CVE-2011-1075

FreeBSD's crontab calculates the MD5 sum of the previous and new cronjob to determine if any changes have been made before copying the new version in. In particular, it uses the MD5File function, which takes a pathname as an argument, and is called with euid 0. A race condition in this process ma...

CVE-2011-1075

In CVE-2011-1075, a race condition in FreeBSD’s crontab during the MD5-based change-detection step (MD5File() called with euid 0 to compare previous and new cronjobs) can cause an arbitrary MD5 comparison to be performed regardless of read permissions. The connected sources (Red Hat, Debian secur...