Buffer overflow in Delta Controls Inc. products - CVE-2019-9569

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to the lack of input validation. A remote attacker on the same network can send a specially crafted request to the affected system, trigger buffer overflow, gain complete control of the device’s operating system and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

How to mitigate CVE-2019-9569

Sources

• https://securingtomorrow.mcafee.com/other-blogs/mcafee-labs/hvacking-understanding-the-delta-between-security-and-reality/
• https://www.deltacontrols.com/products/hvac-controls/central-plant-controllers/entelibus