Critical vulnerability found in cron-utils
### 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 was released. Please upgrade to version 9.1.6. ### Workarounds There are no known workarounds up to this moment. ### References A description of the issue is provided in [issue 461](https://github.com/jmrozanec/cron-utils/issues/461) ### For more information If you have any questions or comments about this advisory: Open an issue in the [cron-utils Github repository](https://github.com/jmrozanec/cron-utils)
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-41269US | critical9.8 | Exploit | ||
cron-utils is a Java library to define, parse, validate, migrate crons as well as get human readable descriptions for them. In affected versions A template Injection was identified… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/jmrozanec/cron-utilsPACKAGE
- https://github.com/jmrozanec/cron-utils/commit/cfd2880f80e62ea74b92fa83474c2aabdb9899daWEB
- https://github.com/jmrozanec/cron-utils/commit/d6707503ec2f20947f79e38f861dba93b39df9daWEB
- https://github.com/jmrozanec/cron-utils/issues/461WEB
- https://github.com/jmrozanec/cron-utils/security/advisories/GHSA-p9m8-27x8-rg87WEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-41269ADVISORY
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