VMware Workstation/Player up to 9.0.3 DLL Hijacking untrusted search path

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 problematic has been found in VMware Workstation and Player. The impacted element is an unknown function of the component DLL Handler. This manipulation causes untrusted search path (Hijacking). This vulnerability is registered as CVE-2016-7085. The attack needs to be launched locally. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in VMware Workstation and Player (Virtualization Software) and classified as critical. Affected by this vulnerability is some unknown processing of the component DLL Handler. The manipulation with an unknown input leads to a untrusted search path vulnerability (Hijacking). 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:

Untrusted search path vulnerability in the installer in VMware Workstation Pro 12.x before 12.5.0 and VMware Workstation Player 12.x before 12.5.0 on Windows allows local users to gain privileges via a Trojan horse DLL in an unspecified directory.

The weakness was published 09/13/2016 by Mateusz Jurczyk (window) as VMSA-2016-0014 as confirmed security advisory (Website). It is possible to read the advisory at vmware.com. This vulnerability is known as CVE-2016-7085 since 08/23/2016. The exploitation appears to be easy. Attacking locally is a requirement. Required for exploitation is a single authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

It is possible to download the exploit at packetstormsecurity.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 93521 (VMware Workstation 12.x < 12.5.0 Multiple Vulnerabilities (VMSA-2016-0014)), 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 370136 (VMware Workstation Pro and Player Multiple Vulnerabilities. (VMSA-2016-0014)).

Upgrading to version 12.5.0 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 Tenable (93521), SecurityFocus (BID 92940†) and SecurityTracker (ID 1036805†). Similar entries are available at VDB-91611, VDB-91612, VDB-91613 and VDB-91614. Be aware that VulDB is the high quality 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: 7.8
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.0
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

Name: Hijacking
Class: Untrusted search path / Hijacking
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93521
Nessus Name: VMware Workstation 12.x < 12.5.0 Multiple Vulnerabilities (VMSA-2016-0014)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103239
OpenVAS Name: VMSA-2016-0014: VMware ESXi updates address multiple security issues
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Workstation/Player 12.5.0

Timelineinfo

08/23/2016 🔍
09/13/2016 +21 days 🔍
09/13/2016 +0 days 🔍
09/13/2016 +0 days 🔍
09/14/2016 +1 days 🔍
09/14/2016 +0 days 🔍
09/15/2016 +1 days 🔍
12/29/2016 +105 days 🔍
07/02/2024 +2742 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2016-0014
Researcher: Mateusz Jurczyk (window)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7085 (🔍)
GCVE (CVE): GCVE-0-2016-7085
GCVE (VulDB): GCVE-100-91615
SecurityFocus: 92940 - Multiple VMware Workstation Products CVE-2016-7085 DLL Loading Remote Code Execution Vulnerability
SecurityTracker: 1036805

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

Entryinfo

Created: 09/14/2016 20:45
Updated: 07/02/2024 19:20
Changes: 09/14/2016 20:45 (75), 04/17/2019 11:45 (12), 07/02/2024 19:20 (25)
Complete: 🔍
Cache ID: 216::103

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