VMware sandbox escape bugs are so critical, patches are released for end-of-life products

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VMware is urging customers to patch critical vulnerabilities that make it possible for hackers to break out of sandbox and hypervisor protections in all versions, including out-of-support ones, of VMware ESXi, Workstation, Fusion, and Cloud Foundation products.

A constellation of four vulnerabilities—two carrying severity ratings of 9.3 out of a possible 10—are serious because they undermine the fundamental purpose of the VMware products, which is to run sensitive operations inside a virtual machine that’s segmented from the host machine. VMware officials said that the prospect of a hypervisor escape warranted an immediate response under the company’s IT Infrastructure Library, a process usually abbreviated as ITIL.

“Emergency change”

“In ITIL terms, this situation qualifies as an emergency change, necessitating prompt action from your organization,” the officials wrote in a post. “However, the appropriate security response varies depending on specific circumstances.”

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