CVE-2021-25359 : Exploit Details and Defense Strategies
Learn about CVE-2021-25359 affecting Samsung Mobile Devices with versions Q(10.0) and R(11.0) prior to SMR APR-2021 Release 1. Understand the impact, technical details, and mitigation steps.
An improper SELinux policy prior to SMR APR-2021 Release 1 allows local attackers to access AP information without proper permissions via untrusted applications.
Understanding CVE-2021-25359
This CVE affects Samsung Mobile Devices with versions Q(10.0) and R(11.0) prior to SMR APR-2021 Release 1.
What is CVE-2021-25359?
CVE-2021-25359 is a vulnerability in Samsung Mobile Devices that enables local attackers to access AP information without proper permissions through untrusted applications due to an improper SELinux policy.
The Impact of CVE-2021-25359
The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 4. It has LOW confidentiality impact and NONE integrity impact.
Technical Details of CVE-2021-25359
This section provides details about the vulnerability, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability is classified as CWE-284 - Improper Access Control, enabling unauthorized access to AP information on Samsung Mobile Devices.
Affected Systems and Versions
Samsung Mobile Devices running versions Q(10.0) and R(11.0) are affected by this vulnerability prior to SMR APR-2021 Release 1.
Exploitation Mechanism
Local attackers can exploit this vulnerability through untrusted applications to gain unauthorized access to AP information on the affected devices.
Mitigation and Prevention
To address CVE-2021-25359, users should take immediate steps, implement long-term security practices, and apply necessary patches and updates.
Immediate Steps to Take
Users are advised to exercise caution when using untrusted applications and review device permissions to minimize the risk of unauthorized access.
Long-Term Security Practices
Implementing proper access control measures, regularly updating devices, and staying informed about security best practices can enhance the overall security posture.
Patching and Updates
Samsung Mobile users should apply the SMR APR-2021 Release 1 or later updates to mitigate the vulnerability and enhance device security.