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zdiNico Golde and Ralf-Philipp WeinmannComsecuris UG (haftungsbeschraenkt)ZDI-17-738
HistorySep 15, 2017 - 12:00 a.m.

VMware Workstation Shader Out-Of-Bounds Write Privilege Escalation Vulnerability

2017-09-1500:00:00
Nico Golde and Ralf-Philipp WeinmannComsecuris UG (haftungsbeschraenkt)
www.zerodayinitiative.com
15

0.003 Low

EPSS

Percentile

65.6%

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of VMware Workstation. An attacker must first obtain the ability to execute low-privileged code on the guest system in order to exploit this vulnerability. The specific flaw exists within the Shader implementation. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the host OS.