CVE-2000-1096 Race condition in n/a

Low 3.7 Published 22 Jan 2001 Updated 8 Aug 2024

Local attackers can execute arbitrary commands by exploiting a race condition in crontab's temporary file handling during user editing.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2000-1096?

CVE-2000-1096 is a low-severity vulnerability in n/a, published on 22 Jan 2001. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

crontab by Paul Vixie uses predictable file names for a temporary file and does not properly ensure that the file is owned by the user executing the crontab -e command, which allows local users with write access to the crontab spool directory to execute arbitrary commands by creating world-writeable temporary files and modifying them while the victim is editing the file.

Which versions are affected by CVE-2000-1096?

It affects 1 product.

Products include Paul Vixie Vixie Cron.

How do I fix CVE-2000-1096?

No fix has been published for CVE-2000-1096 yet. Limit exposure of the affected software until one is available.

Is CVE-2000-1096 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2000-1096 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-3h2g-8x7p-qmjq.