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Category:   Application (Generic)  >   KDE Vendors:   KDE.org
kdelibs Heap Overflows Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1027709
SecurityTracker URL:  http://securitytracker.com/id/1027709
CVE Reference:   CVE-2012-4512, CVE-2012-4513   (Links to External Site)
Date:  Oct 31 2012
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Two vulnerabilities were reported in kdelibs. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted Cascading Style Sheets that, when loaded by the target user via an application that uses kdelibs, will trigger a heap overflow and execute arbitrary code on the target system [CVE-2012-4512]. The code will run with the privileges of the target user.

A remote user can create specially crafted HTML that, when loaded by the target user via an application that uses kdelibs, will trigger a heap over-read in calculating canvas dimensions for large images and execute arbitrary code on the target system [CVE-2012-4513]. The code will run with the privileges of the target user.

Impact:   A remote user can create web content that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued a fix, available at:

http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=a872c8a969a8bd3706253d6ba24088e4f07f3352

http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=1f8b1b034ccf1713a5d123a4c327290f86d17d53

Vendor URL:  www.kde.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:   Linux (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Oct 31 2012 (Red Hat Issues Fix) kdelibs Heap Overflows Let Remote Users Execute Arbitrary Code   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 6.
Oct 31 2012 (Red Hat Issues Fix) kdelibs Heap Overflows Let Remote Users Execute Arbitrary Code   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 6 FasTrack.



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