Schneider Electric CitectSCADA

Multiple buffer overflows in ActUWzd.dll 1.0.0.1 in Mitsubishi MX Component 3, as distributed in Citect CitectFacilities 7.10 and CitectScada 7.10r1, allow remote attackers to execute arbitrary code via a long string, as demonstrated by a long WzTitle property value to a certain ActiveX control.

Schneider Electric StruxureWare SCADA Expert Vijeo Citect 7.40, Vijeo Citect 7.20 through 7.30SP1, CitectSCADA 7.20 through 7.30SP1, StruxureWare PowerSCADA Expert 7.30 through 7.30SR1, and PowerLogic SCADA 7.20 through 7.20SR1 do not properly handle exceptions, which allows remote attackers to cause a denial of service via a crafted packet.

In Vijeo Citect 7.30 and 7.40, and CitectSCADA 7.30 and 7.40, a vulnerability has been identified that may allow an authenticated local user access to Citect user credentials.

A successful exploit of these vulnerabilities requires the local user to load a crafted DLL file in the system directory on servers running Schneider Electric OFS v3.5 with version v7.40 of SCADA Expert Vijeo Citect/CitectSCADA, OFS v3.5 with version v7.30 of Vijeo Citect/CitectSCADA, and OFS v3.5 with version v7.20 of Vijeo Citect/CitectSCADA.. If the application attempts to open that file, the application could crash or allow the attacker to execute arbitrary code. Schneider Electric recommends vulnerable users upgrade the OFS to V3.5 and install the latest service pack (SP 6 or newer) for their associated version.

Schneider Electric Vijeo Citect 7.20 and earlier, CitectSCADA 7.20 and earlier, and PowerLogic SCADA 7.20 and earlier allow remote attackers to read arbitrary files, send HTTP requests to intranet servers, or cause a denial of service (CPU and memory consumption) via an XML document containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

Buffer overflow in an unspecified third-party component in the Batch module for Schneider Electric CitectSCADA before 7.20 and Mitsubishi MX4 SCADA before 7.20 allows local users to execute arbitrary code via a long string in a login sequence.