Comments (1)
您好:
在ZipFileUtils.java文件中的uozip2Dir()方法是为了将zip包解压到指定文件夹中,但由于解压过程中没有对条目名做校验,导致攻击者可能通过构造带有../的zip文件,解压时会覆盖指定目录之外的敏感文件
和刚刚那个问题的情况是一样的,我们这里解压的是实时下拉的RuntimeView数据包,数据包的MD5是通过业务加密通道下行的,下拉的包会经过MD5校验后保存在私有目录(开源版本为了学习方便配置了SD卡目录,今天内会提交一个patch改成私有目录)。因此解压这个过程是发生在zip包进行了MD5校验之后,因此希望能了解到整个模拟攻击过程详情,以便于加强安全措施,修复漏洞。
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