Details of VAR-202202-0129

ID

VAR-202202-0129

CVE

CVE-2021-42059

TITLE

InsydeH2O UEFI software impacted by multiple vulnerabilities in SMM

Trust: 0.8

sources: CERT/CC: VU#796611

DESCRIPTION

An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.08.41, Kernel 5.1 before 05.16.41, Kernel 5.2 before 05.26.41, Kernel 5.3 before 05.35.41, and Kernel 5.4 before 05.42.20. A stack-based buffer overflow leads toarbitrary code execution in UEFI DisplayTypeDxe DXE driver. The InsydeH2O Hardware-2-Operating System (H2O) UEFI firmware contains multiple vulnerabilities related to memory management in System Management Mode (SMM).Vulnerability Category Count SMM Privilege Escalation 10 SMM Memory Corruption 12 DXE Memory Corruption 1CVE-2020-27339 Affected CVE-2020-5953 Affected CVE-2021-33625 Affected CVE-2021-33626 Affected CVE-2021-33627 Affected CVE-2021-41837 Affected CVE-2021-41838 Affected CVE-2021-41839 Affected CVE-2021-41840 Affected CVE-2021-41841 Affected CVE-2021-42059 Affected CVE-2021-42060 Not Affected CVE-2021-42113 Affected CVE-2021-42554 Affected CVE-2021-43323 Affected CVE-2021-43522 Affected CVE-2021-43615 Not Affected CVE-2021-45969 Not Affected CVE-2021-45970 Not Affected CVE-2021-45971 Not Affected CVE-2022-24030 Not Affected CVE-2022-24031 Not Affected CVE-2022-24069 Not Affected CVE-2022-28806 Unknown. Insyde InsydeH2O Kernel Is vulnerable to an out-of-bounds write.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state

Trust: 2.34

sources: NVD: CVE-2021-42059 // CERT/CC: VU#796611 // JVNDB: JVNDB-2022-001350

AFFECTED PRODUCTS

vendor:	siemens	model:	simatic ipc477e	scope:	eq	version:	*	Trust: 1.0
vendor:	insyde	model:	insydeh2o	scope:	gte	version:	5.2	Trust: 1.0
vendor:	insyde	model:	insydeh2o	scope:	lt	version:	5.08.41	Trust: 1.0
vendor:	siemens	model:	simatic field pg m5	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	simatic ipc627e	scope:	eq	version:	*	Trust: 1.0
vendor:	insyde	model:	insydeh2o	scope:	gte	version:	5.0	Trust: 1.0
vendor:	siemens	model:	simatic ipc677e	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	simatic ipc847e	scope:	eq	version:	*	Trust: 1.0
vendor:	insyde	model:	insydeh2o	scope:	lt	version:	5.35.41	Trust: 1.0
vendor:	insyde	model:	insydeh2o	scope:	gte	version:	5.4	Trust: 1.0
vendor:	siemens	model:	simatic ipc427e	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	simatic ipc227g	scope:	eq	version:	*	Trust: 1.0
vendor:	insyde	model:	insydeh2o	scope:	lt	version:	5.16.41	Trust: 1.0
vendor:	siemens	model:	simatic ipc327g	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	simatic ipc127e	scope:	eq	version:	*	Trust: 1.0
vendor:	insyde	model:	insydeh2o	scope:	gte	version:	5.1	Trust: 1.0
vendor:	insyde	model:	insydeh2o	scope:	lt	version:	5.42.20	Trust: 1.0
vendor:	insyde	model:	insydeh2o	scope:	gte	version:	5.3	Trust: 1.0
vendor:	siemens	model:	simatic ipc277g	scope:	eq	version:	*	Trust: 1.0
vendor:	insyde	model:	insydeh2o	scope:	lt	version:	5.26.41	Trust: 1.0
vendor:	siemens	model:	simatic field pg m6	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	simatic ipc377g	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	simatic itp1000	scope:	eq	version:	*	Trust: 1.0
vendor:	siemens	model:	simatic ipc647e	scope:	eq	version:	*	Trust: 1.0
vendor:	insyde	model:	insydeh2o	scope:	-	version:	-	Trust: 0.8
vendor:	insyde	model:	insydeh2o	scope:	eq	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2022-001350 // NVD: CVE-2021-42059

CVSS

SEVERITY

CVSSV2

CVSSV3

NVD:	CVE-2021-42059
value:	MEDIUM
Trust: 1.8
CNNVD:	CNNVD-202202-110
value:	MEDIUM
Trust: 0.6

NVD:
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	3.9
impactScore:	10.0
acInsufInfo:	FALSE
obtainAllPrivilege:	FALSE
obtainUserPrivilege:	FALSE
obtainOtherPrivilege:	FALSE
userInteractionRequired:	FALSE
version:	2.0
Trust: 1.0
NVD:	CVE-2021-42059
severity:	HIGH
baseScore:	7.2
vectorString:	AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8

NVD:
baseSeverity:	MEDIUM
baseScore:	6.7
vectorString:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	0.8
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2021-42059
baseSeverity:	MEDIUM
baseScore:	6.7
vectorString:	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2022-001350 // NVD: CVE-2021-42059 // CNNVD: CNNVD-202202-110

