TITLE:
KOffice KWord RTF Importer Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA17145

VERIFY ADVISORY:
http://secunia.com/advisories/17145/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

REVISION:
1.1 originally posted 2005-10-11

SOFTWARE:
KOffice 1.x
http://secunia.com/product/4155/

DESCRIPTION:
A vulnerability has been reported in KOffice, which can be exploited
by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in the KWord RTF
importer. This can be exploited to cause a heap-based buffer overflow
via a specially crafted RTF file.

Successful exploitation allows arbitrary code execution when a
malicious RTF file is opened.

The vulnerability has been reported in version 1.2.0 through 1.4.1.

SOLUTION:
Apply patches.

KOffice 1.4.1:
ftp://ftp.kde.org/pub/kde/security_patches/post-koffice-1.4.1-rtfimport.diff
9f77b327119fd1db0752dab785e2a975

KOffice 1.3.5:
ftp://ftp.kde.org/pub/kde/security_patches/post-koffice-1.3.5-rtfimport.diff
71a1baa8244dbcc1bfc2bd3c3e3dd40f

KOffice 1.2.1:
ftp://ftp.kde.org/pub/kde/security_patches/post-koffice-1.2.1-rtfimport.diff
b36488a186aded0f5e812397af3c689a

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Chris Evans.

ORIGINAL ADVISORY:
http://www.koffice.org/security/advisory-20051011-1.txt

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