CVE-2022-35867 — MEDIUM (6.7)

Vulnerability Description

This vulnerability allows local attackers to escalate privileges on affected installations of xhyve. 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 e1000 virtual device. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-15056.

CVSS Score

6.7

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Xhyve Project	Xhyve	0.2.0

Related Weaknesses (CWE)

CWE-121

References

https://www.zerodayinitiative.com/advisories/ZDI-22-949/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-949/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2022-35867?

CVE-2022-35867 is a vulnerability with a CVSS score of 6.7 (MEDIUM). This vulnerability allows local attackers to escalate privileges on affected installations of xhyve. An attacker must first obtain the ability to execute high-privileged code on the target guest syste...

How severe is CVE-2022-35867?

CVE-2022-35867 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-35867?

Check the references section above for vendor advisories and patch information. Affected products include: Xhyve Project Xhyve.