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KOffice PowerPoint Files Integer Overflow Vulnerability
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Secunia Advisory:
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SA23143
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Release Date:
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2006-11-30
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Last Update:
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2006-12-06
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Popularity:
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8,119 views
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | KOffice 1.x
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| | CVE reference: | CVE-2006-6120
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Description:
A vulnerability has been reported in KOffice, which can be exploited by malicious people to potentially compromise a user's system.
The vulnerability is caused due to an integer overflow within the "KLaola::readBigBlockDepot()" method in filters/olefilters/lib/klaola.cc. This can be exploited to cause a heap-based buffer overflow by e.g. tricking a user into opening a specially crafted PowerPoint (*.ppt) file.
Successful exploitation may allow the execution of arbitrary code.
Solution:
Update to KOffice 1.6.1.
Provided and/or discovered by:
Kees Cook, Ubuntu
Changelog:
2006-12-06: Changed credits to Kees Cook, added link to KDE advisory.
Original Advisory:
KDE advisory:
http://www.kde.org/info/security/advisory-20061205-1.txt
KOffice 1.6.1 changelog:
http://www.koffice.org/announcements/changelog-1.6.1.php
Subversion commit:
http://websvn.kde.org/branches/koffic...ev=607037&r1=566347&r2=607037
Other References:
http://www.ubuntu.com/usn/usn-388-1
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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