CVE-2023-21485 : What You Need to Know

This CVE-2023-21485 vulnerability was published on May 4, 2023, by Samsung Mobile. It pertains to an improper export of android application components vulnerability found in VideoPreviewActivity within Call Settings. The vulnerability identified in SMR May-2023 Release 1 could potentially allow physical attackers to gain access to certain media data stored in the sandbox.

Understanding CVE-2023-21485

This section delves into the specifics of CVE-2023-21485, shedding light on what this vulnerability entails and its potential impact.

What is CVE-2023-21485?

CVE-2023-21485 refers to an improper export of android application components vulnerability discovered in VideoPreviewActivity within Call Settings. This flaw could be exploited by physical attackers to access specific media data stored in the sandbox, posing a risk to user data security.

The Impact of CVE-2023-21485

The impact of CVE-2023-21485 is categorized as medium severity, with a base score of 5.3. The confidentiality impact is high, while the integrity and availability impacts are deemed low. The vulnerability does not require any privileges or user interaction for exploitation, making it a concern for affected users.

Technical Details of CVE-2023-21485

This section provides more technical insights into the vulnerability, including its description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

CVE-2023-21485 is classified under CWE-926 (Improper Export of Android Application Components) and is related to the improper export of android application components within VideoPreviewActivity in Call Settings, allowing unauthorized access to media data stored in the sandbox.

Affected Systems and Versions

The vulnerability impacts Samsung Mobile Devices running Android versions 11, 12, and 13. Devices with a version lower than SMR May-2023 Release 1 are vulnerable to exploitation.

Exploitation Mechanism

The vulnerability can be exploited by physical attackers who gain access to the device, enabling them to extract media data stored within the sandbox through the VideoPreviewActivity in Call Settings.

Mitigation and Prevention

In light of CVE-2023-21485, it is crucial to take immediate steps to mitigate the risks posed by this vulnerability and implement long-term security practices to safeguard against similar threats.

Immediate Steps to Take

Users are advised to be cautious when handling their Samsung Mobile Devices and to avoid physical access by unauthorized individuals to prevent exploitation of this vulnerability.

Long-Term Security Practices

Implementing robust security measures, such as setting up access controls, regular security updates, and educating users on safe device usage, can help enhance overall security posture and mitigate future vulnerabilities.

Patching and Updates

Samsung Mobile users are recommended to apply the necessary security patches available from the SMR May-2023 Release 1 onwards to address and remediate the CVE-2023-21485 vulnerability. Regularly updating devices with the latest security releases can help prevent potential exploits and protect user data integrity.