CVE-2023-21126 is a critical Android vulnerability allowing local privilege escalation without user interaction. Stay secure with timely patches.
This CVE record highlights a vulnerability in the Android operating system that could potentially lead to local escalation of privilege without requiring additional execution privileges.
Understanding CVE-2023-21126
This section provides an overview of CVE-2023-21126, including its description, impact, affected systems, and mitigation strategies.
What is CVE-2023-21126?
CVE-2023-21126 is a vulnerability found in the Android operating system, specifically in the
bindOutputSwitcherAndBroadcastButton
function of MediaControlPanel.java
. The issue arises due to an Unsafe Intent, which could allow an attacker to launch arbitrary activities under the System User Interface (SysUI) context.
The Impact of CVE-2023-21126
If exploited, this vulnerability could result in local escalation of privilege on the affected Android devices. Importantly, user interaction is not required for exploitation, making it potentially more dangerous.
Technical Details of CVE-2023-21126
Delving deeper into the technical aspects of CVE-2023-21126 to understand the vulnerability in more detail.
Vulnerability Description
The vulnerability stems from a flaw in the
bindOutputSwitcherAndBroadcastButton
function of MediaControlPanel.java
, allowing the launch of arbitrary activities under SysUI through an Unsafe Intent.
Affected Systems and Versions
The affected system in this case is Android, specifically version 13. Users running Android-13 are at risk of exploitation if this vulnerability is not addressed.
Exploitation Mechanism
Attackers could exploit this vulnerability to elevate their privileges locally on the targeted Android device without needing any additional execution privileges, posing a significant security risk.
Mitigation and Prevention
Taking proactive measures to mitigate the risks associated with CVE-2023-21126 is crucial for maintaining the security of affected systems.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
It is recommended for users to keep their Android devices up to date with the latest security patches released by the official Android security team to mitigate the risk posed by CVE-2023-21126.