Title: ABB Cylon Aspect 3.08.00 (fileSystemUpdate.php) Insecure File Upload
Advisory ID: ZSL-2024-5866
Type: Local/Remote
Impact: Security Bypass, DoS
Risk: (3/5)
Release Date: 28.11.2024

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.

Description

A vulnerability exists in the fileSystemUpdate.php endpoint of the ABB BEMS controller due to improper handling of uploaded files. The endpoint lacks restrictions on file size and type, allowing attackers to upload excessively large or malicious files. This flaw could be exploited to cause Denial-of-Service (DoS) attacks, memory leaks, or buffer overflows, potentially leading to system crashes or further compromise.

Vendor

ABB Ltd. - https://www.global.abb

Affected Version

NEXUS Series, MATRIX-2 Series, ASPECT-Enterprise, ASPECT-Studio
Firmware: <=3.08.00

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)

Vendor Status

[21.04.2024] Vulnerability discovered.
[22.04.2024] Vendor contacted.
[22.04.2024] Vendor responds.
[02.05.2024] Working with the vendor.
[08.03.2024] Vendor released version 3.08.01 to address this issue.
[28.11.2024] Public security advisory released.

PoC

abb_aspect_upload1.txt

Credits

Vulnerability discovered by Gjoko Krstic - <gjoko@zeroscience.mk>

References

[1] https://packetstorm.news/files/id/182910/

Changelog

[28.11.2024] - Initial release
[06.12.2024] - Added reference [1]

Contact

Zero Science Lab

Web: https://www.zeroscience.mk
e-mail: lab@zeroscience.mk