VMware Fusion 11.0.0/11.0.1/11.0.2 API input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in VMware Fusion 11.0.0/11.0.1/11.0.2. Affected is an unknown function of the component API. Such manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2019-5514. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in VMware Fusion 11.0.0/11.0.1/11.0.2 and classified as critical. Affected by this issue is an unknown function of the component API. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

VMware VMware Fusion (11.x before 11.0.3) contains a security vulnerability due to certain unauthenticated APIs accessible through a web socket. An attacker may exploit this issue by tricking the host user to execute a JavaScript to perform unauthorized functions on the guest machine where VMware Tools is installed. This may further be exploited to execute commands on the guest machines.

The bug was discovered 03/28/2019. The weakness was disclosed 04/01/2019 by Csaba Fitzl (CodeColorist) (Website). The advisory is shared for download at vmware.com. This vulnerability is handled as CVE-2019-5514 since 01/07/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. 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 371719 (VMware Workstation (14.x,15.x), Fusion (10.x,11.x) Multiple Vulnerabilities (VMSA-2019-0005)).

Upgrading to version 11.0.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 107637†). The entries VDB-132693, VDB-132694, VDB-132716 and VDB-132717 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Fusion 11.0.3

Timelineinfo

01/07/2019 🔍
03/28/2019 +80 days 🔍
03/28/2019 +0 days 🔍
04/01/2019 +4 days 🔍
04/02/2019 +1 days 🔍
08/21/2023 +1602 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: 152290
Researcher: Csaba Fitzl (CodeColorist)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-5514 (🔍)
GCVE (CVE): GCVE-0-2019-5514
GCVE (VulDB): GCVE-100-132692
SecurityFocus: 107637 - VMware Fusion CVE-2019-5514 Local Security Bypass Vulnerability

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

Entryinfo

Created: 04/02/2019 08:13
Updated: 08/21/2023 10:59
Changes: 04/02/2019 08:13 (62), 05/23/2020 16:17 (6), 08/21/2023 10:59 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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