Comments (1)
DemoComsumer 添加 VM 参数: -Ddubbo.hessian.allowNonSerializable=true
DemoProvider 添加 VM 参数: -Dcom.sun.jndi.ldap.object.trustURLCodebase=true --add-opens java.base/java.math=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.sql.rowset/com.sun.rowset=ALL-UNNAMED --add-opens java.xml/com.sun.org.apache.xalan.internal.xsltc.runtime=ALL-UNNAMED
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高版本 Java 中一般无法利用 JNDI 注入. 在 Java 17 中
com.sun.jndi.ldap.object.trustURLCodebase
默认已经被设置成了false
, 需要手动修改 -
Java 在 Java 9 以后开始进行模块化, 在 Java 17 中已经强制开始实行模块化的标准 (参考 升级到Java 17没这么简单), 需要手动 debug 查看报错信息然后添加参数导出模块
因为在高版本中需要在服务端手动添加参数才能利用成功, 而且需要手动开启 trustURLCodebase, 所以个人认为这个漏洞在高版本 Java 中没有啥利用价值 (也可能是我没找到其它的利用思路
另外可以尝试一下使用反序列化的方式进行复现, 参考 CVE-2023-23638 Apache Dubbo JavaNative反序列化漏洞分析, 思路其实都差不多, 都是利用某个 class 修改 properties 绕过限制, 然后进行反序列化
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