PT-2014-43: Heap-based buffer overflow in Honeywell EPKS
Severity level: High
Impact: Remote code execution, denial of service
Access Vector: Remote
Base Score: 7.6
CVE: not assigned
Honeywell Experion PKS is a cost-effective open control and safety system that expands the role of distributed control. Experion provides a safe, robust, scalable, plant-wide system with unprecedented connectivity through all levels of the plant.
The specialists of the Positive Research center have detected a Heap-based buffer overflow vulnerability in Honeywell EPKS.
Heap-based buffer overflow was discovered in function svc_puttag() from dual_onsrv.exe module which could lead to possible remote code execution or denial of service
How to fix
Update your sofware up to the latest version
06.03.2014 - Vendor gets vulnerability details
02.06.2014 - Vendor releases fixed version and details
18.11.2014 - Public disclosure
The vulnerability was detected by Alexander Tlyapov and Gleb Gritsai, Positive Research Center (Positive Technologies Company)
Reports on the vulnerabilities previously discovered by Positive Research: