| CVE ID | CVE-2021-34856 |
| CVSS SCORE | 8.2, AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| AFFECTED VENDORS |
Parallels |
| AFFECTED PRODUCTS |
Desktop |
| VULNERABILITY DETAILS |
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the virtio-gpu virtual device. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. |
| ADDITIONAL DETAILS |
Parallels has issued an update to correct this vulnerability. More details can be found at:
https://kb.parallels.com/125013 |
| DISCLOSURE TIMELINE |
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| CREDIT | Ben McBride |
