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Category:   Application (Game)  >   Omega Vendors:   Brothers, Laurence
(Debian Issues Fix) Omega-rpg Game Buffer Overflows Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1008236
SecurityTracker URL:  http://securitytracker.com/id/1008236
CVE Reference:   CVE-2003-0932   (Links to External Site)
Date:  Nov 19 2003
Impact:   Execution of arbitrary code via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 0.90
Description:   A buffer overflow was reported in the Omega-rpg game software. A local user can gain elevated privileges on the target system.

It is reported that a local user can set a specially crafted command line argument or environment variable to trigger the buffer overflow. A local user can execute arbitrary code with 'games' group privileges.

Debian credits Steve Kemp with discovering this flaw.

Impact:   A local user can execute arbitrary code with 'games' group privileges.
Solution:   Debian has released a fix for the stable distribution (woody) in version 0.90-pa9-7woody1 for the unstable distribution (sid) in version 0.90-pa9-11.

Debian GNU/Linux 3.0 alias woody:

Source archives:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1.dsc
Size/MD5 checksum: 616 ec09d79e6db8d2a26b2419118c82b6d9
http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1.diff.gz
Size/MD5 checksum: 9264 9a1c91a88685a9a3ebbd3d303d9af458
http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9.orig.tar.gz
Size/MD5 checksum: 425670 decf9c9c5e217a243d87c5693069016f

Alpha architecture:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_alpha.deb
Size/MD5 checksum: 433086 e0b2fab139c48fd165856261346509ea

ARM architecture:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_arm.deb
Size/MD5 checksum: 329224 8821937e31ffdeb13ca7707be44f2ee2

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_i386.deb
Size/MD5 checksum: 313176 5f6e8d376c2dcf9eec749a6589410090

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_ia64.deb
Size/MD5 checksum: 499828 aa1d2895cf9bf64ee15e4632286f819c

HP Precision architecture:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_hppa.deb
Size/MD5 checksum: 367390 bf3008b562d94d34af03cbcecc90e99f

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_m68k.deb
Size/MD5 checksum: 295016 70d31cc87a332a44155ef356ad8e41b5

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_mips.deb
Size/MD5 checksum: 373454 39d6c1c8570fe8aae62a9c7e1c970c6a

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_mipsel.deb
Size/MD5 checksum: 372138 c21602808847f8edf799d7ee4e562899

PowerPC architecture:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_powerpc.deb
Size/MD5 checksum: 355306 3b6e082c0568bc3e090b017d1366bf97

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_s390.deb
Size/MD5 checksum: 330438 90c057f921d7861f3a511b684d22a630

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_sparc.deb
Size/MD5 checksum: 347386 40762ef4e8f790f1260c7c84bfd24809

Vendor URL:  www.debian.org/security/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Debian)
Underlying OS Comments:  3.0

Message History:   This archive entry is a follow-up to the message listed below.
Nov 19 2003 Omega-rpg Game Buffer Overflows Let Local Users Gain Elevated Privileges



 Source Message Contents

Subject:  [SECURITY] [DSA 400-1] New omega-rpg packages fix local games exploit


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- --------------------------------------------------------------------------
Debian Security Advisory DSA 400-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
November 11th, 2003                     http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : omega-rpg
Vulnerability  : buffer overlow
Problem-Type   : local
Debian-specific: no
CVE Id         : CAN-2003-0932

Steve Kemp discovered a buffer overflow in the commandline and
environment variable handling of omega-rpg, a text-based rogue-style
game of dungeon exploration, which could lead a local attacker to gain
unauthorised access to the group games.

For the stable distribution (woody) this problem has been fixed in
version 0.90-pa9-7woody1.

For the unstable distribution (sid) this problem has been fixed in
version 0.90-pa9-11.

We recommend that you upgrade your omega-rpg package.


Upgrade Instructions
- --------------------

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1.dsc
      Size/MD5 checksum:      616 ec09d79e6db8d2a26b2419118c82b6d9
    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1.diff.gz
      Size/MD5 checksum:     9264 9a1c91a88685a9a3ebbd3d303d9af458
    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9.orig.tar.gz
      Size/MD5 checksum:   425670 decf9c9c5e217a243d87c5693069016f

  Alpha architecture:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_alpha.deb
      Size/MD5 checksum:   433086 e0b2fab139c48fd165856261346509ea

  ARM architecture:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_arm.deb
      Size/MD5 checksum:   329224 8821937e31ffdeb13ca7707be44f2ee2

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_i386.deb
      Size/MD5 checksum:   313176 5f6e8d376c2dcf9eec749a6589410090

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_ia64.deb
      Size/MD5 checksum:   499828 aa1d2895cf9bf64ee15e4632286f819c

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_hppa.deb
      Size/MD5 checksum:   367390 bf3008b562d94d34af03cbcecc90e99f

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_m68k.deb
      Size/MD5 checksum:   295016 70d31cc87a332a44155ef356ad8e41b5

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_mips.deb
      Size/MD5 checksum:   373454 39d6c1c8570fe8aae62a9c7e1c970c6a

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_mipsel.deb
      Size/MD5 checksum:   372138 c21602808847f8edf799d7ee4e562899

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_powerpc.deb
      Size/MD5 checksum:   355306 3b6e082c0568bc3e090b017d1366bf97

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_s390.deb
      Size/MD5 checksum:   330438 90c057f921d7861f3a511b684d22a630

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/o/omega-rpg/omega-rpg_0.90-pa9-7woody1_sparc.deb
      Size/MD5 checksum:   347386 40762ef4e8f790f1260c7c84bfd24809


  These files will probably be moved into the stable distribution on
  its next revision.

- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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Version: GnuPG v1.2.3 (GNU/Linux)

iD8DBQE/sMHzW5ql+IAeqTIRAgiwAJ9+iZ3mCSywugABAb9JSk1M2l2nygCfedBS
30HMH0KEpVY20cqWaCNSx48=
=Wk3s
-----END PGP SIGNATURE-----


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