Improper Neutralization of Special Elements Used in a Template Engine Affecting com.xuxueli:xxl-job-core package, versions [0,2.4.1)
Threat Intelligence
EPSS
0.05% (17th
percentile)
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Test your applications- Snyk ID SNYK-JAVA-COMXUXUELI-6579598
- published 7 Apr 2024
- disclosed 6 Apr 2024
- credit Unknown
Introduced: 6 Apr 2024
CVE-2024-3366 Open this link in a new tabHow to fix?
Upgrade com.xuxueli:xxl-job-core to version 2.4.1 or higher.
Overview
com.xuxueli:xxl-job-core is a distributed task scheduling framework.
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements Used in a Template Engine via the deserialize() function in JdkSerializeTool.java, which accesses templates on the classpath with freemarker. An attacker in control of spring.freemarker.templateLoaderPath can inject a template to execute code when a given page is accessed.
PoC
${"freemarker.template.utility.ObjectConstructor"?new()("org.springframework.expression.spel.standard.SpelExpressionParser").parseExpression("T(java.lang.Runtime).getRuntime().exec("open -a calculator")").getValue()}
References
CVSS Scores
version 3.1