KDE KPDF "FoFiType1::parse()" Integer Underflow Vulnerability

Secunia ID	SA37641
CVE-ID	CVE-2009-4035
Release Date	16 Dec 2009
Criticality	Highly Critical
Solution Status	Unpatched
Software	KDE 3.x
Where	From remote
Impact	DoS (Denial of Service) This includes vulnerabilities ranging from excessive resource consumption (e.g. causing a system to use a lot of memory) to crashing an application or an entire system. System access This covers vulnerabilities where malicious people are able to gain system access and execute arbitrary code with the privileges of a local user.
Description	A vulnerability has been reported in KDE KPDF, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused due to an integer underflow within the "FoFiType1::parse()" function in xpdf/fofi/FoFiType1.cc, which can be exploited to cause a stack-based buffer overflow by e.g. tricking a user into opening a specially crafted PDF file. The vulnerability is reported in version 3.5.10. Other versions may also be affected.
Solution	Use another PDF viewer (e.g. Okular).
Reported by	Red Hat credits Petr Gajdos and Christian Kornacker, SUSE
Original Advisory	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-4035