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Category:   Application (Generic)  >   VMware Horizon Vendors:   VMware
VMware Horizon View Buffer Overflows Let Remote Users Execute Arbitrary Code and Guest Users Deny Service and Gain Elevated Privileges
SecurityTracker Alert ID:  1038281
SecurityTracker URL:  http://securitytracker.com/id/1038281
CVE Reference:   CVE-2017-4907, CVE-2017-4908, CVE-2017-4909, CVE-2017-4910, CVE-2017-4911, CVE-2017-4912, CVE-2017-4913   (Links to External Site)
Date:  Apr 18 2017
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.2.x, 7.x
Description:   Multiple vulnerabilities were reported in VMware Horizon View. A remote user can execute arbitrary code on the target system. 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 remote user can send specially crafted data to trigger a heap overflow and execute arbitrary code on the target system [CVE-2017-4907].

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 the Horizon View Client.

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.

A local user on the guest system can create a specially crafted TrueType Font file that, when printed, will trigger an integer 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 the Horizon View Client [CVE-2017-4913].

Systems with virtual printing enabled are affected.

Claudio Moletta (redr2e), Ke Liu of Tencent's Xuanwu Lab, Gogil of STEALIEN (via ZDI), and Giwan Go of STEALIEN (via ZDI) reported these vulnerabilities.

Impact:   A remote user can execute arbitrary code on the target system.

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 (6.2.4, 7.1.0).

The vendor advisory is available at:

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

Vendor URL:  www.vmware.com/security/advisories/VMSA-2017-0008.html (Links to External Site)
Cause:   Access control error, Boundary error

Message History:   None.


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