KPdf, KOffice: Stack overflow in included Xpdf code

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200501-32 / kpdf, koffice
Release Date	January 23, 2005
Latest Revision	January 23, 2005: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
app-office/koffice	< 1.3.5-r2	>= 1.3.5-r2	All supported architectures
kde-base/kdegraphics	< 3.3.2-r2	>= 3.3.2-r2, revision >= 3.2.3-r4	All supported architectures

Related bugreports: #78619, #78620

Synopsis

KPdf and KOffice both include vulnerable Xpdf code to handle PDF files, making them vulnerable to the execution of arbitrary code.

2. Impact Information

Background

KPdf is a KDE-based PDF viewer included in the kdegraphics package. KOffice is an integrated office suite for KDE.

Description

KPdf and KOffice both include Xpdf code to handle PDF files. Xpdf is vulnerable to a new stack overflow, as described in GLSA 200501-28.

Impact

An attacker could entice a user to open a specially-crafted PDF file, potentially resulting in the execution of arbitrary code with the rights of the user running the affected application.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All KPdf users should upgrade to the latest version of kdegraphics:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose kde-base/kdegraphics

All KOffice users should upgrade to the latest version:

Code Listing 3.2: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose app-office/koffice

4. References

Updated January 23, 2005

Summary: This is a Gentoo Linux Security Advisory

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