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Date: Wed, 7 Sep 2016 18:10:34 -0500
From: Tyler Hicks <tyhicks@...onical.com>
To: oss-security@...ts.openwall.com
Cc: "security@...ntu.com" <security@...ntu.com>,
Paolo Bacchilega <paobac@....gnome.org>
Subject: CVE Request: File Roller path traversal
File Roller 3.5.4 through 3.20.2 was affected by a path traversal bug
that could result in deleted files if a user were tricked into opening a
malicious archive.
3.20.3 news:
http://ftp.gnome.org/mirror/gnome.org/sources/file-roller/3.20/file-roller-3.20.3.news
3.21.90 news:
http://ftp.gnome.org/mirror/gnome.org/sources/file-roller/3.21/file-roller-3.21.90.news
Distro bug: https://launchpad.net/bugs/1171236
Upstream bug: https://bugzilla.gnome.org/show_bug.cgi?id=698554
Introduced by:
https://git.gnome.org/browse/file-roller/commit/?id=34b64f3a897c4b4e8e180c028f326bc921eb08ec
Fixed by:
https://git.gnome.org/browse/file-roller/commit/?id=f70be1f41688859ec8dbe266df35a1839ceb96c5
= Setup =
Create /dev/shm/will-be-emptied/important.txt which will act as an
important file that we wouldn't want to lose.
$ mkdir -p /dev/shm/will-be-emptied/
$ echo data > /dev/shm/will-be-emptied/important.txt
= Test =
1. Open the attached links.tar with File Roller
$ file-roller links.tar
2. Double-click either of the "absolute" or "relative" files
3. Close the opened Nautilus window as well as the File Roller window
4. Check to see if /dev/shm/will-be-emptied/important.txt has been
unintentionally deleted
Tyler
Download attachment "links.tar" of type "application/x-tar" (10240 bytes)
Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)
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