VMware ESXi/Workstation/Fusion Vertex Shader out-of-bounds read

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
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A vulnerability, which was classified as critical, has been found in VMware ESXi, Workstation and Fusion (Virtualization Software) (affected version not known). Affected by this issue is an unknown code block of the component Vertex Shader. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-125. Impacted is confidentiality, integrity, and availability.

The bug was discovered 04/11/2019. The weakness was presented 04/15/2019 by Richard Zhu with Fluoroacetate (Website). The advisory is available at vmware.com. This vulnerability is handled as CVE-2019-5516 since 01/07/2019. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371743 (VMware Workstation (14.x,15.x), Fusion (10.x,11.x) Multiple Out-of-Bounds Read Vulnerabilities (VMSA-2019-0006)).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 107541). See 132693, 132694, 133419 and 133420 for similar entries.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Information disclosure
CWE: CWE-125
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: vmware.com


01/07/2019 🔍
03/21/2019 +73 days 🔍
04/11/2019 +21 days 🔍
04/15/2019 +4 days 🔍
04/16/2019 +1 days 🔍
05/29/2020 +409 days 🔍


Vendor: https://www.vmware.com/

Advisory: vmware.com
Researcher: Richard Zhu
Organization: Fluoroacetate
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-5516 (🔍)
SecurityFocus: 107541 - Multiple VMware Products CVE-2019-5518 Out of Bounds Read Write Local Code Execution Vulnerability

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


Created: 04/16/2019 10:39 AM
Updated: 05/29/2020 06:56 PM
Changes: (6) vulnerability_discoverydate advisory_person_name advisory_company_name advisory_confirm_url source_securityfocus_date source_securityfocus_class
Complete: 🔍


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