CVE-2021-25500

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

CVSS v3 7.2 HIGH
CVSS v2.0 2.1 LOW

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 0.8 / Impact : 5.8

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

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

Configurations

Configuration 1 (hide)

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:-:::::::*

History

21 Nov 2024, 05:55

Type	Values Removed	Values Added
References	~~() https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=11 - Vendor Advisory~~	() https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=11 - Vendor Advisory
CVSS	v2 : ~~2.1~~ v3 : ~~4.4~~	v2 : 2.1 v3 : 7.2

Information

Published : 2021-11-05 03:15

Updated : 2024-11-21 05:55

NVD link : CVE-2021-25500

Mitre link : CVE-2021-25500

CVE.ORG link : CVE-2021-25500

JSON object : View

Products Affected

samsung

exynos_9820
exynos_9830
exynos_2100
exynos_980

google

android

CWE

CWE-20

Improper Input Validation

CWE-787

Out-of-bounds Write

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