Malicious logback.xml configuration file allows instantiation of arbitrary classes

ACE vulnerability in configuration file processing by QOS.CH logback-core up to and including version 1.5.24 in Java applications, allows an attacker to instantiate classes already present on the class path by compromising an existing logback configuration file. The instantiation of a potentially malicious Java class requires that said class is present on the user's class-path. In addition, the attacker must have write access to a configuration file. However, after successful instantiation, the instance is very likely to be discarded with no further ado.

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输入验证不恰当

logback-core 安全漏洞

logback-core是QOS.CH开源的一个日志框架的核心模块。 logback-core 1.5.24及之前版本存在安全漏洞，该漏洞源于配置文件处理不当，可能导致攻击者通过篡改现有logback配置文件实例化类路径上的类。

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