Advisory Details

March 30th, 2017

(Pwn2Own) VMware Workstation Uninitialized Memory Information Disclosure Vulnerability

CVE ID	CVE-2017-4905
CVSS SCORE	4.9, AV:L/AC:L/Au:N/C:C/I:N/A:N
AFFECTED VENDORS	VMware
AFFECTED PRODUCTS	VMware Workstation
VULNERABILITY DETAILS	This vulnerability allows local attackers to disclose sensitive information on vulnerable installations of VMware Workstation. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of the Backdoor communications channel. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the hypervisor.
ADDITIONAL DETAILS	VMware has issued an update to correct this vulnerability. More details can be found at: http://www.vmware.com/security/advisories/VMSA-2017-0006.html
DISCLOSURE TIMELINE	2017-03-18 - Vulnerability reported to vendor 2017-03-30 - Coordinated public release of advisory
CREDIT	Tencent Security - Team Sniper (Keen Lab and PC Mgr)

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