[STANKOINFORMZASCHITA-10-02] ITS SCADA � Authorization bypass
Authors: Eugene Salov (firstname.lastname@example.org), Andrej Komarov (email@example.com)
Product: ITS SCADA
CVSS v2 Base Score: 9.0 (AV:N/AC:L/Au:R/C:C/I:C/A:C)
Impact Subscore: 10.0
Exploitability Subscore: 8.0
Availability of exploit: Yes
ITS SCADA is Supervisory Control And Data Acquisition system (SCADA), which can be interfaces with various heterogeneous industrial automation equipment of Motorola MOSCAD family. Additionally, it can be installed with elements of Wonderware company products environment (Industrial SQL Server, MODBUS I/O Server).
An unauthorized access of database fields data can be done with help of SQL-injection exploitation. Moreover, it can helps attacker to bypass authorization without any password validation.
«RTUinfo»: SiteNum, SiteType, Description;
«Alarms»: EventStamp, AlarmState, TagName, Description, Operator, Provider, EventStampUTC;
«BWMInfo»: RTU, SalesLocation, Description, Type, Summ;
«dtproperties»: id, objectid, property, value, uvalue, version;
«FlowData»: Site, iDate, DateTime, Rate, Peak, Average, Total, Lvl;
«sysconstraints»: constid, id, colid, spare1, status, actions, error;
«syssegments»: segment, name, status;
«Users»: UID, Password, AccessLevel.
Given elements of database structure contain various information about connected telemetric devices, users, occurred refusals and alarms, execution course of technological process performance.
User ID = 1' or 1=(select top 1 password from Users)--
Password = blank
There is no available security update for now. It is highly recommended not to use default passwords for user authorization. Moreover, additionally you can use ACL lists for allowing access only from trusted hosts. Another additional mesaure of safety is using of Web Application Firewalls (WAF) and IPS/IDS systems in the area where SCADA system is located.
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Science Technology Center (STC) «STANKOINFORMZACHITA» is the leading information security company in Russian Federation in sphere of automation and industrial security, providing information security consulting services, information security audit, penetration testing of SCADA and industrial control systems.
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