| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in VMware ESXi, Workstation and Fusion. Affected by this issue is some unknown functionality of the component 3D Graphics. Executing a manipulation can lead to out-of-bounds. This vulnerability is registered as CVE-2019-5520. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.
Details
A vulnerability has been found in VMware ESXi, Workstation and Fusion (Virtualization Software) (version unknown) and classified as critical. This vulnerability affects an unknown function of the component 3D Graphics. 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 ESXi (6.7 before ESXi670-201904101-SG and 6.5 before ESXi650-201903001), Workstation (15.x before 15.0.3 and 14.x before 14.1.6), Fusion (11.x before 11.0.3 and 10.x before 10.1.6) updates address an out-of-bounds read vulnerability. Exploitation of this issue requires an attacker to have access to a virtual machine with 3D graphics enabled. Successful exploitation of this issue may lead to information disclosure.The workaround for this issue involves disabling the 3D-acceleration feature. This feature is not enabled by default on ESXi and is enabled by default on Workstation and Fusion.
The bug was discovered 04/11/2019. The weakness was published 04/15/2019 by Richard Zhu with Fluoroacetate (Website). The advisory is shared for download at vmware.com. This vulnerability was named CVE-2019-5520 since 01/07/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly 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†). Similar entries are available at VDB-132693, VDB-132694, VDB-133418 and VDB-133419. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.vmware.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.6VulDB Meta Temp Score: 6.5
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
NVD Vector: 🔍
CVSSv2
| 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: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
01/07/2019 🔍03/21/2019 🔍
04/11/2019 🔍
04/15/2019 🔍
04/16/2019 🔍
05/30/2020 🔍
Sources
Vendor: vmware.comAdvisory: vmware.com
Researcher: Richard Zhu
Organization: Fluoroacetate
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2019-5520 (🔍)
GCVE (CVE): GCVE-0-2019-5520
GCVE (VulDB): GCVE-100-133420
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: 🔍
Entry
Created: 04/16/2019 10:40Updated: 05/30/2020 06:35
Changes: 04/16/2019 10:40 (62), 05/30/2020 06:35 (6)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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