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Date: Sat, 16 Jul 2016 10:25:08 -0400 (EDT)
From: cve-assign@...re.org
To: faure@....org
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com, kde-security@....org
Subject: Re: CVE Request for KNewStuff/KArchive issue
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
> When using KNewStuff, one of the KDE Frameworks, to download and install files
> from the internet (e.g. a wallpaper, a plasma applet, etc.), it was possible
> to download a maliciously crafted archive file (e.g. tar.gz or zip) containing
> relative paths leading to outside the extraction directory (say
> "../../../.bashrc" for instance).
>
> The fix has already been reviewed and submitted:
> https://git.reviewboard.kde.org/r/128185/
> This fix is one layer below KNewStuff, in the framework called KArchive, which
> handles extraction of .tar.gz / .zip archives. KArchive now prevents files from
> being written outside of the extraction directory, in all cases.
>> Switch to Tar's default behavior to avoid extraction
>> to arbitrary system locations outside of extraction folder. Instead,
>> extract such files to root location in extraction folder.
>>
>> Submitted with commit 0cb243f64eef45565741b27364cece7d5c349c37 ... to branch master
Use CVE-2016-6232.
- --
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
http://cve.mitre.org/cve/request_id.html ]
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