CVE-2021-25500 - Vulnerability Details - OpenCVE

A missing input validation in HDCP LDFW prior to SMR Nov-2021 Release 1 allows attackers to overwrite TZASC allowing TEE compromise.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00021.

Key SSVC decision points have not yet been added.

Vendors	Products
Google	Android
Samsung	Exynos 2100 Exynos 980 Exynos 9820 Exynos 9830

Configuration 1 [-]

AND

OR	cpe:2.3:o:google:android:10.0:::::::*
	cpe:2.3:o:google:android:11.0:::::::*

OR	cpe:2.3:h:samsung:exynos_2100:-:::::::*
	cpe:2.3:h:samsung:exynos_980:-:::::::*
	cpe:2.3:h:samsung:exynos_9820:-:::::::*
	cpe:2.3:h:samsung:exynos_9830:-:::::::*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-12396	A missing input validation in HDCP LDFW prior to SMR Nov-2021 Release 1 allows attackers to overwrite TZASC allowing TEE compromise.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=11

History

No history.

MITRE

Status: PUBLISHED

Assigner: Samsung Mobile

Published: 2021-11-05T02:03:21

Updated: 2024-08-03T20:03:05.679Z

Reserved: 2021-01-19T00:00:00

Link: CVE-2021-25500

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-11-05T03:15:07.323

Modified: 2024-11-21T05:55:07.210

Link: CVE-2021-25500

Redhat

No data.

OpenCVE Enrichment

No data.

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