CVE-2021-25369 : Exploit Details and Defense Strategies
Learn about CVE-2021-25369, an improper access control vulnerability in Samsung Mobile Devices, exposing sensitive kernel information to userspace. Find out the impact, affected systems, and mitigation steps.
This article provides an overview of CVE-2021-25369, highlighting its impact, technical details, and mitigation strategies.
Understanding CVE-2021-25369
CVE-2021-25369 is an improper access control vulnerability found in sec_log file before SMR MAR-2021 Release 1, exposing sensitive kernel information to userspace.
What is CVE-2021-25369?
The vulnerability in sec_log file prior to SMR MAR-2021 Release 1 allows unauthorized access to sensitive kernel information on Samsung Mobile Devices running O(8.x), P(9.0), and Q(10.0) versions.
The Impact of CVE-2021-25369
With a CVSS base score of 6.2, this medium-severity vulnerability poses a high confidentiality impact, potentially compromising sensitive data stored on affected devices.
Technical Details of CVE-2021-25369
Explore the specifics of the vulnerability, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability arises due to improper access control in the sec_log file, enabling unauthorized users to obtain sensitive kernel details from the affected devices.
Affected Systems and Versions
Samsung Mobile Devices running O(8.x), P(9.0), and Q(10.0) versions prior to SMR MAR-2021 Release 1 are impacted by this security flaw.
Exploitation Mechanism
The vulnerability allows local attackers to access critical kernel information stored in sec_log file without the need for additional privileges, increasing the risk of unauthorized data exposure.
Mitigation and Prevention
Discover immediate steps and long-term security practices to safeguard devices against CVE-2021-25369.
Immediate Steps to Take
Users are recommended to install the SMR MAR-2021 Release 1 or later update provided by Samsung Mobile to mitigate the vulnerability and enhance device security.
Long-Term Security Practices
Regularly update devices with the latest security patches and follow best security practices to reduce exposure to potential threats.
Patching and Updates
Stay proactive in applying security patches and firmware updates released by Samsung Mobile to address known vulnerabilities and enhance overall device security.