Protected View is a security feature of Microsoft Office. According to research from MWR Labs, Protected View mode is a strong application-level sandbox. In a real-world attack scenario, Office documents from the Internet, such as downloaded documents from browsers (Chrome, Edge, Internet Explorer), or attachments received on emails clients (such as Outlook), are opened by default in […]

COM (Component Object Model) is a technology in Microsoft Windows that enables software components to communicate with each other; it is one of the fundamental architectures in Windows. From the security point of view, several “features” built into COM have lead to many security vulnerabilities. These features include ActiveX (an Internet Explorer plug-in technology), the […]

Microsoft Office documents play an important role in our work and personal lives. In the last couple years, unfortunately, we have seen a number of exploits, especially some critical zero-day attacks, delivered as Office documents. Here are a couple of standouts: CVE-2014-4114/6352, the “Sandworm” zero-day attack, reported in October 2014. McAfee Labs has provided in-depth […]

Adobe Flash vulnerabilities and exploits have worried users and security professionals for many years. The situation today remains serious. A quick search of the National Vulnerability Database shows 277 vulnerabilities reported in Flash Player since 2011. For Flash zero-day attacks (which means that there was no patch from Adobe when the vulnerability was exploited), researcher […]

This is the second part of our analysis of the Sandworm OLE zero-day vulnerability and the MS14-060 patch bypass. Check out the first part here. Microsoft’s Patch From our previous analysis we’ve learned that the core of this threat is its ability to effectively right-click a file. Now, let’s see what Microsoft did in its patch […]