Friday, May 24, 2024

Vmware Workstation & Fusion Flaws Let Attackers Execute Arbitrary Code

Multiple security flaws affecting VMware Workstation and Fusion have been addressed by upgrades published by VMware.

If these vulnerabilities are successfully exploited, attackers may be able to obtain privileged data from the device, execute arbitrary code, and cause a denial of service.

VMware issued patches and workarounds to address these vulnerabilities tracked as (CVE-2024-22267, CVE-2024-22268, CVE-2024-22269, CVE-2024-22270).

An Overview Of Each Of The Flaws

VMware Workstation And Fusion Vulnerability (CVE-2024-22267) 

The vbluetooth device in VMware Workstation and Fusion has a use-after-free vulnerability.

VMware determined that this problem has a maximum CVSSv3 base score of 9.3, placing it in the Critical severity range.

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“A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine’s VMX process running on the host”, the Broadcom-owned virtualization services provider said.

Gwangun Jung (@pr0ln) and Junoh Lee (@bbbig12) of Theori (@theori_io) and STAR Labs SG, in collaboration with the Pwn2Own 2024 Security Contest, reported the issue. 

VMware Workstation And Fusion Shader Heap Buffer-Overflow Vulnerability (CVE-2024-22268) 

A heap buffer-overflow vulnerability exists in the Shader functionality of VMware Workstation and Fusion.

VMware determined that this problem has a maximum CVSSv3 base score of 7.1, placing it in the Important severity level.

This vulnerability might allow a malicious actor with non-administrative access to a virtual machine that has 3D graphics enabled to cause a denial of service condition.

Pwn2car disclosed this bug along with the Trend Micro Zero Day Initiative.

VMware Workstation And Fusion Vbluetooth Information Disclosure Vulnerability (CVE-2024-22269) 

The vbluetooth device in VMware Workstation and Fusion has an information leak vulnerability.

VMware determined that this issue has a maximum CVSSv3 base score of 7.1, placing it in the Important severity level.

A hostile actor may be able to read privileged data from a virtual machine’s hypervisor memory if they have local administrative privileges on the virtual machine.

STAR Labs SG disclosed this bug in collaboration with the Pwn2Own 2024 Security Contest.

VMware Workstation And Fusion HGFS Information Disclosure Vulnerability (CVE-2024-22270) 

The Host Guest File Sharing (HGFS) feature of VMware Workstation and Fusion contains a vulnerability related to information exposure.

VMware determined that this issue has a maximum CVSSv3 base score of 7.1, placing it in the Important severity level.

A malicious actor may be able to read privileged data from a virtual machine’s hypervisor memory if they have local administrative privileges on the virtual machine.

This vulnerability was discovered by Gwangun Jung (@pr0ln) and Junoh Lee (@bbbig12) of Theori (@theori_io), who took part in the Pwn2Own 2024 Security Contest.

Fixes Available

The vulnerability impacts Workstation versions 17.x and Fusion versions 13.x with fixes available in version 17.5.2 and 13.5.2 respectively.

Users of the impacted VMware products are advised to install the patch as soon as they can.

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Guru baran
Guru baranhttps://gbhackers.com
Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

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