CVE-2021-41838

An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of a Numeric Range Comparison Without a Minimum Check.

CVSS v3 8.2 HIGH
CVSS v2.0 7.2 HIGH

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.5 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf	Third Party Advisory
https://security.netapp.com/advisory/ntap-20220222-0001/	Third Party Advisory
https://www.insyde.com/security-pledge	Vendor Advisory
https://www.insyde.com/security-pledge/SA-2022023	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

Configuration 5 (hide)

cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_field_pg_m5:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_field_pg_m6:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc127e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc127e:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc227g_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc227g:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc277g_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc277g:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc327g_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc327g:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc377g_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc377g:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc427e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc427e:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc477e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc477e:-:*:*:*:*:*:*:*

Configuration 15 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc627e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc627e:-:*:*:*:*:*:*:*

Configuration 16 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc647e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc647e:-:*:*:*:*:*:*:*

Configuration 17 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc677e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc677e:-:*:*:*:*:*:*:*

Configuration 18 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc847e_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc847e:-:*:*:*:*:*:*:*

Configuration 19 (hide)

AND

cpe:2.3:o:siemens:simatic_itp1000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_itp1000:-:*:*:*:*:*:*:*

History

01 Mar 2022, 19:42

Type	Values Removed	Values Added
CPE		cpe:2.3:h:siemens:simatic_field_pg_m6:-:::::::* cpe:2.3:h:siemens:simatic_ipc327g:-:::::::* cpe:2.3:o:siemens:simatic_ipc427e_firmware:::::::: cpe:2.3:h:siemens:simatic_ipc227g:-:::::::* cpe:2.3:h:siemens:simatic_ipc127e:-:::::::* cpe:2.3:h:siemens:simatic_ipc377g:-:::::::* cpe:2.3:h:siemens:simatic_ipc677e:-:::::::* cpe:2.3:h:siemens:simatic_itp1000:-:::::::* cpe:2.3:h:siemens:simatic_ipc627e:-:::::::* cpe:2.3:o:siemens:simatic_ipc127e_firmware:::::::: cpe:2.3:o:siemens:simatic_ipc227g_firmware:::::::: cpe:2.3:h:siemens:simatic_ipc647e:-:::::::* cpe:2.3:o:siemens:simatic_itp1000_firmware:::::::: cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:::::::: cpe:2.3:o:siemens:simatic_ipc377g_firmware:::::::: cpe:2.3:o:siemens:simatic_ipc277g_firmware:::::::: cpe:2.3:h:siemens:simatic_ipc427e:-:::::::* cpe:2.3:o:siemens:simatic_ipc647e_firmware:::::::: cpe:2.3:h:siemens:simatic_ipc277g:-:::::::* cpe:2.3:h:siemens:simatic_field_pg_m5:-:::::::* cpe:2.3:o:siemens:simatic_ipc677e_firmware:::::::: cpe:2.3:o:siemens:simatic_ipc627e_firmware:::::::: cpe:2.3:h:siemens:simatic_ipc847e:-:::::::* cpe:2.3:h:siemens:simatic_ipc477e:-:::::::* cpe:2.3:o:siemens:simatic_ipc847e_firmware:::::::: cpe:2.3:o:siemens:simatic_ipc477e_firmware:::::::: cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:::::::: cpe:2.3:o:siemens:simatic_ipc327g_firmware::::::::
References	~~(CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf -~~	(CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf - Third Party Advisory
References	~~(CONFIRM) https://security.netapp.com/advisory/ntap-20220222-0001/ -~~	(CONFIRM) https://security.netapp.com/advisory/ntap-20220222-0001/ - Third Party Advisory

24 Feb 2022, 15:15

Type	Values Removed	Values Added
References		(CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf - (CONFIRM) https://security.netapp.com/advisory/ntap-20220222-0001/ -

09 Feb 2022, 17:51

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 8.2
CWE		CWE-119
CPE		cpe:2.3:a:insyde:insydeh2o::::::::
References	~~(MISC) https://www.insyde.com/security-pledge/SA-2022023 -~~	(MISC) https://www.insyde.com/security-pledge/SA-2022023 - Vendor Advisory
References	~~(MISC) https://www.insyde.com/security-pledge -~~	(MISC) https://www.insyde.com/security-pledge - Vendor Advisory

09 Feb 2022, 02:15

Type	Values Removed	Values Added
References		(MISC) https://www.insyde.com/security-pledge/SA-2022023 -
Summary	An unsafe pointer vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler. An attacker can use this unsafe pointer "ptr" to read or write or manipulate data in the SMRAM. Exploitation of this vulnerability can lead to escalation of privileges reserved only for SMM using the SwSMI handler.	An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of a Numeric Range Comparison Without a Minimum Check.

03 Feb 2022, 02:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-02-03 02:15

Updated : 2024-02-04 22:08

NVD link : CVE-2021-41838

Mitre link : CVE-2021-41838

CVE.ORG link : CVE-2021-41838

JSON object : View

Products Affected

siemens

simatic_ipc227g
simatic_field_pg_m6_firmware
simatic_ipc647e_firmware
simatic_ipc227g_firmware
simatic_ipc327g_firmware
simatic_ipc847e
simatic_ipc377g_firmware
simatic_itp1000
simatic_ipc377g
simatic_ipc477e
simatic_ipc647e
simatic_ipc277g
simatic_ipc327g
simatic_ipc627e
simatic_ipc847e_firmware
simatic_field_pg_m5_firmware
simatic_ipc427e
simatic_itp1000_firmware
simatic_ipc627e_firmware
simatic_ipc127e_firmware
simatic_field_pg_m5
simatic_field_pg_m6
simatic_ipc427e_firmware
simatic_ipc477e_firmware
simatic_ipc677e_firmware
simatic_ipc677e
simatic_ipc127e
simatic_ipc277g_firmware

insyde

insydeh2o

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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