ABB AC500 PLC Webserver CoDeSys Vulnerability

Overview ICS-CERT has been notified of a buffer overflow vulnerability in the ABB AC500 PLC Webserver application. Successful exploitation of this vulnerability could lead to a denial of service DoS, affecting the availability of the service. This vulnerability is related to ICS-CERT Advisory,...

ICS-CERT Warns of Serious Flaws in Tridium Niagara Software

The DHS and ICS-CERT are warning users of some popular Tridium Niagara AX industrial control system software about a series of major vulnerabilities in the applications that are remotely exploitable and could be used to take over vulnerable systems. The bugs, discovered by researchers Billy Rios...

Siemens SiPass Server Buffer Overflow

OVERVIEW This advisory provides mitigation details provided by Siemens for a vulnerability that impacts the Siemens SiPass server. Siemens has reported a buffer overflow vulnerability in the Siemens SiPass server. Lucas Apa of IOActive discovered this vulnerability and reported it directly to...

Siemens Patches Stuxnet-Like SCADA Bugs

German industrial control system manufacturer Siemens announced Monday that it had patched holes in some of its products that appear to resemble holes used by the famous Stuxnet worm in 2010. If left unpatched, vulnerabilities in the company’s Simatic STEP 7 and Simatic PCS 7 software could have...

WellinTech KingView User Credentials Not Securely Hashed

Overview This advisory is a follow-up to the alert titled ICS-ALERT-12-212-02 WellinTech KingView User Credentials Not Securely Hashed that was published July 30, 2012, on the ICS-CERT Web page. Dr. Wesley McGrew of Mississippi State University has identified a default credential vulnerability in...

Optimalog Optima PLC Multiple Vulnerabilities

Overview Independent researcher Luigi Auriemma identified a NULL Pointer Dereference and an Infinite Loop and released proof-of-concept exploit code for Optimalog’s Optima PLC application without coordination with ICS-CERT, the vendor, or any other coordinating entity known to ICS-CERT. Optimalog...

Emerson DeltaV Buffer Overflow

Overview ICS-CERT originally released Advisory ICSA-12-265-01P on the US-CERT Portal on September 21, 2012. This web page release was delayed to provide the vendor time to contact customers concerning this information. Researcher Kuang-Chun Hung of the Security Research and Service...

Fultek WinTr Directory Traversal

Overview Researcher Daiki Fukumori of Cyber Defense Institute has identified a directory traversal vulnerability in Fultek’s WinTr SCADA application. Fultek was unable to validate this vulnerability and has not offered any mitigation plans. ICS-CERT has validated the vulnerability. This...

InduSoft ISSymbol ActiveX Control Buffer Overflow

Overview ICS-CERT received a report from Indusoft and the Zero Day Initiative ZDI concerning a heap-based buffer overflow vulnerability affecting the InduSoft ISSymbol ActiveX control. This vulnerability was reported to ZDI by security researcher Alexander Gavrun. Successful exploitation of this...

DHS Issues Joint Warning On Flame's Windows Update Hack

The U.S. Department of Homeland Security is warning IT administrators and operators of industry control systems about the danger posed by the Flame aka sKyWIper malware after Microsoft acknowledged that the malware is able to spoof its Windows Update service to push malicious code onto vulnerable...

Siemens COMOS Database Privilege Escalation Vulnerability

Overview Siemens has reported a privilege escalation vulnerability in the Siemens COMOS database application. Siemens has produced an update that fixes this vulnerability. This vulnerability could be exploited remotely. Affected Products Siemens reports that the vulnerability affects the followin...

CERT Warns On Critical Hole In SCADA Software By Italian Firm Progea

The U.S. Department of Homeland Security issued a bulletin on Thursday warning readers about a previously undisclosed, critical vulnerability in Movicon 11, a product used to manage critical infrastructure including the manufacturing, energy and water sectors. DHS’s Industrial Control Systems Cyb...

Siemens SIMATIC S7-400 PN CPU DoS

Overview Siemens has reported to ICS-CERT that denial-of-service DoS vulnerabilities exist in the SIMATIC S7-400 V6 and SIMATIC S7-400 V5 PN CPU products. Siemens has produced a firmware update that mitigates the vulnerability affecting the S7-400 V6. Siemens will not fix the vulnerability that...

ICONICS GENESIS32/BizViz Security Configurator Authentication Bypass Vulnerability

Overview Dr. Wesley McGrew of Mississippi State University has identified an authentication bypass vulnerability leading to privilege escalation in the ICONICS GENESIS32 and BizViz applications, specifically in the Security Configurator component. This vulnerability allows an attacker to bypass...

Siemens SIMATIC STEP 7 DLL Vulnerability

Overview Siemens has released a software update for a DLL hijacking vulnerability in SIMATIC STEP 7 and SIMATIC PCS 7 software. Previous versions of SIMATIC STEP 7 and PCS 7 allowed the loading of malicious DLL files into the STEP 7 project folder that can be used to attack the system on which ST...

Siemens WinCC Insecure SQL Server Authentication

Overview Siemens has released a software update for an insecure SQL server authentication vulnerability in Siemens’ SIMATIC WinCC and SIMATIC PCS 7 software. Previous versions of SIMATIC WinCC use default SQL server credentials that allowed administrative access to the database. The default...

RuggedCom Rugged Operating System (ROS) contains hard-coded user account with predictable password

Overview RuggedCom Rugged Operating System ROS contains a hard-coded user account with a predictable password. Description RuggedCom Rugged Operating System ROS, used in RuggedCom network infrastructure devices, contains a hard-coded user account named "factory" that cannot be disabled. The...

OSIsoft PI OPC DA Interface Buffer Overflow

Overview ICS-CERT has received a report from OSIsoft concerning a stack-based buffer overflow in the PI OPC DA Interface software that could cause the software to crash or allow a remote attacker to execute arbitrary code. This vulnerability was discovered during a software assessment requested b...

No Patch Coming for Newly Announced Vulnerabilities in ABB Legacy Products

Two independent researchers who’ve been warning of the threat of serious attacks against bug-riddled ICS and SCADA systems today issued an alert through ICS-CERT that vulnerabilities in ABB products could lead to DoS attacks or allow an attacker to remotely launch malicious code. No patch is...

Invensys Wonderware InTouch 10 DLL Hijack

Overview ICS-CERT originally released Advisory ICSA-12-177-01P on the US-CERT Portal on July 05, 2012. This web page release was delayed to provide the vendor time to contact customers concerning this information. Independent researcher Carlos Mario Penagos Hollmann has identified an uncontrolled...