[CLA-2004:875] Conectiva Security Announcement - gtk+

From: Conectiva Updates (secure_at_conectiva.com.br)
Date: 10/18/04

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Date: Mon, 18 Oct 2004 14:06:18 -0200
To: conectiva-updates@papaleguas.conectiva.com.br, lwn@lwn.net, bugtraq@securityfocus.com, security-alerts@linuxsecurity.com, linsec@lists.seifried.org

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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : gtk+
SUMMARY : Fixes for image loading vulnerabilities
DATE : 2004-10-18 14:01:00
ID : CLA-2004:875
RELEVANT
RELEASES : 9, 10

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DESCRIPTION
The gdk-pixbuf[1] library is a replacement for imlib with many
improvements.

A vulnerability found in the gdk-pixbuf bmp loader could allow a
specially crafted BMP image to hang applications in an infinite loop
(CAN-2004-0753[2]).

Chris Evans[3] found a heap-based overflow and a stack-based overflow
on gdk-pixbuf's xpm loader (CAN-2004-0782[4] and CAN-2004-0783[5]).

He also discovered an integer overflow in the ico loader of
gdk-pixbuf (CAN-2004-0788[6]).

SOLUTION
It is recommended that all gdk-pixbuf and/or gtk+2 users upgrade
their packages.

IMPORTANT: all applications linked against gdk-pixbuf or gtk+2 must
be restarted after the upgrade in order to close the
vulnerabilities.

REFERENCES
1.http://developer.gnome.org/arch/imaging/gdkpixbuf.html
2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0753
3.http://scary.beasts.org/security/CESA-2004-005.txt
4.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0782
5.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0783
6.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0788

ADDITIONAL INSTRUCTIONS
The apt tool can be used to perform RPM packages upgrades:

- run: apt-get update
- after that, execute: apt-get upgrade

Detailed instructions regarding the use of apt and upgrade examples
can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en

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All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en

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All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

- -------------------------------------------------------------------------
Copyright (c) 2004 Conectiva Inc.
http://www.conectiva.com

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Previous message: Dominic Hargreaves: "[FLSA-2004:1804] Updated kernel resolves security vulnerabilities"
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