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Category:   Application (Generic)  >   VMware Vendors:   VMware
VMware vmxnet3 Stack Memory Initialization Lets Remote Users on a Guest System Gain Elevated Privileges on the Host System
SecurityTracker Alert ID:  1042054
SecurityTracker URL:  http://securitytracker.com/id/1042054
CVE Reference:   CVE-2018-6981   (Links to External Site)
Date:  Nov 9 2018
Impact:   User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in VMware. A remote user on the guest system can gain elevated privileges on the host system.

A remote user on the guest system can exploit an uninitialized stack memory usage in the vmxnet3 virtual network adapter to gain elevated privileges on the host system [CVE-2018-6981]. Systems with vmxnet3 enabled are affected.

The organizers of GeekPwn2018 and security researcher Zhangyanyu of Chaitin Tech reported this vulnerability.

Impact:   A remote user on the guest system can gain elevated privileges on the host system.
Solution:   VMware has issued a fix.

The VMware advisory is available at:

http://www.vmware.com/security/advisories/VMSA-2018-0027.html

Vendor URL:  www.vmware.com/security/advisories/VMSA-2018-0027.html (Links to External Site)
Cause:   Access control error

Message History:   None.


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