Template injection in cron-utils
Critical severity
GitHub Reviewed
Published
Nov 24, 2020
in
jmrozanec/cron-utils
•
Updated Feb 1, 2023
Description
Reviewed
Nov 24, 2020
Published to the GitHub Advisory Database
Nov 24, 2020
Published by the National Vulnerability Database
Nov 25, 2020
Last updated
Feb 1, 2023
Credits
-
pwntester Analyst
Impact
A Template Injection was identified in cron-utils enabling attackers to inject arbitrary Java EL expressions, leading to unauthenticated Remote Code Execution (RCE) vulnerability. Versions up to 9.1.2 are susceptible to this vulnerability. Please note, that only projects using the @Cron annotation to validate untrusted Cron expressions are affected.
Patches
The issue was patched and a new version released. Please upgrade to version 9.1.3.
Workarounds
There are no known workarounds up to this moment.
References
A description of the issue is provided in issue 461
For more information
If you have any questions or comments about this advisory:
References