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VMware Workstation: Workstation stack overflow via authenticated VNC session (VMSA-2017-0021) (CVE-2017-4941)

Severity CVSS Published Added Modified
6 (AV:N/AC:M/Au:S/C:P/I:P/A:P) December 20, 2017 January 02, 2018 January 15, 2018


VMware ESXi (6.0 before ESXi600-201711101-SG, 5.5 ESXi550-201709101-SG), Workstation (12.x before 12.5.8), and Fusion (8.x before 8.5.9) contain a vulnerability that could allow an authenticated VNC session to cause a stack overflow via a specific set of VNC packets. Successful exploitation of this issue could result in remote code execution in a virtual machine via the authenticated VNC session. Note: In order for exploitation to be possible in ESXi, VNC must be manually enabled in a virtual machine's .vmx configuration file. In addition, ESXi must be configured to allow VNC traffic through the built-in firewall.

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