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Category:   Application (Generic)  >   VMware Vendors:   VMware
VMware Workstation and Fusion Buffer Overflows in Processing VNC Packets Let Remote Authenticated Users Execute Arbitrary Code
SecurityTracker Alert ID:  1040025
SecurityTracker URL:  http://securitytracker.com/id/1040025
CVE Reference:   CVE-2017-4933, CVE-2017-4941   (Links to External Site)
Updated:  Dec 19 2017
Original Entry Date:  Dec 19 2017
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Workstation 12.x, Fusion 8.x
Description:   Two vulnerabilities were reported in VMware Workstation and Fusion. A remote authenticated user can execute arbitrary code on the target system.

A remote authenticated user can send specially crafted VNC packets to trigger a stack overflow and execute arbitrary code within the target virtual machine [CVE-2017-4941].

A remote authenticated user can send specially crafted VNC packets to trigger a heap overflow and execute arbitrary code within the target virtual machine [CVE-2017-4933].

Lilith Wyatt of Cisco Talos and another member of Cisco Talos reported these vulnerabilities.

Impact:   A remote authenticated user can execute arbitrary code on the target system.
Solution:   VMware has issued a fix (Workstation 12.5.8, Fusion 8.5.9).

The VMware advisory is available at:

https://www.vmware.com/security/advisories/VMSA-2017-0021.html

Vendor URL:  www.vmware.com/security/advisories/VMSA-2017-0021.html (Links to External Site)
Cause:   Boundary error

Message History:   None.


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