Buffer overflow in Trustedfirmware Trusted_firmware-m
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.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (38.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Trustedfirmware Trusted_firmware-m — versions 1.4.0, 1.4.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Product, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-43619?
- CVE-2021-43619 is a high-severity vulnerability in Trustedfirmware Trusted_firmware-m, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-03-01.
- How severe is CVE-2021-43619?
- High severity. CVSS v3 base score is 7.8 out of 10.