VDB-243040 · CVE-2023-34046 · VMSA-2023-0022

VMware Fusion up to 13.4 on macOS Installation toctou

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.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in VMware Fusion up to 13.4 on macOS. The affected element is an unknown function of the component Installation. Executing a manipulation can lead to toctou. This vulnerability is registered as CVE-2023-34046. The attack needs to be launched locally. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in VMware Fusion up to 13.4 on macOS and classified as critical. This vulnerability affects an unknown function of the component Installation. The manipulation with an unknown input leads to a toctou vulnerability. The CWE definition for the vulnerability is CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 10/20/2023 as VMSA-2023-0022. The advisory is shared for download at vmware.com. This vulnerability was named CVE-2023-34046. There are neither technical details nor an exploit publicly available.

Upgrading to version 13.5 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

VMware

Name

Fusion

Version

License

commercial

Website

Vendor: https://www.vmware.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CNA Base Score: 6.7
CNA Vector (VMware): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Fusion 13.5

Timelineinfo

05/25/2023 🔍
10/20/2023 +148 days 🔍
10/20/2023 +0 days 🔍
11/12/2023 +23 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2023-0022
Status: Confirmed

CVE: CVE-2023-34046 (🔍)
GCVE (CVE): GCVE-0-2023-34046
GCVE (VulDB): GCVE-100-243040
scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 10/20/2023 10:18
Updated: 11/12/2023 07:53
Changes: 10/20/2023 10:18 (40), 11/12/2023 07:48 (2), 11/12/2023 07:53 (21)
Complete: 🔍
Cache ID: 216::103