CVE-2020-24718

CVSS V2 High 7.2 CVSS V3 High 8.2
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.
Overview
  • CVE ID
  • CVE-2020-24718
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-09-25T04:23:04
  • Last Modified Date
  • 2022-01-01T18:39:11
Weakness Enumerations
CWE URL
CWE-862 http://cwe.mitre.org/data/definitions/862.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* 1 OR 11.2
cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p10:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p11:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p12:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p13:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p7:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p8:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:p9:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.3:rc3:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.4:beta1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.4:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:11.4:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p10:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p11:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p12:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p2:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p3:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p4:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p5:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p6:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p7:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p8:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.0:p9:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:* 1 OR
cpe:2.3:o:freebsd:freebsd:12.1:p9:*:*:*:*:*:* 1 OR
cpe:2.3:o:omniosce:omnios:*:*:*:*:community:*:*:* 1 OR r151034
cpe:2.3:o:openindiana:openindiana:*:*:*:*:*:*:*:* 1 OR hipster_2020.04
cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.2
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.5
  • Impact Score
  • 6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-24718
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24718
History
Created Old Value New Value Data Type Notes
2022-05-10 06:39:43 Added to TrackCVE
2022-12-04 23:21:59 2020-09-25T04:23Z 2020-09-25T04:23:04 CVE Published Date updated
2022-12-04 23:21:59 2022-01-01T18:39:11 CVE Modified Date updated
2022-12-04 23:21:59 Analyzed Vulnerability Status updated