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Category:   Application (Game)  >   mah-jong Vendors:   Bradfield, J. C.
(Debian Issues Fix) mah-jong Buffer Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1007656
SecurityTracker URL:  http://securitytracker.com/id/1007656
CVE Reference:   CVE-2003-0705, CVE-2003-0706   (Links to External Site)
Updated:  Dec 1 2003
Original Entry Date:  Sep 8 2003
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.4
Description:   Two vulnerabilities were reported in the mah-jong game. A remote user can execute arbitrary code on the target server. A remote user can also cause denial of service conditions.

It is reported that a remote user can send a specially crafted command to trigger a buffer overflow and execute arbitrary code on the mah-jong server. The code will run with the privileges of the user running the mah-jong server process.

It is also reported that a remote user can send a specially crafted command to exploit a flaw in the processing of escaped characters and cause the system to enter a continuous loop. The mah-jong server will stop responding to subsequent commands.

Impact:   A remote user can execute arbitrary code on the target server with the privileges of the mah-jong server process.

A remote user can cause the mah-jong server to stop responding to commands.

Solution:   Debian has released a fix for the stable distribution (woody) in version 1.4-2 and for the unstable distribution (sid) in version 1.5.6-2.

Debian GNU/Linux 3.0 alias woody:

Source archives:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2.dsc
Size/MD5 checksum: 579 b473dfb32c1765f3b96a1d4897a728a5
http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2.diff.gz
Size/MD5 checksum: 23814 c0465cd149b6f9bfc7f0096ab5d0d192
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_1.4-2_alpha.deb
Size/MD5 checksum: 311378 0ff83a703283cad7faa06609d330d9ef

ARM architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_arm.deb
Size/MD5 checksum: 272324 e6974d354918f6f4d0dffa3bb3eb4b9f

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_i386.deb
Size/MD5 checksum: 250012 a4f7d586918c3a712d073aa9e8e42bd5

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_ia64.deb
Size/MD5 checksum: 379856 b63ee72a1a2f4ac16e902ae0f8b5b3e1

HP Precision architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_hppa.deb
Size/MD5 checksum: 286728 c4c544f15f09199b753848cb7ee417d9

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_m68k.deb
Size/MD5 checksum: 234410 91682fc41ab6fb8b57ebfb09681f3180

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_mips.deb
Size/MD5 checksum: 261874 977e1d059bbaca988a3cb60636e74d17

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_mipsel.deb
Size/MD5 checksum: 261666 45e1785dd5c17dcbec971fc8024b8787

PowerPC architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_powerpc.deb
Size/MD5 checksum: 271566 5d25f219fdb987ca014775ae4ae9ee9c

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_s390.deb
Size/MD5 checksum: 246116 be071c93713eb1257f9a8b8225968ad8

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_sparc.deb
Size/MD5 checksum: 269392 78b122c5b4145b039dda06d4e16cfe48

Vendor URL:  www.debian.org/security/ (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.
Sep 8 2003 mah-jong Buffer Overflow Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [SECURITY] [DSA-378-1] New mah-jong packages fix buffer overflows, denial of service


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

- --------------------------------------------------------------------------
Debian Security Advisory DSA 378-1                     security@debian.org
http://www.debian.org/security/                             Matt Zimmerman
September 7th, 2003                     http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : mah-jong
Vulnerability  : buffer overflows, denial of service
Problem-Type   : remote
Debian-specific: no
CVE Ids        : CAN-2003-0705 CAN-2003-0706

Nicolas Boullis discovered two vulnerabilities in mah-jong, a
network-enabled game.

 - CAN-2003-0705 (buffer overflow)

   This vulnerability could be exploited by a remote attacker to
   execute arbitrary code with the privileges of the user running the
   mah-jong server.

- - CAN-2003-0706 (denial of service)

  This vulnerability could be exploited by a remote attacker to cause
  the mah-jong server to enter a tight loop and stop responding to
  commands.

For the stable distribution (woody) these problems have been fixed in
version 1.4-2.

For the unstable distribution (sid) these problems have been fixed in
version 1.5.6-2.

We recommend that you update 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_1.4-2.dsc
      Size/MD5 checksum:      579 b473dfb32c1765f3b96a1d4897a728a5
    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2.diff.gz
      Size/MD5 checksum:    23814 c0465cd149b6f9bfc7f0096ab5d0d192
    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_1.4-2_alpha.deb
      Size/MD5 checksum:   311378 0ff83a703283cad7faa06609d330d9ef

  ARM architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_arm.deb
      Size/MD5 checksum:   272324 e6974d354918f6f4d0dffa3bb3eb4b9f

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_i386.deb
      Size/MD5 checksum:   250012 a4f7d586918c3a712d073aa9e8e42bd5

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_ia64.deb
      Size/MD5 checksum:   379856 b63ee72a1a2f4ac16e902ae0f8b5b3e1

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_hppa.deb
      Size/MD5 checksum:   286728 c4c544f15f09199b753848cb7ee417d9

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_m68k.deb
      Size/MD5 checksum:   234410 91682fc41ab6fb8b57ebfb09681f3180

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_mips.deb
      Size/MD5 checksum:   261874 977e1d059bbaca988a3cb60636e74d17

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_mipsel.deb
      Size/MD5 checksum:   261666 45e1785dd5c17dcbec971fc8024b8787

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_powerpc.deb
      Size/MD5 checksum:   271566 5d25f219fdb987ca014775ae4ae9ee9c

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_s390.deb
      Size/MD5 checksum:   246116 be071c93713eb1257f9a8b8225968ad8

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/m/mah-jong/mah-jong_1.4-2_sparc.deb
      Size/MD5 checksum:   269392 78b122c5b4145b039dda06d4e16cfe48

  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)

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w5fxjmEjVzpNWzgcO/lBpsQ=
=t7CW
-----END PGP SIGNATURE-----


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