CVE Vulnerability

CVE-2021-43619

Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update partition. In the IPC model, a psa_fwu_write caller from SPE or NSPE can overwrite stack memory locations.

4.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.html Exploit Patch
https://www.trustedfirmware.org Product
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/ Patch Third Party Advisory
https://developer.arm.com/support/arm-security-updates Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:arm:trusted_firmware-m:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:arm:trusted_firmware-m:1.4.0:*:*:*:*:*:*:*
Information

Published : 2022-03-01 05:15

Updated : 2022-03-09 12:53

NVD link : CVE-2021-43619

Mitre link : CVE-2021-43619

Products Affected
No products.
CWE
CWE-120