Debian Bug report logs - #496425
The possibility of attack with the help of symlinks in some Debian packages

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: "Dmitry E. Oboukhov" <dimka@uvw.ru>

To: submit@bugs.debian.org

Cc: dimka@uvw.ru

Subject: The possibility of attack with the help of symlinks in some Debian packages

Date: Sun, 24 Aug 2008 22:05:29 +0400

Package: ogle
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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Binary-package: rancid-util (2.3.2~a8-1)
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Binary-package: ogle (0.9.2-5.2)
    file: /usr/lib/ogle/ogle_audio_debug
    file: /usr/lib/ogle/ogle_cli_debug
    file: /usr/lib/ogle/ogle_ctrl_debug
    file: /usr/lib/ogle/ogle_gui_debug
    file: /usr/lib/ogle/ogle_mpeg_ps_debug
    file: /usr/lib/ogle/ogle_mpeg_vs_debug
    file: /usr/lib/ogle/ogle_nav_debug
    file: /usr/lib/ogle/ogle_vout_debug
Binary-package: firehol (1.256-4)
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Binary-package: aview (1.3.0rc1-8)
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Binary-package: radiance (3R9+20080530-3)
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Binary-package: vdr-dbg (1.6.0-5)
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Binary-package: ogle-mmx (0.9.2-5.2)
    file: /usr/lib/ogle/ogle_audio_debug
    file: /usr/lib/ogle/ogle_cli_debug
    file: /usr/lib/ogle/ogle_ctrl_debug
    file: /usr/lib/ogle/ogle_gui_debug
    file: /usr/lib/ogle/ogle_mpeg_ps_debug
    file: /usr/lib/ogle/ogle_mpeg_vs_debug
    file: /usr/lib/ogle/ogle_nav_debug
    file: /usr/lib/ogle/ogle_vout_debug
Binary-package: convirt (0.8.2-3)
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    file: /usr/share/convirt/image_store/Fedora_PV_Install/provision.sh
    file: /usr/share/convirt/image_store/CentOS_PV_Install/provision.sh
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Binary-package: printfilters-ppd (2.13-9)
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Binary-package: r-base-core (2.7.1-1)
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Binary-package: xmcd (2.6-19.3)
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Binary-package: ltp-network-test (20060918-2.1)
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Message #14 received at 496425@bugs.debian.org (full text, mbox, reply):

From: Moritz Muehlenhoff <jmm@inutil.org>

To: 496420@bugs.debian.org, 496425@bugs.debian.org

Cc: control@bugs.debian.org

Subject: Re: The possibility of attack with the help of symlinks in some Debian packages

Date: Tue, 26 Aug 2008 16:54:02 +0200

severity 496420 important
severity 496425 important
thanks

Dmitry E. Oboukhov wrote:
> Binary-package: ogle (0.9.2-5.2)
>     file: /usr/lib/ogle/ogle_audio_debug
>     file: /usr/lib/ogle/ogle_cli_debug
>     file: /usr/lib/ogle/ogle_ctrl_debug
>     file: /usr/lib/ogle/ogle_gui_debug
>     file: /usr/lib/ogle/ogle_mpeg_ps_debug
>     file: /usr/lib/ogle/ogle_mpeg_vs_debug
>     file: /usr/lib/ogle/ogle_nav_debug
>     file: /usr/lib/ogle/ogle_vout_debug

The temp race issues are only present in some debug scripts
not present in the standard path, so I'm lowering the severity.

Alan, shouldn't ogle rather be dropped from the archive?
It's dead upstream (last release from 2003), the MMX versions
appears broken (#351857, #347277), it only supports OSS (#307610),
and you haven't uploaded since two years.

I remember to have used Ogle ages ago since it was the first
DVD-menu-capable player for Linux, but it seems superseded by
other players today.

Cheers,
        Moritz

Message #21 received at 496425-done@bugs.debian.org (full text, mbox, reply):

From: Marco Rodrigues <gothicx@sapo.pt>

To: 496425-done@bugs.debian.org

Subject: ogle has been removed from Debian, closing #496425

Date: Fri, 27 Mar 2009 23:07:21 GMT

Version: 0.9.2-5.3+rm

The ogle package has been removed from Debian so we are closing
the bugs that were still opened against it.

For more information about this package's removal, read
http://bugs.debian.org/509586 . That bug might give the reasons why
this package was removed, and suggestions of possible replacements.

Don't hesitate to reply to this mail if you have any question.

Thank you for your contribution to Debian.

Kind regards,
--
Marco Rodrigues

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