CVE-2024-39894 Information disclosure in n/a
Timing attacks against OpenSSH password entry can leak keystroke information, potentially exposing credentials to local attackers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2024-39894?
CVE-2024-39894 is a high-severity vulnerability in n/a, published on 2 Jul 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-367
Which versions are affected by CVE-2024-39894?
How do I fix CVE-2024-39894?
Upgrade to a fixed version.
Is CVE-2024-39894 being exploited?
There is no known exploitation of CVE-2024-39894 in the wild and no public exploit code.
Sources
Also known as AZL-43140, BELL-CVE-2024-39894, DEBIAN-CVE-2024-39894, GHSA-g5qj-pfmg-p3jp, UBUNTU-CVE-2024-39894, USN-6887-1.