-09-2024 - 16:15