KDE kjs: URI heap overflow vulnerability

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200601-11 / KDE
Release Date	January 22, 2006
Latest Revision	January 22, 2006: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
kde-base/kdelibs	< 3.4.3-r1	>= 3.4.3-r1	All supported architectures

Related bugreports: #118550

Synopsis

KDE fails to properly validate URIs when handling javascript, potentially resulting in the execution of arbitrary code.

2. Impact Information

Background

KDE is a feature-rich graphical desktop environment for Linux and Unix-like Operating Systems. kjs is the javascript interpreter used in Konqueror and other parts of KDE.

Description

Maksim Orlovich discovered an incorrect bounds check in kjs when handling URIs.

Impact

By enticing a user to load a specially crafted webpage containing malicious javascript, an attacker could execute arbitrary code with the rights of the user running kjs.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All kdelibs users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose kde-base/kdelibs-3.4.3-r1

4. References

Updated January 22, 2006

Summary: This is a Gentoo Linux Security Advisory

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