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CVE-2023-22613

HIGH

8.8

Description

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. It is possible to write to an attacker-controlled address. An attacker could invoke an SMI handler with a malformed pointer in RCX that overlaps SMRAM, resulting in SMM memory corruption.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/11/2023

Last Modified2/11/2025

Sourcenvd

Honeypot Sightings0

Affected Products

insyde:insydeh2o

Weaknesses (CWE)

CWE-787CWE-787

References

https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/(cve@mitre.org)

https://www.insyde.com/security-pledge(cve@mitre.org)

https://www.insyde.com/security-pledge/SA-2023023(cve@mitre.org)

https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/(af854a3a-2127-422b-91ae-364da2661108)

https://www.insyde.com/security-pledge(af854a3a-2127-422b-91ae-364da2661108)

https://www.insyde.com/security-pledge/SA-2023023(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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