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wechat-php-sdk 存在XXE漏洞 #35

Description

@niubl

漏洞文件:
src/Wechat.php

漏洞原因:
调用simplexml_load_string函数未禁用实体引用,导致攻击者可以读取服务器任意文件

漏洞修复:
在所有调用simplexml_load_string函数前调用libxml_disable_entity_loader(true)禁止实体引用

漏洞证明:

报告来自:
niubl of Tencent Blade Team

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