CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

A vulnerability was found in VMware Workstation and Horizon View Client (Virtualization Software) (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part in the library TPView.dll of the component JPEG2000 Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

VMware Workstation (12.x before 12.5.8) and Horizon View Client for Windows (4.x before 4.6.1) contain an out-of-bounds read vulnerability in JPEG2000 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.

The bug was discovered 11/16/2017. The weakness was disclosed 11/17/2017 by Ke Liu with Tencent (Website). The advisory is shared for download at vmware.com. This vulnerability was named CVE-2017-4936 since 12/26/2016. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 104853 (VMware Workstation 12.x < 12.5.8 Multiple Vulnerabilities (VMSA-2017-0018)), 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 370662 (VMware Workstation and Fusion Multiple Vulnerabilities (VMSA-2017-0018,VMSA-2017-0021,VMSA-2018-0002)).

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

The vulnerability is also documented in the vulnerability database at Tenable (104853). The entries 109670, 109671, 109673 and 109674 are pretty similar.

Productinfo

Type

• Virtualization Software

Vendor

• VMware

Name

• Horizon View Client
• Workstation

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 104853
Nessus Name: VMware Workstation 12.x < 12.5.8 Multiple Vulnerabilities (VMSA-2017-0018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/26/2016 🔍
11/16/2017 +325 days 🔍
11/16/2017 +0 days 🔍
11/17/2017 +1 days 🔍
11/17/2017 +0 days 🔍
11/18/2017 +1 days 🔍
11/20/2017 +2 days 🔍
11/29/2017 +9 days 🔍
01/24/2021 +1152 days 🔍

Sourcesinfo

Vendor: vmware.com

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

CVE: CVE-2017-4936 (🔍)
SecurityTracker: 1039835
SecurityFocus: 101892 - Multiple VMware Products Out of Bounds Read Multiple Local Arbitrary Code Execution Vulnerabilities

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

Entryinfo

Created: 11/18/2017 09:01
Updated: 01/24/2021 12:24
Changes: 11/18/2017 09:01 (70), 12/08/2019 14:57 (7), 01/24/2021 12:24 (3)
Complete: 🔍

Discussion

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