Debian: xzgv arbitrary code execution fix
Posted by Joe Shakespeare   
Debian 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.

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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
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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.

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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 ' and http://packages.debian.org/