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KPdf: Heap based overflow


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200602-05 / kdegraphics, kpdf
Release Date February 12, 2006
Latest Revision February 12, 2006: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
kde-base/kdegraphics < 3.4.3-r4 >= 3.4.3-r4 All supported architectures
kde-base/kpdf < 3.4.3-r4 >= 3.4.3-r4 All supported architectures

Related bugreports: #121375


KPdf includes vulnerable Xpdf code to handle PDF files, making it vulnerable to the execution of arbitrary code.

2.  Impact Information


KPdf is a KDE-based PDF viewer included in the kdegraphics package.


KPdf includes Xpdf code to handle PDF files. Dirk Mueller discovered that the Xpdf code is vulnerable a heap based overflow in the splash rasterizer engine.


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

3.  Resolution Information


There is no known workaround at this time.


All kdegraphics users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=kde-base/kdegraphics-3.4.3-r4"

All Kpdf users should upgrade to the latest version:

Code Listing 3.2: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=kde-base/kpdf-3.4.3-r4"

4.  References


Page updated February 12, 2006

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