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.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 39%
VendorProductVersion
armtrusted_firmware-m
1.4.0
armtrusted_firmware-m
1.4.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://developer.arm.com/support/arm-security-updates
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/
https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.html
https://www.trustedfirmware.org
https://developer.arm.com/support/arm-security-updates
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/
https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.html
https://www.trustedfirmware.org