CVE-2024-39894

Published: Jul 2, 2024

Modified: Nov 4, 2025

PUBLISHED

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

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

[oss-security] 20240703 Re: Announce: OpenSSH 9.8 released

mailing-list

https://security.netapp.com/advisory/ntap-20240712-0004/

[oss-security] 20240723 Re: linux-distros application for CentOS Project's Hyperscale SIG

mailing-list

[oss-security] 20240723 Re: linux-distros application for CentOS Project's Hyperscale SIG

mailing-list

[oss-security] 20240728 Re: Announce: OpenSSH 9.8 released

mailing-list

https://crzphil.github.io/posts/ssh-obfuscation-bypass/

https://news.ycombinator.com/item?id=41508530

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CVE-2024-39894

Description

Affected Products

References