VMware Workstation/Horizon View Client TTF Parser TPView.dll out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in VMware Workstation and Horizon View Client. It has been classified as critical. This affects an unknown part in the library TPView.dll of the component TTF Parser. Performing a manipulation results in out-of-bounds. This vulnerability was named CVE-2017-4912. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in VMware Workstation and Horizon View Client (Virtualization Software) (unknown version). It has been classified as critical. This affects an unknown code block in the library TPView.dll of the component TTF Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

VMware Workstation (12.x prior to 12.5.3) and Horizon View Client (4.x prior to 4.4.0) contain multiple out-of-bounds read vulnerabilities in TrueType Font (TTF) parser in the TPView.dll. On Workstation, this may allow a guest to execute code or perform a Denial of Service on the Windows OS that runs Workstation. In the case of a Horizon View Client, this may allow a View desktop to execute code or perform a Denial of Service on the Windows OS that runs the Horizon View Client. Exploitation is only possible if virtual printing has been enabled. This feature is not enabled by default on Workstation but it is enabled by default on Horizon View.

The bug was discovered 04/18/2017. The weakness was presented 06/08/2017 by Ke Liu with Tencent (Website). The advisory is shared at vmware.com. This vulnerability is uniquely identified as CVE-2017-4912 since 12/26/2016. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 99709 (VMware Horizon View Client 4.x < 4.4.0 Multiple Vulnerabilities (VMSA-2017-0008)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370372 (VMware Workstation Pro and Player Multiple Vulnerabilities.(VMSA-2017-0008)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99709) and SecurityFocus (BID 97921†). See VDB-102088, VDB-102089, VDB-102090 and VDB-102091 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99709
Nessus Name: VMware Horizon View Client 4.x < 4.4.0 Multiple Vulnerabilities (VMSA-2017-0008)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801912
OpenVAS Name: VMware Workstation VMSA-2017-0008.2 Multiple Security Vulnerabilities (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/18/2015 🔍
12/26/2016 +618 days 🔍
04/18/2017 +113 days 🔍
04/18/2017 +0 days 🔍
04/27/2017 +9 days 🔍
06/08/2017 +42 days 🔍
06/08/2017 +0 days 🔍
06/08/2017 +0 days 🔍
12/26/2020 +1297 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: vmware.com
Researcher: Ke Liu
Organization: Tencent
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-4912 (🔍)
GCVE (CVE): GCVE-0-2017-4912
GCVE (VulDB): GCVE-100-102093
SecurityFocus: 97921 - VMware Workstation and Horizon View Client CVE-2017-4912 Remote Code Execution Vulnerability
SecurityTracker: 1038280

scip Labs: https://www.scip.ch/en/?labs.20060413
See also: 🔍

Entryinfo

Created: 06/08/2017 20:23
Updated: 12/26/2020 14:08
Changes: 06/08/2017 20:23 (74), 10/14/2019 16:50 (7), 12/26/2020 14:08 (3)
Complete: 🔍
Cache ID: 216::103

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