Vulnerability Description
This vulnerability allows local attackers to disclose information on affected installations of Parallels Desktop 15.1.3-47255. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handler for HOST_IOCTL_INIT_HYPERVISOR in the prl_hypervisor kext. The issue results from the exposure of dangerous method or function to the unprivileged user. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-10518.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Parallels | Parallels Desktop | < 16.0.0 |
Related Weaknesses (CWE)
References
- https://kb.parallels.com/en/125013Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1009/Third Party AdvisoryVDB Entry
- https://kb.parallels.com/en/125013Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1009/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2020-17391?
CVE-2020-17391 is a vulnerability with a CVSS score of 6.5 (MEDIUM). This vulnerability allows local attackers to disclose information on affected installations of Parallels Desktop 15.1.3-47255. An attacker must first obtain the ability to execute low-privileged code ...
How severe is CVE-2020-17391?
CVE-2020-17391 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-17391?
Check the references section above for vendor advisories and patch information. Affected products include: Parallels Parallels Desktop.