Cybersecurity

The NCCIC has published an advisory on heap-based buffer overflow and out-of-bounds read vulnerabilities in Delta Electronics CNCSoft ScreenEditor. Versions 1.00.89 and prior are affected. Successful exploitation of these vulnerabilities could cause buffer overflow conditions that may allow information disclosure, remote code execution, or crash the application. Delta Electronics recommends users update to the latest version, Version 1.00.95, and restrict the interaction of the application to trusted files. The NCCIC also advises of a series of measures for mitigating the vulnerabilities.

Microsoft has released its monthly update to address vulnerabilities in its software. For this month, Microsoft has released security updates for Microsoft Windows, Internet Explorer, Microsoft Edge, Microsoft Office and Microsoft Office Services and Web Apps, Azure DevOps, Open Source Software, .NET Framework, Azure, SQL Server, ASP.NET, Visual Studio, and Microsoft Exchange Server. Read the update at Microsoft.

The NCCIC has published an advisory on user after free vulnerability in Schneider Electric Zelio Soft 2. Zelio Soft 2 versions 5.2 and prior are affected. Successful exploitation of this vulnerability could allow remote code execution through the opening of a specially crafted project file. Schneider Electric reports that version 5.3 of the affected software mitigates the reported vulnerability. The NCCIC also advises of a series of measures for mitigating this vulnerability.

The NCCIC has published an advisory on a use of hard-coded credentials vulnerability in Emerson DeltaV Distributed Control System. Versions 11.3.x and 12.3.x are affected. Successful exploitation of this vulnerability could allow an attacker to gain administrative access to DeltaV Smart Switches. Emerson recommends users patch affected products. The NCCIC also advises of a series of measures for mitigating this vulnerability. Read the advisory at CISA.