VDB-106740 · CVE-2017-4924 · BID 100843

VMware ESXi/Workstation/Fusion SVGA Device out-of-bounds write

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.0	$0-$5k	0.00

A vulnerability classified as very critical has been found in VMware ESXi, Workstation and Fusion (Virtualization Software) (the affected version is unknown). Affected is an unknown code of the component SVGA Device Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

VMware ESXi (ESXi 6.5 without patch ESXi650-201707101-SG), Workstation (12.x before 12.5.7) and Fusion (8.x before 8.5.8) contain an out-of-bounds write vulnerability in SVGA device. This issue may allow a guest to execute code on the host.

The bug was discovered 09/15/2017. The weakness was published 09/15/2017 by Nico Golde (Website). The advisory is shared for download at vmware.com. This vulnerability is traded as CVE-2017-4924 since 12/26/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/13/2021).

The vulnerability scanner Nessus provides a plugin with the ID 103374 (VMware Fusion 8.x < 8.5.8 SVGA Code Execution Vulnerability (VMSA-2017-0015) (macOS)), 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 216130 (VMware ESXi 6.5.0 Patch Release ESXi650-201707101-SG Missing (KB 2149910)).

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

The vulnerability is also documented in the vulnerability database at Tenable (103374). Similar entries are available at 106741 and 106742.

Productinfo

Type

Virtualization Software

Vendor

VMware

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.4
VulDB Meta Temp Score: 9.2

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
ATT&CK: Unknown

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

Nessus ID: 103374
Nessus Name: VMware Fusion 8.x < 8.5.8 SVGA Code Execution Vulnerability (VMSA-2017-0015) (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801027
OpenVAS Name: VMware Fusion SVGA Device Code Execution Vulnerability (Mac OS X)
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: 🔍

Timelineinfo

12/26/2016 🔍
09/14/2017 +262 days 🔍
09/15/2017 +1 days 🔍
09/15/2017 +0 days 🔍
09/15/2017 +0 days 🔍
09/15/2017 +0 days 🔍
09/16/2017 +1 days 🔍
09/21/2017 +5 days 🔍
01/13/2021 +1210 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: vmware.com
Researcher: Nico Golde
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-4924 (🔍)
SecurityTracker: 1039365
SecurityFocus: 100843 - Multiple VMware Products CVE-2017-4924 Out-Of-Bounds Write Local Code Execution Vulnerability

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

Entryinfo

Created: 09/16/2017 14:15
Updated: 01/13/2021 10:32
Changes: 09/16/2017 14:15 (74), 11/17/2019 08:21 (6), 01/13/2021 10:32 (2)
Complete: 🔍