CVE-2021-43619
CVSS V2 Medium 4.6
CVSS V3 High 7.8
Description
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.
Overview
- CVE ID
- CVE-2021-43619
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-03-01T05:15:07
- Last Modified Date
- 2022-03-09T00:53:24
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:arm:trusted_firmware-m:1.4.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:arm:trusted_firmware-m:1.4.1:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| 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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-43619 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43619 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:46:52 | Added to TrackCVE | |||
| 2022-12-06 11:03:32 | 2022-03-01T05:15Z | 2022-03-01T05:15:07 | CVE Published Date | updated |
| 2022-12-06 11:03:32 | 2022-03-09T00:53:24 | CVE Modified Date | updated | |
| 2022-12-06 11:03:32 | Analyzed | Vulnerability Status | updated |