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Category:   Application (Generic)  >   xzgv Vendors:   Marks, Russell
(Debian Issues Fix) xzgv Integer Overflow in Processing PRF Files May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1012653
SecurityTracker URL:  http://securitytracker.com/id/1012653
CVE Reference:   CVE-2004-0994   (Links to External Site)
Date:  Dec 22 2004
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 0.8
Description:   iDEFENSE reported an integer overflow vulnerability in xzgv in the processing of PRF files. A remote user may be able to cause arbitrary code to be executed on the target user's computer.

A remote user can create a specially crafted image file that, when processed by the target user, will trigger an overflow in the read_prf_file() function. As a result, arbitrary code may be executed.

The flaw resides in 'src/readprf.c', where image height and width parameters are not properly limited.

The vendor was notified on November 5, 2004.

The original advisory is available at:

http://www.idefense.com/application/poi/display?type=vulnerabilities

Impact:   A remote user can create a specially crafted image file that, when processed by the target user, will execute arbitrary code on the target user's system with the privileges of the target user.
Solution:   Debian has released a fix.

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

Source archives:

http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2.dsc
Size/MD5 checksum: 579 27ae6cedb8409d1a61250227194a6b18
http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2.diff.gz
Size/MD5 checksum: 6782 fc970417371b3fab54b0cee4bc9ad695
http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7.orig.tar.gz
Size/MD5 checksum: 296814 9a376cc01cf486a2a8901fbc8b040d29

Alpha architecture:

http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_alpha.deb
Size/MD5 checksum: 199532 b3ac4de63867a36dd018ed530f0d10f7

ARM architecture:

http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_arm.deb
Size/MD5 checksum: 187026 299e911e0b72e2ec50a4e2fe483631fd

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_i386.deb
Size/MD5 checksum: 185198 8daddd8cd55896f09bd34a962d506480

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_ia64.deb
Size/MD5 checksum: 219706 d06e18a31733ed58a8f0515d98ae36dd

HP Precision architecture:

http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_hppa.deb
Size/MD5 checksum: 195394 de8fb62bad56ed7b39d14242b82f501d

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_m68k.deb
Size/MD5 checksum: 181580 32bb51323358c9592bcb7a9a6254d378

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_mips.deb
Size/MD5 checksum: 188456 b9db5a09c63151dd48a8c10670828527

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_mipsel.deb
Size/MD5 checksum: 187458 6db543152183971188c0f02b2f06f5e6

PowerPC architecture:

http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_powerpc.deb
Size/MD5 checksum: 189504 c2df06701aef5409b88d342ef826335d

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_s390.deb
Size/MD5 checksum: 188976 530d93c6ca5132b42d64ca60c9fab9b0

Sun Sparc architecture:
http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_sparc.deb
Size/MD5 checksum: 188952 9f5fefef2a5581e77cf94b9ad4e9f042

Vendor URL:  rus.members.beeb.net/xzgv.html (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.
Dec 13 2004 xzgv Integer Overflow in Processing PRF Files May Let Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [SECURITY] [DSA 614-1] New xzgv packages fix arbitrary code execution


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

- --------------------------------------------------------------------------
Debian Security Advisory DSA 614-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
December 21st, 2004                     http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : xzgv
Vulnerability  : integer overflows
Problem-Type   : remote
Debian-specific: no
CVE ID         : CAN-2004-0994

Luke "infamous41md" discoverd multiple vulnerabilities in xzgv, a
picture viewer for X11 with a thumbnail-based selector.  Remote
exploitation of an integer overflow vulnerability could allow the
execution of arbitrary code.

For the stable distribution (woody) these problems have been fixed in
version 0.7-6woody2.

For the unstable distribution (sid) these problems have been fixed in
version 0.8-3.

We recommend that you upgrade your xzgv package immediately.


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/x/xzgv/xzgv_0.7-6woody2.dsc
      Size/MD5 checksum:      579 27ae6cedb8409d1a61250227194a6b18
    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2.diff.gz
      Size/MD5 checksum:     6782 fc970417371b3fab54b0cee4bc9ad695
    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7.orig.tar.gz
      Size/MD5 checksum:   296814 9a376cc01cf486a2a8901fbc8b040d29

  Alpha architecture:

    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_alpha.deb
      Size/MD5 checksum:   199532 b3ac4de63867a36dd018ed530f0d10f7

  ARM architecture:

    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_arm.deb
      Size/MD5 checksum:   187026 299e911e0b72e2ec50a4e2fe483631fd

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_i386.deb
      Size/MD5 checksum:   185198 8daddd8cd55896f09bd34a962d506480

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_ia64.deb
      Size/MD5 checksum:   219706 d06e18a31733ed58a8f0515d98ae36dd

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_hppa.deb
      Size/MD5 checksum:   195394 de8fb62bad56ed7b39d14242b82f501d

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_m68k.deb
      Size/MD5 checksum:   181580 32bb51323358c9592bcb7a9a6254d378

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_mips.deb
      Size/MD5 checksum:   188456 b9db5a09c63151dd48a8c10670828527

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_mipsel.deb
      Size/MD5 checksum:   187458 6db543152183971188c0f02b2f06f5e6

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_powerpc.deb
      Size/MD5 checksum:   189504 c2df06701aef5409b88d342ef826335d

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_s390.deb
      Size/MD5 checksum:   188976 530d93c6ca5132b42d64ca60c9fab9b0

  Sun Sparc architecture:
    http://security.debian.org/pool/updates/main/x/xzgv/xzgv_0.7-6woody2_sparc.deb
      Size/MD5 checksum:   188952 9f5fefef2a5581e77cf94b9ad4e9f042


  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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=E6yk
-----END PGP SIGNATURE-----


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