CVE-2021-25362 : Vulnerability Insights and Analysis

An improper permission management in CertInstaller prior to SMR APR-2021 Release 1 allows untrusted applications to delete certain local files.

Understanding CVE-2021-25362

This CVE-2021-25362 impacts Samsung Mobile Devices due to improper permission management in CertInstaller.

What is CVE-2021-25362?

CVE-2021-25362 is a vulnerability in CertInstaller that enables untrusted applications to delete specific local files on Samsung Mobile Devices.

The Impact of CVE-2021-25362

The vulnerability has a CVSS base score of 6.8, indicating a medium severity issue with a high availability impact. Although it requires low privileges, it poses a threat to the integrity of affected devices.

Technical Details of CVE-2021-25362

The vulnerability affects versions O(8.x), P(9.x), Q(10.0) of Samsung Mobile Devices prior to SMR APR-2021 Release 1.

Vulnerability Description

The vulnerability arises from improper privilege management in CertInstaller, allowing unauthorized apps to delete specific local files.

Affected Systems and Versions

Samsung Mobile Devices with versions O(8.x), P(9.x), Q(10.0) are affected before the SMR APR-2021 Release 1.

Exploitation Mechanism

The vulnerability's local attack vector and low complexity make it possible for untrusted applications to exploit the flaw.

Mitigation and Prevention

To safeguard against CVE-2021-25362, immediate actions and long-term security measures are necessary.

Immediate Steps to Take

Users should update their Samsung Mobile Devices to SMR APR-2021 Release 1 or later to mitigate the risk associated with this vulnerability.

Long-Term Security Practices

Regularly update devices, avoid installing apps from untrusted sources, and be cautious of app permissions to enhance device security.

Patching and Updates

Stay informed about security patches and updates released by Samsung Mobile to address vulnerabilities promptly.