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Category:   Application (Game)  >   mah-jong Vendors:   Bradfield, J. C.
(Debian Issues Fix) mah-jong Game Can Be Crashed By Remote Users With Empty Name Value
SecurityTracker Alert ID:  1010156
SecurityTracker URL:  http://securitytracker.com/id/1010156
CVE Reference:   CVE-2004-0458   (Links to External Site)
Date:  May 13 2004
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to Debian mah-jong version 1.4-3
Description:   A denial of service vulnerability was reported in mah-jong in the processing of player names. A remote user can cause the game service to crash.

Debian and the vendor both reported that there is a null pointer dereference vulnerability in the mah-jong game. A remote user can connect to the game service and supply an empty name value (m->name variable) to cause the game service to crash.

Impact:   A remote user can cause the game service to crash.
Solution:   Debain has released a fix, backported from upstream version 1.6.1. The fix is available for the stable distribution (woody) in version 1.4-3 and for the unstable distribution (sid) in version 1.6.2-1.

Debian GNU/Linux 3.0 alias woody

Source archives:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3.dsc
Size/MD5 checksum: 579 fbaaaa02b4da5b54980a857978953ad9
http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3.diff.gz
Size/MD5 checksum: 24223 d80c110b7e32860173816378c9a0b668
http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4.orig.tar.gz
Size/MD5 checksum: 259474 21cc99ddb9ae91cbe02b2119586f8860

Alpha architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_alpha.deb
Size/MD5 checksum: 311528 2c8c14d83e1488d49332ad1617a92d68

ARM architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_arm.deb
Size/MD5 checksum: 272438 7be6ba070c69a00507c6014ef4246cc6

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_i386.deb
Size/MD5 checksum: 250086 a7ebbe382d8eb1328901092a6b2b3352

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_ia64.deb
Size/MD5 checksum: 380046 2ca54902cb7e346c75472032c0d4d2f7

HP Precision architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_hppa.deb
Size/MD5 checksum: 286928 567894a21a4c911ec9b8287fd089c474

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_m68k.deb
Size/MD5 checksum: 234534 3e57a18a0a4081b300259e9dd82ab48b

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_mips.deb
Size/MD5 checksum: 262024 65c7e3c93be2bd4ed8a8785d281828f3

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_mipsel.deb
Size/MD5 checksum: 261836 523bf9927fd506d7d7eaeeb9a80ed8ba

PowerPC architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_powerpc.deb
Size/MD5 checksum: 271728 ac75e854e4d5b3dc8836d06a433f5d8f

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_s390.deb
Size/MD5 checksum: 246212 0560d3f71a4e98578d4dcf14811605a3

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_sparc.deb
Size/MD5 checksum: 269534 b3caab927da9daf5c01e81b3e70a7437

Vendor URL:  www.stevens-bradfield.com/MahJong/ (Links to External Site)
Cause:   Boundary error, Input validation error
Underlying OS:  Linux (Debian)
Underlying OS Comments:  3.0

Message History:   This archive entry is a follow-up to the message listed below.
May 13 2004 mah-jong Game Can Be Crashed By Remote Users With Empty Name Value



 Source Message Contents

Subject:  [SECURITY] [DSA 503-1] New mah-jong packages fix denial of service


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

- --------------------------------------------------------------------------
Debian Security Advisory DSA 503-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
May 13th, 2004                          http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : mah-jong
Vulnerability  : missing argument check
Problem-Type   : remote
Debian-specific: no
CVE ID         : CAN-2004-0458

A problem has been discovered in mah-jong, a variant of the original
Mah-Jong game, that can be utilised to crash the game server after
dereferencing a NULL pointer.  This bug be exploited by any client
that connects to the mah-jong server.

For the stable distribution (woody) this problem has been fixed in
version 1.4-3.

For the unstable distribution (sid) this problem has been fixed in
version 1.6.2-1.

We recommend that you upgrade your mah-jong 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/m/mah-jong/mah-jong_1.4-3.dsc
      Size/MD5 checksum:      579 fbaaaa02b4da5b54980a857978953ad9
    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3.diff.gz
      Size/MD5 checksum:    24223 d80c110b7e32860173816378c9a0b668
    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4.orig.tar.gz
      Size/MD5 checksum:   259474 21cc99ddb9ae91cbe02b2119586f8860

  Alpha architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_alpha.deb
      Size/MD5 checksum:   311528 2c8c14d83e1488d49332ad1617a92d68

  ARM architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_arm.deb
      Size/MD5 checksum:   272438 7be6ba070c69a00507c6014ef4246cc6

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_i386.deb
      Size/MD5 checksum:   250086 a7ebbe382d8eb1328901092a6b2b3352

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_ia64.deb
      Size/MD5 checksum:   380046 2ca54902cb7e346c75472032c0d4d2f7

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_hppa.deb
      Size/MD5 checksum:   286928 567894a21a4c911ec9b8287fd089c474

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_m68k.deb
      Size/MD5 checksum:   234534 3e57a18a0a4081b300259e9dd82ab48b

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_mips.deb
      Size/MD5 checksum:   262024 65c7e3c93be2bd4ed8a8785d281828f3

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_mipsel.deb
      Size/MD5 checksum:   261836 523bf9927fd506d7d7eaeeb9a80ed8ba

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_powerpc.deb
      Size/MD5 checksum:   271728 ac75e854e4d5b3dc8836d06a433f5d8f

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_s390.deb
      Size/MD5 checksum:   246212 0560d3f71a4e98578d4dcf14811605a3

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-3_sparc.deb
      Size/MD5 checksum:   269534 b3caab927da9daf5c01e81b3e70a7437


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

- ---------------------------------------------------------------------------------
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 v1.2.4 (GNU/Linux)

iD8DBQFAo5uUW5ql+IAeqTIRAriwAKCyTwwpioMnYpQbsIwJeeIptPMpUQCfTV7D
xeFdIJS96hTvZay43przNJQ=
=/hS1
-----END PGP SIGNATURE-----


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