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Date: Thu, 01 Jan 2015 13:04:49 +0300
From: Alexander Cherepanov <cherepan@...me.ru>
To: oss-security@...ts.openwall.com, cve-assign@...re.org
Subject: Re: cve request: miniunzip directory traversal
On 2015-01-01 00:44, Michael Gilbert wrote:
> Jakub Wilk discovered a directory traversal issue in the miniunzip
> tool [0], which is part of minizip [1]. Attached is a proposed
> solution.
Attached patch seems to deal with absolute paths only. What about
relative ones?
$ touch ../file
$ zip test.zip ../file
adding: ../file (stored 0%)
$ rm ../file
$ miniunzip test.zip
MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant
more info at http://www.winimage.com/zLibDll/unzip.html
test.zip opened
extracting: ../file
$ ls ../file
../file
--
Alexander Cherepanov
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