PT-2015-17: SQL injection in Rockwell Automation Micrologix 1100 and 1400 PLC
Version: Series B before FRN 15.000
Version: Series B before FRN 15.003
Severity level: Medium
Impact: SQL injection
Access Vector: Remote
Base Score: 6.5
Rockwell Automation Micrologix 1100 and 1400 are programmable logic controllers.
The specialists of the Positive Research center have detected an SQL injection vulnerability in Rockwell Automation Micrologix 1100 and 1400 PLC.
SQL injection vulnerability exists on Allen-Bradly MicroLogix 1100 and 1400 due to the improper sanitization of user input, which allows remote authenticated users to create new users, delete users, or escalate privileges via a specially crafted link.
How to fix
Update the firmware of your device to the latest version
11.06.2015 - Vendor gets vulnerability details
27.10.2015 - Vendor releases fixed version and details
03.12.2015 - Public disclosure
The vulnerability was detected by Ilya Karpov, Positive Research Center (Positive Technologies Company)
Reports on the vulnerabilities previously discovered by Positive Research: