Learn about CVE-2023-40076, an Android vulnerability that allows unauthorized access to user credentials. Find out the impact, affected systems, exploitation details, and mitigation steps.
Android - Information Disclosure Vulnerability
Understanding CVE-2023-40076
This CVE-2023-40076 involves an information disclosure vulnerability in the Android operating system, specifically related to the Credential Manager UI component.
What is CVE-2023-40076?
CVE-2023-40076, assigned to Google Android, allows a possible way to access credentials from other users through a permissions bypass. This vulnerability may result in local escalation of privilege without requiring additional execution privileges, and it does not necessitate user interaction for exploitation.
The Impact of CVE-2023-40076
The impact of this vulnerability is significant as it could potentially lead to unauthorized access to sensitive user credentials, compromising user privacy and security.
Technical Details of CVE-2023-40076
This section outlines the specific technical details of the CVE-2023-40076 vulnerability in Android.
Vulnerability Description
The vulnerability exists in the createPendingIntent function of CredentialManagerUi.java, which can be exploited to retrieve credentials from other users due to a permissions bypass.
Affected Systems and Versions
Google's Android version 14 is confirmed to be affected by this vulnerability, while other versions remain unaffected.
Exploitation Mechanism
The vulnerability can be exploited to locally escalate privileges without the need for additional execution privileges, and it does not require user interaction for successful exploitation.
Mitigation and Prevention
To mitigate the risks associated with CVE-2023-40076, immediate actions and long-term security practices are recommended.
Immediate Steps to Take
It is advised to apply relevant security patches and updates provided by Google to address this vulnerability.
Long-Term Security Practices
Implementing least privilege access, regularly updating the Android operating system, and following secure coding practices can help prevent similar vulnerabilities in the future.
Patching and Updates
Staying informed about security bulletins and promptly applying security patches from official sources is crucial to protect Android devices from known vulnerabilities.