CVE-2021-33625

An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses.

CVSS v3 7.5 HIGH
CVSS v2.0 6.9 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 0.8 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

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-20220222-0004/	Third Party Advisory
https://www.insyde.com/security-pledge	Vendor Advisory
https://www.insyde.com/security-pledge/SA-2022014	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)

cpe:2.3:o:netapp:fas\/aff_bios:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:siemens:ruggedcom_ape1808:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND

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

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

Configuration 9 (hide)

AND

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

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

Configuration 10 (hide)

AND

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

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

Configuration 11 (hide)

AND

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

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

Configuration 12 (hide)

AND

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

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

Configuration 13 (hide)

AND

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

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

Configuration 14 (hide)

AND

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

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

Configuration 15 (hide)

AND

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

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

Configuration 16 (hide)

AND

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

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

Configuration 17 (hide)

AND

cpe:2.3:o:siemens:simatic_ipc477e_pro_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:siemens:simatic_ipc477e_pro:-:*:*:*:*:*:*:*

Configuration 18 (hide)

AND

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

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

Configuration 19 (hide)

AND

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

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

Configuration 20 (hide)

AND

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

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

Configuration 21 (hide)

AND

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

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

Configuration 22 (hide)

AND

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

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

History

12 Apr 2022, 18:17

Type	Values Removed	Values Added
CPE		cpe:2.3:h:siemens:simatic_ipc477e_pro:-:::::::* cpe:2.3:o:siemens:simatic_ipc127e_firmware:-:::::::* cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:-:::::::* cpe:2.3:h:siemens:simatic_itp1000:-:::::::* cpe:2.3:h:siemens:simatic_ipc127e:-:::::::* cpe:2.3:o:siemens:simatic_ipc227g_firmware:-:::::::* cpe:2.3:o:siemens:simatic_ipc847e_firmware:-:::::::* cpe:2.3:h:siemens:simatic_field_pg_m6:-:::::::* cpe:2.3:h:siemens:simatic_ipc677e:-:::::::* cpe:2.3:o:netapp:fas\/aff_bios:-:::::::* cpe:2.3:h:siemens:simatic_ipc477e:-:::::::* cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:::::::* cpe:2.3:o:siemens:simatic_ipc327g_firmware:-:::::::* cpe:2.3:o:siemens:simatic_ipc477e_pro_firmware:-:::::::* cpe:2.3:h:siemens:simatic_ipc427e:-:::::::* cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:-:::::::* cpe:2.3:o:siemens:simatic_ipc627e_firmware:-:::::::* cpe:2.3:h:siemens:simatic_ipc627e:-:::::::* cpe:2.3:o:siemens:simatic_ipc377g_firmware:-:::::::* cpe:2.3:h:siemens:simatic_ipc847e:-:::::::* cpe:2.3:o:siemens:simatic_ipc427e_firmware:-:::::::* cpe:2.3:o:siemens:simatic_ipc277g_firmware:-:::::::* cpe:2.3:o:siemens:simatic_ipc477e_firmware:-:::::::* cpe:2.3:o:siemens:simatic_itp1000_firmware:-:::::::* cpe:2.3:h:siemens:ruggedcom_ape1808:-:::::::* cpe:2.3:h:siemens:simatic_ipc647e:-:::::::* cpe:2.3:h:siemens:simatic_ipc227g:-:::::::* cpe:2.3:h:siemens:simatic_ipc327g:-:::::::* cpe:2.3:h:siemens:simatic_ipc377g:-:::::::* 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_ipc647e_firmware:-:::::::*
References	~~(CONFIRM) https://security.netapp.com/advisory/ntap-20220222-0004/ -~~	(CONFIRM) https://security.netapp.com/advisory/ntap-20220222-0004/ - Third Party Advisory
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

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-20220222-0004/ -

09 Feb 2022, 19:36

Type	Values Removed	Values Added
References	~~(MISC) https://www.insyde.com/security-pledge/SA-2022014 -~~	(MISC) https://www.insyde.com/security-pledge/SA-2022014 - Vendor Advisory
References	~~(MISC) https://www.insyde.com/security-pledge -~~	(MISC) https://www.insyde.com/security-pledge - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.9 v3 : 7.5
CPE		cpe:2.3:a:insyde:insydeh2o::::::::
CWE		CWE-119

08 Feb 2022, 19:15

Type	Values Removed	Values Added
Summary	An issue was discovered in Kernel 5.x (starting from 5.1) in Insyde InsydeH2O, has a SMM memory corruption vulnerability allowing a possible attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.	An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses.
References		(MISC) https://www.insyde.com/security-pledge/SA-2022014 -

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-2021-33625

Mitre link : CVE-2021-33625

CVE.ORG link : CVE-2021-33625

JSON object : View

Products Affected

siemens

netapp

fas\/aff_bios

insyde

insydeh2o

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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