CVE-2021-41269: fallo crítico en jmrozanec cron-utils
Unauthenticated remote code injection in cron-utils
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
48Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 10epss 4.3%
de la publicación al arma1374 días
Publicada en NVD15 nov
1ª PoC+1374d
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 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. The issue was patched and a new version was released. Please upgrade to version 9.1.6. There are no known workarounds known.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Productos afectados
jmrozanec · cron-utilsPoCs públicas encontradas — 1
githubgithub.com/shoucheng3/jmrozanec__cron-utils_CVE-2021-41269_9-1-5★ 0⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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Referencias
https://github.com/jmrozanec/cron-utils/commit/cfd2880f80e62ea74b92fa83474c2aabdb9899dahttps://github.com/jmrozanec/cron-utils/commit/d6707503ec2f20947f79e38f861dba93b39df9dahttps://github.com/jmrozanec/cron-utils/issues/461https://github.com/jmrozanec/cron-utils/security/advisories/GHSA-p9m8-27x8-rg87