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [NVD Evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2022-001350 // NVD: CVE-2021-42059

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202202-110

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202202-110

CONFIGURATIONS

sources: NVD: CVE-2021-42059

PATCH

title:	Insyde's Security Pledge Security Advisory	url:	https://www.insyde.com/security-pledge	Trust: 0.8
title:	Insyde InsydeH2O Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqbyid.tag?id=180204	Trust: 0.6

sources: JVNDB: JVNDB-2022-001350 // CNNVD: CNNVD-202202-110

EXTERNAL IDS

db:	NVD	id:	CVE-2021-42059	Trust: 4.0
db:	SIEMENS	id:	SSA-306654	Trust: 1.6
db:	CERT/CC	id:	VU#796611	Trust: 0.8
db:	JVN	id:	JVNVU98748974	Trust: 0.8
db:	JVN	id:	JVNVU97136454	Trust: 0.8
db:	JVNDB	id:	JVNDB-2022-001350	Trust: 0.8
db:	CS-HELP	id:	SB2022020322	Trust: 0.6
db:	LENOVO	id:	LEN-73436	Trust: 0.6
db:	CNNVD	id:	CNNVD-202202-110	Trust: 0.6

sources: CERT/CC: VU#796611 // JVNDB: JVNDB-2022-001350 // NVD: CVE-2021-42059 // CNNVD: CNNVD-202202-110

REFERENCES

url:	https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf	Trust: 1.6
url:	https://security.netapp.com/advisory/ntap-20220216-0008/	Trust: 1.6
url:	https://www.insyde.com/security-pledge/sa-2022006	Trust: 1.6
url:	https://nvd.nist.gov/vuln/detail/cve-2021-42059	Trust: 1.4
url:	https://www.insyde.com/security-pledge	Trust: 1.0
url:	cve-2020-27339	Trust: 0.8
url:	cve-2020-5953	Trust: 0.8
url:	cve-2021-33625	Trust: 0.8
url:	cve-2021-33626	Trust: 0.8
url:	cve-2021-33627	Trust: 0.8
url:	cve-2021-41837	Trust: 0.8
url:	cve-2021-41838	Trust: 0.8
url:	cve-2021-41839	Trust: 0.8
url:	cve-2021-41840	Trust: 0.8
url:	cve-2021-41841	Trust: 0.8
url:	cve-2021-42059	Trust: 0.8
url:	cve-2021-42060	Trust: 0.8
url:	cve-2021-42113	Trust: 0.8
url:	cve-2021-42554	Trust: 0.8
url:	cve-2021-43323	Trust: 0.8
url:	cve-2021-43522	Trust: 0.8
url:	cve-2021-43615	Trust: 0.8
url:	cve-2021-45969	Trust: 0.8
url:	cve-2021-45970	Trust: 0.8
url:	cve-2021-45971	Trust: 0.8
url:	cve-2022-24030	Trust: 0.8
url:	cve-2022-24031	Trust: 0.8
url:	cve-2022-24069	Trust: 0.8
url:	cve-2022-28806	Trust: 0.8
url:	https://jvn.jp/vu/jvnvu97136454/index.html	Trust: 0.8
url:	https://jvn.jp/vu/jvnvu98748974/	Trust: 0.8
url:	https://vigilance.fr/vulnerability/independent-bios-developers-multiple-vulnerabilities-via-uefi-37438	Trust: 0.6
url:	https://support.lenovo.com/us/en/product_security/len-73436	Trust: 0.6
url:	https://www.cybersecurity-help.cz/vdb/sb2022020322	Trust: 0.6

sources: CERT/CC: VU#796611 // JVNDB: JVNDB-2022-001350 // NVD: CVE-2021-42059 // CNNVD: CNNVD-202202-110

CREDITS

This document was written by Vijay Sarvepalli.Statement Date: March 01, 2022

Trust: 0.8

sources: CERT/CC: VU#796611

SOURCES

db:	CERT/CC	id:	VU#796611
db:	JVNDB	id:	JVNDB-2022-001350
db:	NVD	id:	CVE-2021-42059
db:	CNNVD	id:	CNNVD-202202-110

LAST UPDATE DATE

2023-12-18T11:01:11.077000+00:00

SOURCES UPDATE DATE

db:	CERT/CC	id:	VU#796611	date:	2022-04-26T00:00:00
db:	JVNDB	id:	JVNDB-2022-001350	date:	2022-02-28T07:08:00
db:	NVD	id:	CVE-2021-42059	date:	2022-04-18T18:02:45.103
db:	CNNVD	id:	CNNVD-202202-110	date:	2022-03-03T00:00:00

SOURCES RELEASE DATE

db:	CERT/CC	id:	VU#796611	date:	2022-02-01T00:00:00
db:	JVNDB	id:	JVNDB-2022-001350	date:	2022-02-17T00:00:00
db:	NVD	id:	CVE-2021-42059	date:	2022-02-03T02:15:07.250
db:	CNNVD	id:	CNNVD-202202-110	date:	2022-02-02T00:00:00