CVE-2021-25504 : Exploit Details and Defense Strategies
Learn about CVE-2021-25504, an intent redirection flaw in Samsung Mobile's Group Sharing software, allowing attackers to access contact information. Follow mitigation steps for enhanced security.
A detailed analysis of CVE-2021-25504, an intent redirection vulnerability in Samsung Mobile's Group Sharing prior to version 10.8.03.2 that allows attackers to access contact information.
Understanding CVE-2021-25504
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-25504.
What is CVE-2021-25504?
CVE-2021-25504 is an intent redirection vulnerability in Samsung Mobile's Group Sharing software before version 10.8.03.2. This vulnerability enables malicious actors to gain unauthorized access to contact information.
The Impact of CVE-2021-25504
The exploit has a base severity rating of MEDIUM with a CVSS base score of 4. Due to improper input validation, attackers with local access can potentially compromise user confidentiality by retrieving contact details.
Technical Details of CVE-2021-25504
Here we delve into the specifics of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises from improper input validation, allowing threat actors to redirect intents and access sensitive user data through Group Sharing.
Affected Systems and Versions
Samsung Mobile's Group Sharing versions prior to 10.8.03.2 are impacted by this vulnerability, specifically those below version 10.8.03.2.
Exploitation Mechanism
The vulnerability requires local access, making it necessary for threat actors to have physical proximity to exploit the flaw and access contact information.
Mitigation and Prevention
Understanding the immediate steps and long-term security practices to mitigate the risks associated with CVE-2021-25504.
Immediate Steps to Take
Users should update Group Sharing to version 10.8.03.2 or higher to patch the vulnerability and prevent unauthorized access to contact information.
Long-Term Security Practices
Implement a robust security posture by regularly updating software, educating users on security best practices, and monitoring for any unusual activity or unauthorized access attempts.
Patching and Updates
Stay informed about security updates from Samsung Mobile and apply patches promptly to safeguard against potential vulnerabilities.