VMware Workstation/Player DLL Library untrusted search path

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in VMware Workstation and Player. Impacted is an unknown function of the component DLL Library Handler. Executing a manipulation can lead to untrusted search path. This vulnerability appears as CVE-2016-5330. The attack requires local access. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in VMware Workstation and Player (Virtualization Software) (affected version not known). This vulnerability affects some unknown functionality of the component DLL Library Handler. 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 weakness was presented 08/04/2016 by Yorick Koster as VMSA-2016-0010 as confirmed advisory (Website). The advisory is shared for download at vmware.com. This vulnerability was named CVE-2016-5330 since 06/07/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1574.

It is possible to download the exploit at exploit-db.com. It is declared as highly functional. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 92943 (VMware Fusion 8.1.x < 8.1.1 Shared Folders (HGFS) Guest DLL Hijacking Arbitrary Code Execution (VMSA-2016-0010)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216109 (VMware ESXi 6.0 Patch Release ESXi600-201603102-SG Missing (KB 2142184)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (41711), Tenable (92943), SecurityFocus (BID 92323†) and SecurityTracker (ID 1036543†). See VDB-90565, VDB-90566 and VDB-90567 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
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: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92943
Nessus Name: VMware Fusion 8.1.x < 8.1.1 Shared Folders (HGFS) Guest DLL Hijacking Arbitrary Code Execution (VMSA-2016-0010)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 902947
OpenVAS Name: VMware Workstation HGFS Feature Privilege Escalation Vulnerability (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: vmhgfs_webdav_dll_sideload.rb
MetaSploit Name: DLL Side Loading Vulnerability in VMware Host Guest Client Redirector
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

06/07/2016 🔍
08/04/2016 +58 days 🔍
08/04/2016 +0 days 🔍
08/05/2016 +1 days 🔍
08/05/2016 +0 days 🔍
08/07/2016 +2 days 🔍
08/08/2016 +1 days 🔍
08/12/2016 +4 days 🔍
05/23/2025 +3206 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2016-0010
Researcher: Yorick Koster
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-5330 (🔍)
GCVE (CVE): GCVE-0-2016-5330
GCVE (VulDB): GCVE-100-90568
SecurityFocus: 92323 - VMware Tools CVE-2016-5330 DLL Loading Remote Code Execution Vulnerability
SecurityTracker: 1036543

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

Entryinfo

Created: 08/08/2016 09:01
Updated: 05/23/2025 21:14
Changes: 08/08/2016 09:01 (72), 03/21/2019 09:13 (13), 09/12/2022 13:56 (3), 05/23/2025 21:14 (18)
Complete: 🔍
Cache ID: 216::103

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