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Category:   Application (Generic)  >   VMware Vendors:   VMware
VMware Workstation Heap Overflows Let Local Users on the Guest System Deny Service or Gain Elevated Privileges on the Host System
SecurityTracker Alert ID:  1038280
SecurityTracker URL:  http://securitytracker.com/id/1038280
CVE Reference:   CVE-2017-4908, CVE-2017-4909, CVE-2017-4910, CVE-2017-4911, CVE-2017-4912   (Links to External Site)
Date:  Apr 18 2017
Impact:   Denial of service via network, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Workstation 12.x
Description:   Two vulnerabilities were reported in VMware Workstation. A local user on the guest system can cause denial of service conditions on the host system. A local user on the guest system can gain elevated privileges on the host system.

A local user on the guest system can create a specially crafted JPEG2000 [CVE-2017-4908] or TrueType Font [CVE-2017-4909] file that, when printed, will trigger a heap overflow in Cortado ThinPrint (TPView.dll) and cause denial of service conditions or execute arbitrary code on the host Windows operating system that is running Workstation.

Systems with virtual printing enabled are affected.

A local user on the guest system can create a specially crafted JPEG2000 [CVE-2017-4910, CVE-2017-4911] or TrueType Font [CVE-2017-4912] file that, when printed, will trigger an out-of-bounds memory access error in Cortado ThinPrint (TPView.dll) and cause denial of service conditions or execute arbitrary code on the host Windows operating system that is running Workstation.

Systems with virtual printing enabled are affected.

Ke Liu of Tencent's Xuanwu Lab, Gogil of STEALIEN (via ZDI), and Giwan Go of STEALIEN (via ZDI) reported these vulnerabilities.

Impact:   A local user on the guest system can cause denial of service conditions on the host system.

A local user on the guest system can gain elevated privileges on the host system.

Solution:   The vendor has issued a fix (12.5.3).

The vendor advisory is available at:

http://www.vmware.com/security/advisories/VMSA-2017-0008.html

Cause:   Access control error, Boundary error
Underlying OS:  Windows (Any)

Message History:   None.


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