CVE-2023-50227: parallels desktop Memory Corruption

Description

Parallels Desktop virtio-gpu Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Parallels Desktop. User interaction is required to exploit this vulnerability in that the target in a guest system must visit a malicious page or open a malicious file. 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 write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the hypervisor. . Was ZDI-CAN-21260.

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CVSS v3.1 Score

8.3

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
parallels	parallels_desktop	< 19.1.0_\(54729\)

References

Advisories & Patches

https://kb.parallels.com/en/125013 https://kb.parallels.com/en/125013

Other References

https://www.zerodayinitiative.com/advisories/ZDI-23-1804/ https://www.zerodayinitiative.com/advisories/ZDI-23-1804/

Frequently Asked Questions

What is CVE-2023-50227? +

Parallels Desktop virtio-gpu Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Parallels Desktop. User interaction is required to exploit this vulnerability in that the target in a guest system must visit a malicious page or open a malicious file. 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 write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the hypervisor. . Was ZDI-CAN-21260. It has a CVSS v3.1 base score of 8.3 (HIGH).

How severe is CVE-2023-50227? +

CVE-2023-50227 has a CVSS v3.1 score of 8.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-50227? +

CVE-2023-50227 affects products from parallels, specifically: parallels_desktop. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-50227? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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