ASB-A-199754277

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    ASB-A-199754277

    Published: 1 Dec 2021Last Modified: 23 Sept 2026

    Summary:

    Details: In onCreate of KeyChainActivity.java, there is a possible way to use an app certificate stored in keychain due to a tapjacking/overlay attack. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

    References: https://source.android.com/security/bulletin/2021-12-01

    Affected packages

    Package

    Name: platform/packages/apps/KeyChain

    Purl:

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 9:0
    Fixed -9:2021-12-01

    Affected versions

    9

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    ASB-A-199754277 | CVE-DB