CVE-2018-20251— WinRAR 路径遍历漏洞

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In WinRAR versions prior to and including 5.61, there is path traversal vulnerability when crafting the filename field of the ACE format. The UNACE module (UNACEV2.dll) creates files and folders as written in the filename field even when WinRAR validator noticed the traversal attempt and requestd to abort the extraction process. the operation is cancelled only after the folders and files were created but prior to them being written, therefore allowing the attacker to create empty files and folders everywhere in the file system.

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保护机制失效

WinRAR 路径遍历漏洞

WinRAR是一款文件压缩器。该产品支持RAR、ZIP等格式文件的压缩和解压等。 WinRar中存在目录遍历漏洞，该漏洞源于程序没有及时地检查‘validator’函数的返回值。攻击者可利用该漏洞写入任意文件。

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