CVE-2021-27242

Summary

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.0.1-48919. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Toolgate component. 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 code in the context of the hypervisor. Was ZDI-CAN-11926.

Affected Software

Weaknesses

• CWE-787: CWE-787: Out-of-bounds Write

ADP Enrichment

CVE Program Container

Additional References

• https://kb.parallels.com/en/125013
• https://www.zerodayinitiative.com/advisories/ZDI-21-209/

References

• https://kb.parallels.com/en/125013
• https://www.zerodayinitiative.com/advisories/ZDI-21-209/

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