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Category:   Application (Generic)  >   VMware Horizon Vendors:   VMware
VMware Horizon View Client Let Local Users on the Guest System Cause Denial of Service Conditions or Execute Arbitrary Code on the Host System
SecurityTracker Alert ID:  1039836
SecurityTracker URL:  http://securitytracker.com/id/1039836
CVE Reference:   CVE-2017-4935, CVE-2017-4936, CVE-2017-4937   (Links to External Site)
Date:  Nov 17 2017
Impact:   Denial of service via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.x
Description:   Multiple vulnerabilities were reported in VMware Horizon View Client. 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 View desktop can trigger an out-of-bounds memory write error in Cortado ThinPrint ('TPView.dll') to cause denial of service conditions or execute arbitrary code on the host system [CVE-2017-4935]. Systems with virtual printing enabled are affected.

A local user on the View desktop can trigger an out-of-bounds memory read error in Cortado ThinPrint ('TPView.dll') in the in JPEG2000 parser to cause denial of service conditions or execute arbitrary code on the host system [CVE-2017-4936, CVE-2017-4937]. Systems with virtual printing enabled are affected.

Anonymous (via ZDI) and Ke Liu of Tencent's Xuanwu Lab 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:   VMware has issued a fix (4.6.1).

The VMware advisory is available at:

http://www.vmware.com/security/advisories/VMSA-2017-0018.html

Vendor URL:  www.vmware.com/security/advisories/VMSA-2017-0018.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (Any)

Message History:   None.


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