CVE-2021-0734 : Exploit Details and Defense Strategies
Learn about CVE-2021-0734 affecting Android version 13, allowing unauthorized access to installed apps without proper permissions and leading to local information disclosure.
This CVE-2021-0734 affects Android version 13 and allows an attacker to determine if an app is installed without the necessary permissions, leading to local information disclosure. No user interaction is required for exploitation.
Understanding CVE-2021-0734
This vulnerability in Android's Settings allows unauthorized access to installed apps without proper permissions, potentially exposing sensitive information.
What is CVE-2021-0734?
CVE-2021-0734 is an information disclosure vulnerability in Android version 13, enabling attackers to obtain details about installed packages without the required query permissions.
The Impact of CVE-2021-0734
The impact of this vulnerability is the disclosure of local information of installed packages without the need for execution privileges or user interaction.
Technical Details of CVE-2021-0734
The following technical details shed light on the vulnerability's specifics:
Vulnerability Description
The vulnerability allows a workaround to query installed apps without the necessary permissions, enabling unauthorized information disclosure.
Affected Systems and Versions
The affected system is Android version 13, exposing user information without proper query permissions.
Exploitation Mechanism
Exploiting this vulnerability requires no additional execution privileges or user interaction, only a side channel information disclosure in the Settings menu.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-0734, consider the following steps:
Immediate Steps to Take
Ensure apps are from trusted sources, limit permissions for each app, and stay vigilant for suspicious activities on your device.
Long-Term Security Practices
Regularly update your device with the latest security patches, monitor app permissions, and consider security-focused apps for added protection.
Patching and Updates
Stay informed about security bulletins from Android, apply patches promptly, and keep your device updated to the latest software version to guard against known vulnerabilities.