bugtraq - [USN-91-1] EXIF library vulnerability

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Message-ID: <20050307171851.GA22714@box79162.elkhouse.de>
Date: Mon, 7 Mar 2005 18:18:51 +0100
From: Martin Pitt <martin.pitt@...onical.com>
To: ubuntu-security-announce@...ts.ubuntu.com
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.netsys.com
Subject: [USN-91-1] EXIF library vulnerability

===========================================================
Ubuntu Security Notice USN-91-1		     March 07, 2005
libexif vulnerabilities
https://bugzilla.ubuntulinux.org/7152
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 4.10 (Warty Warthog)

The following packages are affected:

libexif10

The problem can be corrected by upgrading the affected package to
version 0.6.9-1ubuntu0.1.  In general, a standard system upgrade is
sufficient to effect the necessary changes.

Details follow:

Sylvain Defresne discovered that the EXIF library did not properly
validate the structure of the EXIF tags. By tricking a user to load an
image with a malicious EXIF tag, an attacker could exploit this to
crash the process using the library, or even execute arbitrary code
with the privileges of the process.

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif_0.6.9-1ubuntu0.1.diff.gz
      Size/MD5:     3179 e9fd1d2236959505cf178a020c188055
    http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif_0.6.9-1ubuntu0.1.dsc
      Size/MD5:      601 2da73dc518844cf3461f3d962dd8c54a
    http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif_0.6.9.orig.tar.gz
      Size/MD5:   520956 0aa142335a8a00c32bb6c7dbfe95fc24

  amd64 architecture (Athlon64, Opteron, EM64T Xeon)

    http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif-dev_0.6.9-1ubuntu0.1_amd64.deb
      Size/MD5:    67246 05d61f165d5dcbe88cca2c3fe241e1f3
    http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif10_0.6.9-1ubuntu0.1_amd64.deb
      Size/MD5:    81306 de2d6751deca8eefd36d88436be4e9cc

  i386 architecture (x86 compatible Intel/AMD)

    http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif-dev_0.6.9-1ubuntu0.1_i386.deb
      Size/MD5:    64274 032c168632797a2a3ca36b2d994e8dcf
    http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif10_0.6.9-1ubuntu0.1_i386.deb
      Size/MD5:    78850 7f55dde4ed21e72732b90407ba1138e9

  powerpc architecture (Apple Macintosh G3/G4/G5)

    http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif-dev_0.6.9-1ubuntu0.1_powerpc.deb
      Size/MD5:    68474 9005e4ceb739ab6d1866a5cd7637a0b3
    http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif10_0.6.9-1ubuntu0.1_powerpc.deb
      Size/MD5:    80436 b4b646bd56dae9b6483450f597272cc9

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