PT-2014-39: Directory traversal in Honeywell EPKS Vulnerable softwareHoneywell EPKS Version: R311Link: http://honeywell.com/Severity levelSeverity level: Medium Impact: Directory traversal Access Vector: Remote CVSS v2: Base Score: 5.0 Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)CVE: not assignedSoftware descriptionHoneywell 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. Vulnerability descriptionThe specialists of the Positive Research center have detected a Directory traversal vulnerability in Honeywell EPKS.Function hsc_s_confpnt() from module confd.exe doesn’t check input and output filename parameters for command which leads to file inclusion as stated in previous vulnerability and also allows to request resources via directory traversal which allows to read system files.How to fixUpdate your sofware up to the latest versionAdvisory status 06.03.2014 - Vendor gets vulnerability details 02.06.2014 - Vendor releases fixed version and details 18.11.2014 - Public disclosureCreditsThe vulnerability was detected by Kirill Nesterov, Positive Research Center (Positive Technologies Company)Referenceshttp://en.securitylab.ru/lab/PT-2014-39 Reports on the vulnerabilities previously discovered by Positive Research:http://www.ptsecurity.com/research/advisory/ http://en.securitylab.ru/lab/