CVE-2021-36133
CVSS V2 Low 3.6
CVSS V3 High 7.1
Description
The OPTEE-OS CSU driver for NXP i.MX SoC devices lacks security access configuration for several models, resulting in TrustZone bypass because the NonSecure World can perform arbitrary memory read/write operations on Secure World memory. This involves a DMA capable peripheral.
Overview
- CVE ID
- CVE-2021-36133
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-07T21:15:08
- Last Modified Date
- 2021-12-09T19:53:15
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:linaro:op-tee:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:nxp:i.mx_6:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:nxp:i.mx_6solox:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:nxp:i.mx_6ull:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:nxp:i.mx_6ulz:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:nxp:i.mx_7ds:-:*:*:*:*:*:*:* | 0 | OR | ||
| cpe:2.3:h:nxp:i.mx6sx:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 3.6
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 4.9
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:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.1
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/f-secure-foundry/advisories/blob/master/Security_Advisory-Ref_FSC-HWSEC-VR2021-0001-OP-TEE_TrustZone_bypass.txt | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-36133 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36133 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:41:54 | Added to TrackCVE | |||
| 2022-12-06 03:14:03 | 2021-12-07T21:15Z | 2021-12-07T21:15:08 | CVE Published Date | updated |
| 2022-12-06 03:14:03 | 2021-12-09T19:53:15 | CVE Modified Date | updated | |
| 2022-12-06 03:14:03 | Analyzed | Vulnerability Status | updated |