CVE-2021-34387 - Vulnerability Details - OpenCVE

Description

The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is otherwise mapped read only.

Published: 2021-06-21

Score: 6.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

NVIDIA

NVIDIA Jetson TX1

affected

Version	Status	Constraints
`All Jetson Linux versions prior to r32.5.1`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:nvidia:jetson_linux:*:*:*:*:*:*:*:*

cpe:2.3:h:nvidia:jetson_tx1:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-21045	The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is otherwise mapped read only.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00027.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://nvidia.custhelp.com/app/answers/detail/a_id/5205

History

No history.

Subscriptions

Nvidia Jetson Linux Jetson Tx1

MITRE

Status: PUBLISHED

Assigner: nvidia

Published: 2021-06-21T21:35:16.000Z

Updated: 2024-08-04T00:12:49.990Z

Reserved: 2021-06-09T00:00:00.000Z

Link: CVE-2021-34387

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-06-21T22:15:07.673

Modified: 2024-11-21T06:10:17.500

Link: CVE-2021-34387

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-276

{"containers": {"cna": {"affected": [{"product": "NVIDIA Jetson TX1", "vendor": "NVIDIA", "versions": [{"status": "affected", "version": "All Jetson Linux versions prior to r32.5.1"}]}], "descriptions": [{"lang": "en", "value": "The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is otherwise mapped read only."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "information disclosure, escalation of privileges, denial of service", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-06-21T21:35:15.000Z", "orgId": "9576f279-3576-44b5-a4af-b9a8644b2de6", "shortName": "nvidia"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5205"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@nvidia.com", "ID": "CVE-2021-34387", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "NVIDIA Jetson TX1", "version": {"version_data": [{"version_value": "All Jetson Linux versions prior to r32.5.1"}]}}]}, "vendor_name": "NVIDIA"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is otherwise mapped read only."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "information disclosure, escalation of privileges, denial of service"}]}]}, "references": {"reference_data": [{"name": "https://nvidia.custhelp.com/app/answers/detail/a_id/5205", "refsource": "CONFIRM", "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5205"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:12:49.990Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5205"}]}]}, "cveMetadata": {"assignerOrgId": "9576f279-3576-44b5-a4af-b9a8644b2de6", "assignerShortName": "nvidia", "cveId": "CVE-2021-34387", "datePublished": "2021-06-21T21:35:16.000Z", "dateReserved": "2021-06-09T00:00:00.000Z", "dateUpdated": "2024-08-04T00:12:49.990Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nvidia:jetson_linux:*:*:*:*:*:*:*:*", "matchCriteriaId": "E8941F71-0292-414E-AEA5-DD55EA3C2009", "versionEndExcluding": "32.5.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nvidia:jetson_tx1:-:*:*:*:*:*:*:*", "matchCriteriaId": "86D1FDAD-C594-43D9-9BF6-F7461177AB91", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is otherwise mapped read only."}, {"lang": "es", "value": "La ARM TrustZone Technology en la que se basa Trusty contiene una vulnerabilidad en la configuraci\u00f3n de los permisos de acceso en la que la porci\u00f3n de la DRAM reservada para TrustZone es mapeada por TLK con permisos de lectura, escritura y ejecuci\u00f3n, lo que da acceso de escritura al c\u00f3digo y a los datos del kernel que, de otro modo, son mapeados s\u00f3lo de lectura"}], "id": "CVE-2021-34387", "lastModified": "2024-11-21T06:10:17.500", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.3, "impactScore": 5.9, "source": "psirt@nvidia.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-21T22:15:07.673", "references": [{"source": "psirt@nvidia.com", "tags": ["Vendor Advisory"], "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5205"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5205"}], "sourceIdentifier": "psirt@nvidia.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-276"}], "source": "nvd@nist.gov", "type": "Primary"}]}