CVE-2023-22614

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. There is insufficient input validation in BIOS Guard updates. An attacker can induce memory corruption in SMM by supplying malformed inputs to the BIOS Guard SMI handler.

*Credits: N/A

CVSS Scores

NISTv3.1 8.8

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-01-04 CVE Reserved
2023-04-11 CVE Published
2023-05-09 EPSS Updated
2024-08-02 CVE Updated
2024-08-02 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode	2024-08-02

URL	Date	SRC

URL	Date	SRC
https://www.insyde.com/security-pledge	2023-08-14
https://www.insyde.com/security-pledge/SA-2023020	2023-08-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Insyde Search vendor "Insyde"		Insydeh2o Search vendor "Insyde" for product "Insydeh2o"				05.42.52.0026 Search vendor "Insyde" for product "Insydeh2o" and version "05.42.52.0026"		-		Affected
Insyde Search vendor "Insyde"		Insydeh2o Search vendor "Insyde" for product "Insydeh2o"				05.43.01.0026 Search vendor "Insyde" for product "Insydeh2o" and version "05.43.01.0026"		-		Affected
Insyde Search vendor "Insyde"		Insydeh2o Search vendor "Insyde" for product "Insydeh2o"				05.43.12.0056 Search vendor "Insyde" for product "Insydeh2o" and version "05.43.12.0056"		-		Affected
Insyde Search vendor "Insyde"		Insydeh2o Search vendor "Insyde" for product "Insydeh2o"				05.44.34.0054 Search vendor "Insyde" for product "Insydeh2o" and version "05.44.34.0054"		-		Affected
Insyde Search vendor "Insyde"		Insydeh2o Search vendor "Insyde" for product "Insydeh2o"				05.44.45.0015 Search vendor "Insyde" for product "Insydeh2o" and version "05.44.45.0015"		-		Affected
Insyde Search vendor "Insyde"		Insydeh2o Search vendor "Insyde" for product "Insydeh2o"				05.44.45.0028 Search vendor "Insyde" for product "Insydeh2o" and version "05.44.45.0028"		-		Affected