Bug#496380: marked as done (The possibility of attack with the help of symlinks in some Debian packages)
Your message dated Wed, 10 Sep 2008 18:17:11 +0000
with message-id <E1KdUFb-0000Je-9D@ries.debian.org>
and subject line Bug#496380: fixed in cdrw-taper 0.4-2.1
has caused the Debian Bug report #496380,
regarding The possibility of attack with the help of symlinks in some Debian packages
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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496380: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=496380
Debian Bug Tracking System
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--- Begin Message ---
- To: submit@bugs.debian.org
- Cc: dimka@uvw.ru
- Subject: The possibility of attack with the help of symlinks in some Debian packages
- From: "Dmitry E. Oboukhov" <dimka@uvw.ru>
- Date: Sun, 24 Aug 2008 22:05:30 +0400
- Message-id: <E1KXJxy-0004ON-AJ@nbw.dhome.lan>
Package: cdrw-taper
Severity: grave
Hi, maintainer!
This message about the error concerns a few packages at once. I've
tested all the packages (for Lenny) on my Debian mirror. All scripts
of packages (marked as executable) were tested.
In some packages I've discovered scripts with errors which may be used
by a user for damaging important system files or user's files.
For example if a script uses in its work a temp file which is created
in /tmp directory, then every user can create symlink with the same
name in this directory in order to destroy or rewrite some system
or user file. Symlink attack may also lead not only to the data
desctruction but to denial of service as well.
Even if you create files or directories with help of function 'RANDOM'
or pid(), then your system is not protected. Attacker can create many
symlinks in order to destroy your data or create 'denial of service'
for your package scripts.
Even if you make rm(dir) for files/directories, then your system is
not protected. Attacker can permanently create symlinks.
This list is created with the help of script. This list is sorted by
hand. Howewer in some cases mistake is possible.
Please, Be understanding to possible mistakes. :)
I set Severity into grave for this bug. The table of discovered
problems is below.
Discussion of this bug you can see in debian-devel@:
http://lists.debian.org/debian-devel/2008/08/msg00271.html
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--- End Message ---
--- Begin Message ---
Source: cdrw-taper
Source-Version: 0.4-2.1
We believe that the bug you reported is fixed in the latest version of
cdrw-taper, which is due to be installed in the Debian FTP archive:
cdrw-taper_0.4-2.1.diff.gz
to pool/main/c/cdrw-taper/cdrw-taper_0.4-2.1.diff.gz
cdrw-taper_0.4-2.1.dsc
to pool/main/c/cdrw-taper/cdrw-taper_0.4-2.1.dsc
cdrw-taper_0.4-2.1_all.deb
to pool/main/c/cdrw-taper/cdrw-taper_0.4-2.1_all.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 496380@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Sebastien Delafond <seb@debian.org> (supplier of updated cdrw-taper package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Wed, 10 Sep 2008 11:10:49 -0700
Source: cdrw-taper
Binary: cdrw-taper
Architecture: source all
Version: 0.4-2.1
Distribution: unstable
Urgency: low
Maintainer: Debian QA Group <packages@qa.debian.org>
Changed-By: Sebastien Delafond <seb@debian.org>
Description:
cdrw-taper - taper replacement for amanda to support backups to CD-RW or DVD+R
Closes: 496380 497743
Changes:
cdrw-taper (0.4-2.1) unstable; urgency=low
.
* Non-maintainer upload.
* Use File:Temp to generate a temporary file (Closes: #496380).
* Use either . or /usr/share/cdrw-taper to find taperlib.pm
(Closes: #497743).
* Depend on genisoimage and wodim instead of the obsoleted mkisofs and
cdrecord.
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