#VU89634 Improper Initialization in VMware Workstation and VMware Fusion - CVE-2024-22270

Vulnerability identifier: #VU89634

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-22270

CWE-ID: CWE-665

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
VMware Workstation
Client/Desktop applications / Virtualization software
VMware Fusion
Client/Desktop applications / Virtualization software

Vendor: VMware, Inc

Description
The vulnerability allows a malicious guest to gain access to potentially sensitive information.

The vulnerability exists due to improper initialization within the hgfsVMCI_fileread function in the Host Guest File Sharing (HGFS) functionality. A malicious guest with local administrative privileges on a virtual machine can read privileged information contained in hypervisor memory from a virtual machine.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware Workstation: 17.0 - 17.5.1

VMware Fusion: 13.0 - 13.5.1

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External links
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/24280
https://www.zerodayinitiative.com/advisories/ZDI-24-528/

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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.

Is there known malware, which exploits this vulnerability?

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