CVE-2021-43619: Buffer Overflow
First published: Tue Mar 01 2022(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Arm Trusted Firmware-m | =1.4.0 | |
| Arm Trusted Firmware-m | =1.4.1 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-43619?
CVE-2021-43619 is a buffer overflow issue in the Firmware Update partition of Trusted Firmware M 1.4.x through 1.4.1.
How severe is CVE-2021-43619?
CVE-2021-43619 has a severity rating of 7.8 (high).
Which software versions are affected by CVE-2021-43619?
Trusted Firmware M versions 1.4.0 and 1.4.1 are affected by CVE-2021-43619.
How can a buffer overflow in the Firmware Update partition be exploited?
A caller from SPE or NSPE can overwrite stack memory locations through the psa_fwu_write function in the IPC model.
Where can I find more information about CVE-2021-43619?
You can find more information about CVE-2021-43619 at the following references: [link1], [link2], [link3].
- collector/nvd-index
- agent/references
- agent/weakness
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- version/arm trusted firmware-m/1.4.0
- version/arm trusted firmware-m/1.4.1