Multiple privilege escalation vulnerabilities in VMware Fusion

Published: 2023-10-20

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-34045 CVE-2023-34046
CWE-ID	CWE-362 CWE-264
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	VMware Fusion Client/Desktop applications / Virtualization software
Vendor	VMware, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Race condition

EUVDB-ID: #VU82270

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-34045

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition that occurs during installation for the first time (the user needs to drag or copy the application to a folder from the '.dmg' volume) or when installing an upgrade. A local user can exploit the race and gain root privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware Fusion: 13.0 - 13.0.2

External links

http://www.vmware.com/security/advisories/VMSA-2023-0022.html

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU82271