Hyper-V vSMB Remote Code Execution Vulnerability
CVE-2017-0021 is fixed in 4 products on 1 platform, first by KB4013429, released March 14, 2017. It is not reported as exploited. Patch Radar priority: Urgent.
<p>A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate vSMB packet data. An attacker who successfully exploited these vulnerabilities could execute arbitrary code on a target operating system.</p> <p>To exploit these vulnerabilities, an attacker running inside a virtual machine could run a specially crafted application that could cause the Hyper-V host operating system to execute arbitrary code.</p> <p>The update addresses the vulnerabilities by correcting how Windows Hyper-V validates vSMB packet data.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.953 | KB4013429 | Mar 14, 2017 |
| Windows 10 Version 1607 for x64-based Systems | 14393.953 | KB4013429 | Mar 14, 2017 |
| Windows Server 2016 | 14393.953 | KB4013429 | Mar 14, 2017 |
| Windows Server 2016 (Server Core installation) | 14393.953 | KB4013429 | Mar 14, 2017 |
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