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[SECURITY] [DSA 608-1] New zgv packages fix arbitrary code execution
From: joey () infodrom org (Martin Schulze)
Date: Tue, 14 Dec 2004 11:36:45 +0100 (CET)

Hash: SHA1

- --------------------------------------------------------------------------
Debian Security Advisory DSA 608-1                     security () debian org
http://www.debian.org/security/                             Martin Schulze
December 14th, 2004                     http://www.debian.org/security/faq
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Package        : zgv
Vulnerability  : integer overflows, unsanitised input
Problem-Type   : remote
Debian-specific: no
CVE ID         : CAN-2004-1095 CAN-2004-0999
BugTraq ID     : 11556

Several vulnerabilities have been discovered in zgv, an SVGAlib
graphics viewer for the i386 architecture.  The Common Vulnerabilities
and Exposures Project identifies the following problems:


    Luke Macken and "infamous41md" independently discoverd multiple
    integer overflows in zgv.  Remote exploitation of an integer
    overflow vulnerability could allow the execution of arbitrary


    Mikulas Patocka discovered that malicious multiple-image (e.g.
    animated) GIF images can cause a segmentation fault in zgv.

For the stable distribution (woody) these problems have been fixed in
version 5.5-3woody1.

For the unstable distribution (sid) these problems will be fixed soon.

We recommend that you upgrade your zgv 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:

      Size/MD5 checksum:      601 f6114a026863db918a6bd9a6cc201a97
      Size/MD5 checksum:     8541 f501ad407808235577b2bc746ddfe4e6
      Size/MD5 checksum:   329235 629386a4df72f6ec007319bf12db1374

  Intel IA-32 architecture:

      Size/MD5 checksum:   211772 36e675c74bafb546e5f6fb0da36385c3

  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 <pkg>' and http://packages.debian.org/<pkg>

Version: GnuPG v1.2.5 (GNU/Linux)


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