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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

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

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.html	Exploit Patch Third Party Advisory
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

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Configurations

Configuration 1 (hide)

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

Information

Published : 2022-02-28 21:15

Updated : 2022-03-08 16:53

NVD link : CVE-2021-43619

Mitre link : CVE-2021-43619

JSON object : View

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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Products Affected

arm

trusted_firmware-m

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