CVE-2023-34046 VMware Fusion TOCTOU local privilege escalation vulnerability

What is CVE-2023-34046?

CVE-2023-34046 is a medium-severity vulnerability in Vmware Fusion, published on 20 Oct 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

VMware Fusion(13.x prior to 13.5) contains a TOCTOU (Time-of-check Time-of-use) vulnerability 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 malicious actor with local non-administrative user privileges may exploit this vulnerability to escalate privileges to root on the system where Fusion is installed or being installed for the first time.

Weakness: CWE-367

Which versions are affected by CVE-2023-34046?

It affects 1 product.

Products include Vmware Fusion.

How do I fix CVE-2023-34046?

No fix has been published for CVE-2023-34046 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-34046 being exploited?

There is no known exploitation of CVE-2023-34046 in the wild and no public exploit code.

Other vulnerabilities in Vmware Fusion

• CVE-2020-3950 VMware Multiple Products Privilege Escalation Exploited High 7.8
• CVE-2017-4901 Memory corruption in Fusion Pro / Fusion Critical 9.9
• CVE-2024-22267 Use after free in VMware Fusion Critical 9.3
• CVE-2019-5541 Memory corruption in Workstation and Fusion Critical 9.1
• CVE-2024-38811 Code-execution vulnerability High 8.8

All Vmware Fusion vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vrpg-hfmh-2gwf.