CVE-2021-25364 : Exploit Details and Defense Strategies
Learn about CVE-2021-25364, a vulnerability in Samsung Mobile Devices allowing unprivileged apps to access contact information. Find mitigation steps and long-term security practices.
A pendingIntent hijacking vulnerability in Secure Folder prior to SMR APR-2021 Release 1 allows unprivileged applications to access contact information.
Understanding CVE-2021-25364
This CVE involves a vulnerability in Samsung Mobile Devices that could potentially lead to unauthorized access to contact information on the device.
What is CVE-2021-25364?
CVE-2021-25364 is a pendingIntent hijacking vulnerability in Secure Folder before SMR APR-2021 Release 1, affecting Samsung Mobile Devices. This vulnerability allows unprivileged applications to access contact information.
The Impact of CVE-2021-25364
The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 4.0. It poses a risk of exposure of sensitive information to unauthorized actors with low confidentiality impact.
Technical Details of CVE-2021-25364
This section provides more detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerability involves a pendingIntent hijacking issue in Secure Folder, granting access to contact information by unprivileged apps.
Affected Systems and Versions
Affected systems include Samsung Mobile Devices with custom version R(11.0) before SMR APR-2021 Release 1.
Exploitation Mechanism
Exploiting this vulnerability requires a local attack vector with low complexity, where unprivileged apps exploit the hijacked pendingIntent to access contact data.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-25364, certain steps and security practices need to be implemented.
Immediate Steps to Take
Users are advised to update their Samsung Mobile Devices to at least the SMR APR-2021 Release 1 to patch the vulnerability and prevent unauthorized access to contact information.
Long-Term Security Practices
Practicing regular device updates, installing security patches, and avoiding untrusted applications can help enhance the overall security of Samsung Mobile Devices.
Patching and Updates
Regularly check for security updates provided by Samsung Mobile and ensure the installation of the latest patches to address known vulnerabilities and protect sensitive data.