Description

All versions of the package com.bstek.uflo:uflo-core are vulnerable to Remote Code Execution (RCE) in the ExpressionContextImpl class via jexl.createExpression(expression).evaluate(context); functionality, due to improper user input validation.

Remediation

References

https://security.snyk.io/vuln/SNYK-JAVA-COMBSTEKUFLO-3091112

https://fmyyy1.github.io/2022/10/23/uflo2rce/

https://github.com/youseries/uflo/blob/b3e198bc6523e5a6ba69edd84ba10e05a3b78726/uflo-core/src/main/java/com/bstek/uflo/expr/impl/ExpressionContextImpl.java%23L126

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Severity

Critical

Classification

CWE-94 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Third Party Advisory Exploit Broken Link