VMware Workstation up to 12.5.7 DLL Loader untrusted search path

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

Summaryinfo

A vulnerability classified as problematic has been found in VMware Workstation up to 12.5.7. Impacted is an unknown function of the component DLL Loader. This manipulation causes untrusted search path. This vulnerability is registered as CVE-2017-4939. The attack needs to be launched locally. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in VMware Workstation up to 12.5.7 (Virtualization Software). Affected by this vulnerability is some unknown processing of the component DLL Loader. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

VMware Workstation (12.x before 12.5.8) installer contains a DLL hijacking issue that exists due to some DLL files loaded by the application improperly. This issue may allow an attacker to load a DLL file of the attacker's choosing that could execute arbitrary code.

The bug was discovered 11/16/2017. The weakness was published 11/17/2017 (Website). It is possible to read the advisory at vmware.com. This vulnerability is known as CVE-2017-4939 since 12/26/2016. Attacking locally is a requirement. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

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 to version 12.5.8 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 databases at Tenable (104853) and SecurityFocus (BID 101890†). Similar entries are available at VDB-109670, VDB-109671, VDB-109672 and VDB-109673. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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: 🔍

Upgrade: Workstation 12.5.8

Timelineinfo

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

Sourcesinfo

Vendor: vmware.com

Advisory: vmware.com
Researcher: Björn Ruytenberg
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-4939 (🔍)
GCVE (CVE): GCVE-0-2017-4939
GCVE (VulDB): GCVE-100-109675
SecurityFocus: 101890 - VMware Workstation DLL Loading CVE-2017-4939 Local Code Execution Vulnerability

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

Entryinfo

Created: 11/18/2017 09:01
Updated: 01/24/2021 12:42
Changes: 11/18/2017 09:01 (71), 12/08/2019 15:13 (5), 01/24/2021 12:42 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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