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An issue was discovered in rsync before 3.2.5 that allows malicious remote servers to write arbitrary files inside the directories of connecting peers. The server chooses which files/directories are sent to the client. However, the rsync client performs insufficient validation of file names. A malicious rsync server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the rsync client target directory and subdirectories (for example, overwrite the .ssh/authorized_keys file).

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rsync 输入验证错误漏洞

rsync是Wayne Davison个人开发者的一个提供快速增量文件传输的开源实用程序。 rsync 3.2.5之前版本存在安全漏洞，该漏洞源于rsync 客户端对文件名的验证不足。

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