CVE-2020-24718

HIGHScheduled

Published:Sep 25, 2020(5 years ago)

Modified:Nov 21, 2024

Local AccessNo InteractionScope ChangesLow Complexity

Vulnerability Description

bhyve, as used in FreeBSD through 12.1 and illumos (e.g., OmniOS CE through r151034 and OpenIndiana through Hipster 2020.04), does not properly restrict VMCS and VMCB read/write operations, as demonstrated by a root user in a container on an Intel system, who can gain privileges by modifying VMCS_HOST_RIP.

Attack Characteristics

Local AccessLow ComplexityHigh PrivilegesNo User Interaction

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AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
freebsd	freebsd	11.2	-
freebsd	freebsd	-	-
freebsd	freebsd	-

Timeline

Published
CVE disclosed publicly
Sep 25, 20205 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

https://github.com/illumos/illumos-gate/blob/84971882a96ac0fecd538b022...Exploit
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:28.bhyve_vmcs.as...Vendor Advisory
https://security.netapp.com/advisory/ntap-20201016-0002/Third Party Advisory

CVSS Score

v3.1

8.2/ 10.0

HIGH

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

At a Glance

Affected Products

References

freebsd / freebsd

CVE-2020-24718

Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

CVE-2020-24718

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description