PT-2022-22978 · Xhyve · Xhyve

Alisa Esage · Published 2022-07-06 · Updated 2022-08-09 · CVE-2022-35867

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions xhyve (affected versions not specified)

Description This issue allows local attackers to escalate privileges on affected installations. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this issue. 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 issue to escalate privileges and execute arbitrary code in the context of the hypervisor.

Recommendations At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

CVE-2022-35867

ZDI-22-949

Affected Products

Xhyve

References · 5

• https://osv.dev/vulnerability/CVE-2022-35867 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-22-949 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-35867 · Security Note
• https://t.me/cvenotify/34456 · Telegram Post
• https://t.me/cibsecurity/47506 · Telegram Post