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CVE-2020-24718 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/illumos/illumos-gate/blob/84971882a96ac0fecd538b02208054a872ff8af3/usr/src/uts/i86pc/io/vmm/intel/vmcs.c#L246-L249 Exploit  Third Party Advisory 
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:28.bhyve_vmcs.asc Vendor Advisory 
https://security.netapp.com/advisory/ntap-20201016-0002/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-862 Missing Authorization cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-24718
NVD Published Date:
09/25/2020
NVD Last Modified:
01/01/2022
Source:
MITRE