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Category:   Application (Generic)  >   GTK+ Vendors:   gtk.org
GLib Base64 Encoding/Decoding Integer Overflows May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1021884
SecurityTracker URL:  http://securitytracker.com/id/1021884
CVE Reference:   CVE-2008-4316   (Links to External Site)
Date:  Mar 24 2009
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): GLib prior to 2.20
Description:   A vulnerability was reported in GLib. A remote user can cause arbitrary code to be executed on the target system.

A remote user can submit specially crafted data that, when processed by the target application using GLib, will trigger an integer overflow and crash the application or potentially execute arbitrary code on the target system. The code will run with the privileges of the target application.

The vulnerability resides in Base64 encoding and decoding functions in 'glib/gbase64.c'.

Diego Petten reported this vulnerability.

The original advisory is available at:

http://www.ocert.org/advisories/ocert-2008-015.html

Impact:   A remote user can create data that, when processed by the target application, will crash the target application or execute arbitrary code on the target system.
Solution:   The vendor has issued a fixed version of GLib (2.20).

The vendor's advisory is available at:

http://svn.gnome.org/viewvc/glib?view=revision&revision=7973

Vendor URL:  gtk.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 24 2009 (Red Hat Issues Fix) GLib Base64 Encoding/Decoding Integer Overflows May Let Remote Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux 5.



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