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CVE-2023-21267

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Date: August 14, 2023

In multiple functions of KeyguardViewMediator.java, there is a possible way to bypass lockdown mode with screen pinning due to a logic error in the code. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Language: Java

Severity Score

Related Resources (8)

https://android.googlesource.com/platform/frameworks/base/+/e205cd30e91d8eeadf562140c34c306ebf7d6394
https://android.googlesource.com/platform/frameworks/base/+/cb7e9c7549a2a076ec00db15e3da0d21b31b0b1c
https://nvd.nist.gov/vuln/detail/CVE-2023-21267
https://source.android.com/security/bulletin/2023-08-01
https://android.googlesource.com/platform/frameworks/base/+/d18d8b350756b0e89e051736c1f28744ed31e93a
https://android.googlesource.com/platform/frameworks/base/+/cecddcd865f72d76f7aacb1cf4479365847299f9
https://source.android.com/security/bulletin/2024-04-01
https://www.mend.io/vulnerability-database/CVE-2023-21267

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

Insufficient Information

NVD-CWE-noinfo

Top Fix

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Upgrade to version android-13.0.0_r67

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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