CVE-2023-35676 Explained : Impact and Mitigation

This article provides detailed information about CVE-2023-35676 affecting Google Android.

Understanding CVE-2023-35676

CVE-2023-35676 is classified as an elevation of privilege vulnerability impacting Google Android.

What is CVE-2023-35676?

The vulnerability exists in the createQuickShareAction of SaveImageInBackgroundTask.java, posing a risk of triggering a background activity launch through an unsafe PendingIntent. This flaw could allow local escalation of privilege without requiring additional execution privileges, and exploitation does not necessitate user interaction.

The Impact of CVE-2023-35676

The exploit could result in unauthorized elevation of privileges on the affected systems, potentially compromising user data and system integrity.

Technical Details of CVE-2023-35676

This section delves into specific technical aspects of the CVE-2023-35676 vulnerability.

Vulnerability Description

The vulnerability arises from a specific code segment in SaveImageInBackgroundTask.java, enabling the launching of background activities via an unsafe PendingIntent.

Affected Systems and Versions

Google Android versions 13, 12L, and 12 are confirmed to be affected by CVE-2023-35676, while version 12 remains unaffected.

Exploitation Mechanism

By exploiting the unsafe PendingIntent in createQuickShareAction, threat actors can initiate background activities without user consent, potentially leading to privilege escalation.

Mitigation and Prevention

To address CVE-2023-35676, organizations and users can follow these essential security practices.

Immediate Steps to Take

Apply security patches provided by Google promptly to mitigate the vulnerability.
Monitor for any suspicious activities or unauthorized privilege escalations on the affected systems.

Long-Term Security Practices

Conduct regular security audits and code reviews to identify and rectify similar vulnerabilities in the future.
Educate users on safe application usage practices and potential security risks associated with untrusted sources.

Patching and Updates

Ensure timely installation of security updates and patches released by Google to eliminate the vulnerability and enhance system security.