CVE-2021-25358 : Security Advisory and Response
Learn about CVE-2021-25358 affecting Samsung Mobile Devices. This vulnerability allows local attackers to access IMSI values without permission. Find out how to mitigate and prevent it.
Samsung Mobile Devices prior to SMR APR-2021 Release 1 are affected by a vulnerability that allows local attackers to access IMSI values without permission. This vulnerability stems from storing IMSI values in an improper path, making them accessible via untrusted applications.
Understanding CVE-2021-25358
This section provides an overview of the CVE-2021-25358 vulnerability in Samsung Mobile Devices.
What is CVE-2021-25358?
CVE-2021-25358 is a vulnerability in Samsung Mobile Devices that enables local attackers to retrieve IMSI values without proper authorization.
The Impact of CVE-2021-25358
The impact of this vulnerability is considered medium, with a CVSS base score of 4. It has low confidentiality impact and no integrity impact, but it poses a risk due to unauthorized access to sensitive IMSI values.
Technical Details of CVE-2021-25358
Let's delve into the technical aspects of CVE-2021-25358 to understand the vulnerability better.
Vulnerability Description
The vulnerability involves the improper storage of IMSI values, allowing unauthorized access through untrusted applications.
Affected Systems and Versions
Samsung Mobile Devices running versions prior to SMR APR-2021 Release 1, specifically P(9.0) and Q(10.0), are affected by this vulnerability.
Exploitation Mechanism
Local attackers can exploit this vulnerability to access IMSI values without requiring any special permissions, posing a risk to user privacy.
Mitigation and Prevention
Discover the steps to mitigate and prevent the CVE-2021-25358 vulnerability in Samsung Mobile Devices.
Immediate Steps to Take
It is recommended to update affected devices to SMR APR-2021 Release 1 or later to address this vulnerability. Avoid granting unnecessary permissions to applications to minimize the risk of unauthorized access.
Long-Term Security Practices
Maintain a regular update schedule for Samsung Mobile Devices to ensure they are protected against known vulnerabilities and security threats. Educate users on the importance of granting permissions judiciously to safeguard their data.
Patching and Updates
Stay informed about security updates released by Samsung Mobile and apply patches promptly to enhance the security posture of your devices.