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VMware fixed zero-day flaws demonstrated at Pwn2Own2024 | #hacking | #cybersecurity | #infosec | #comptia | #pentest | #hacker


VMware fixed zero-day flaws demonstrated at Pwn2Own Vancouver 2024

Pierluigi Paganini
May 14, 2024

VMware fixed four flaws in its Workstation and Fusion desktop hypervisors, including three zero-days exploited at the Pwn2Own Vancouver 2024

VMware addressed four vulnerabilities in its Workstation and Fusion desktop hypervisors, including three zero-day flaws demonstrated at the Pwn2Own Vancouver 2024.

Below are descriptions of the flaws addressed by the virtualization giant

  • CVE-2024-22267 (CVSS score: 9.3) – A use-after-free vulnerability in the Bluetooth device. A threat 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.
  • CVE-2024-22268 (CVSS score: 7.1) – A heap buffer-overflow vulnerability in the Shader functionality. A threat actor with non-administrative access to a virtual machine with 3D graphics enabled may be able to exploit this vulnerability to create a denial of service condition.
  • CVE-2024-22269 (CVSS score: 7.1) – An information disclosure vulnerability in the Bluetooth device. A threat actor with local administrative privileges on a virtual machine may be able to read privileged information contained in hypervisor memory from a virtual machine.
  • CVE-2024-22270 (CVSS score: 7.1) – An information disclosure vulnerability in the Host Guest File Sharing (HGFS) functionality. A malicious actor with local administrative privileges on a virtual machine may be able to read privileged information contained in hypervisor memory from a virtual machine.

The vendor also provided temporary workarounds, such as disabling Bluetooth support and 3D acceleration, until patches can be applied to address vulnerabilities like CVE-2024-22267, CVE-2024-22269, and CVE-2024-22270. The company doesn’t provide any mitigations to address CVE-2024-22270.

STAR Labs SG and Theori demonstrated these vulnerabilities during the Pwn2Own hacking contest in March 2024.

“VMware would like to thank Gwangun Jung (@pr0ln) & Junoh Lee (@bbbig12) of Theori (@theori_io) and STAR Labs SG working with the Pwn2Own 2024 Security Contest for independently reporting this issue to us.” reads the advisory.

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Pierluigi Paganini

(SecurityAffairs – hacking, zero-day)



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