Title: Conectiva Vixie-Cron Package Potential Denial Of Service Vulnerability
Severity: LOW
Description:
Vixie cron is an implementation of the popular UNIX program that runs user-specified programs at periodic scheduled times.
The Conectiva Vixie-Cron package has been reported prone to a potential denial of service vulnerability. The issue was introduced in a previous Vixie-Cron package update that was designed to address the vulnerability described in BID 2687. This package was found to introduce a problem whilst using cron.allow and cron.deny, to control access to the crontab application. It has been reported that if these files contain more than one user the crontab program will fail.
A local attacker, who has the ability to write data into cron.allow and cron.deny files, may instigate an efficient denial of service against the crontab program.
Conectiva has addressed this issue by releasing an updated package; all users are advised to apply the applicable packages as soon as possible.
Affected Products:
- Conectiva Linux 7.0.0
- Conectiva Linux 9.0.0
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