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kpdf Buffer Overflow Vulnerability
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SUMMARY
kpdf, the KDE pdf viewer, shares code with xpdf. xpdf contains a buffer
overflow that can be triggered by a specially crafted PDF file. We
reported about xpdf's buffer overflow in our previous article:
<http://www.securiteam.com/unixfocus/6U00T0AC0S.html> Multiple Vendor xpdf
PDF Viewer Buffer Overflow Vulnerability.
DETAILS
Vulnerable Systems:
* KDE 3.2 up to including KDE 3.2.3
* KDE 3.3 up to including KDE 3.3.2
Impact:
Remotely supplied pdf files can be used to execute arbitrary code on the
client machine.
Solution:
Source code patches have been made available that fix these
vulnerabilities. Contact your OS vendor / binary package provider for
information about how to obtain updated binary packages.
Patch:
Patch for KDE 3.2.3 is available from
<ftp://ftp.kde.org/pub/kde/security_patches>
ftp://ftp.kde.org/pub/kde/security_patches:
6f345c4b89f0bc27522f5d62bfd941cd post-3.2.3-kdegraphics-2.diff
Patch for KDE 3.3.2 is available from
<ftp://ftp.kde.org/pub/kde/security_patches>
ftp://ftp.kde.org/pub/kde/security_patches:
0ac92868d3b84284e54877e32cde521f post-3.3.2-kdegraphics.diff
Time line and credits:
21/12/2004 KDE Security Team alerted by Matthias Geerdsen
22/12/2004 Patch from xpdf 3.00pl2 applied to KDE CVS and patches
prepared.
23/12/2004 Public disclosure.
CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1125>
CAN-2004-1125
ADDITIONAL INFORMATION
The information has been provided by <mailto:mueller@kde.org> Dirk
Mueller.
The original article can be found at:
<http://www.kde.org/info/security/advisory-20041223-1.txt>
http://www.kde.org/info/security/advisory-20041223-1.txt
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