VMware ESXi vmxnet3 Stack Memory Initialization Bugs Let Remote Users on a Guest System Gain Elevated Privileges on the Host System
|
|
SecurityTracker Alert ID: 1042055 |
|
SecurityTracker URL: http://securitytracker.com/id/1042055
|
|
CVE Reference:
CVE-2018-6981, CVE-2018-6982
(Links to External Site)
|
Date: Nov 9 2018
|
Impact:
Disclosure of system information, Disclosure of user information, User access via network
|
Fix Available: Yes Vendor Confirmed: Yes
|
|
Description:
Two vulnerabilities were reported in VMware ESXi. A remote user on the guest system can gain elevated privileges on the host system. A remote user on the guest system can obtain potentially sensitive information.
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.
A remote user on the guest system can exploit an uninitialized stack memory usage in the vmxnet3 virtual network adapter to cause information to leak from the host to the guest domain [CVE-2018-6982]. Systems with vmxnet3 enabled are affected.
The organizers of GeekPwn2018 and security researcher Zhangyanyu of Chaitin Tech reported these vulnerabilities.
|
Impact:
A remote user on the guest system can gain elevated privileges on the host system.
A remote user on the guest system can obtain potentially sensitive information.
|
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.
|
Source Message Contents
|
|
|
[Original Message Not Available for Viewing]
|
|
