Permission Bypass in Android WindowManagerService Enables Privilege Escalation

Executive Summary

This vulnerability exists in the relayoutWindow function of WindowManagerService.java. It is caused by a missing permission check, which allows a possible tapjacking attack. Tapjacking is a technique where an attacker tricks a user into tapping on something different from what the user perceives, potentially leading to unauthorized actions.

Because of the missing permission check, an attacker can exploit this vulnerability locally to escalate their privileges without needing any additional execution privileges or user interaction.

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Impact Analysis

This vulnerability can lead to local escalation of privilege, meaning an attacker with limited access could gain higher privileges on the affected system.

Since no user interaction is needed for exploitation, the attacker can perform unauthorized actions without the user's knowledge or consent.

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Compliance Impact

I don't know

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Detection Guidance

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Mitigation Strategies

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