![]() For example, a web browser application should not be able to read the memory used by a password manager. Modern operating systems rely on certain security features that prevent unprivileged processes from reading the memory of other unprivileged processes or privileged processes (like the system kernel). Spectre (CVE-2017-5715 and CVE-2017-5753) on the other hand, theoretically affects all processors that use speculative execution (more on that later), including most modern processors manufactured by Intel, AMD, ARM and potentially more.īefore diving in to a high-level overview of these vulnerabilities and how they work, if you are a WatchGuard customer and want to know how these vulnerabilities affect you, please see our knowledge base article on the subject. As a quick preview to that article, some of our products use affected processors, but the practical impact of these flaws is low because our products do not allow the arbitrary code execution required for exploitation. The more severe vulnerability, Meltdown (CVE-2017-5754), appears isolated to Intel processors developed in the last 10 years. ![]() ![]() On 3 January 2018, security researchers at Google, Graz University of Technology, and several other education institutions disclosed multiple vulnerabilities found in most modern Intel, AMD and ARM processors. ![]()
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