From: Chris Evans <scarybeasts@gmail.com> 
Reply-To: Chris Evans <scarybeasts@gmail.com> 
To: vendor-sec@lst.de, security@kde.org 
Subject: [vendor-sec] Koffice RTF import vulnerability 
Errors-To: vendor-sec-admin@lst.de 
Date: Thu, 22 Sep 2005 17:39:16 +0100 
 
Hi, 
 
Advisory appended below. 
Release date is "whenever it's fixed". 
Might be worth running the rest of the test suite referenced. 
 
Cheers 
Chris 
 
CESA-2005-005 - rev 1 
 
KWord RTF import heap corruption 
================================ 
 
Programs affected: KWord 
Severity: Possible arbitrary code execution. 
Discovered date: ForgottenVendor notified date: Sep 22nd 2005 
 
Demo RTF: http://scary.beasts.org/misc/out27.rtf 
(Simple RTF fuzz test suite at http://scary.beasts.org/misc/badrtfs.tar.bz2) 
 
rpm -q koffice-kword 
koffice-kword-1.4.1-4.fc4 
 
Resultant stack trace: 
 
(gdb) bt 
#0  0x06d0706c in _int_malloc () from /lib/libc.so.6 
#1  0x06d08492 in malloc () from /lib/libc.so.6 
#2  0x06aaef56 in operator new () from /usr/lib/libstdc++.so.6 
#3  0x06aaf06d in operator new[] () from /usr/lib/libstdc++.so.6 
#4  0x012d18b9 in QString::setLength () from /usr/lib/qt-3.3/lib/libqt-mt.so.3 
#5  0x012d1a28 in QString::grow () from /usr/lib/qt-3.3/lib/libqt-mt.so.3 
#6  0x012d8143 in QString::operator+= () 
from /usr/lib/qt-3.3/lib/libqt-mt.so.3 
#7  0x007466f9 in RTFImport::convert () from /usr/lib/kde3/librtfimport.so 
 
CESA-2005-005 - rev 1 
Chris Evans 
scarybeasts@gmail.com