CVE-2021-25337 : Vulnerability Insights and Analysis

In March 2021, Samsung Mobile Devices were found to have an improper access control vulnerability in the clipboard service. This flaw, identified as CVE-2021-25337, affected specific versions of Samsung mobile devices prior to the SMR Mar-2021 Release 1. Unauthorized applications could exploit this vulnerability to access certain local files.

Understanding CVE-2021-25337

What is CVE-2021-25337?

CVE-2021-25337 refers to the improper access control vulnerability present in the clipboard service of Samsung Mobile Devices.

The Impact of CVE-2021-25337

The vulnerability allows untrusted applications to read or write specific local files, posing a risk to user data confidentiality and integrity.

Technical Details of CVE-2021-25337

Vulnerability Description

The vulnerability arises from inadequate access control mechanisms within the clipboard service of affected Samsung mobile devices.

Affected Systems and Versions

Samsung mobile devices running versions prior to SMR Mar-2021 Release 1, including Selected P(9.0), Q(10.0), and R(11.0), are impacted.

Exploitation Mechanism

Untrusted applications can exploit this vulnerability to gain unauthorized access to sensitive local files on the device.

Mitigation and Prevention

Immediate Steps to Take

Samsung mobile device users should update their devices to the latest SMR Mar-2021 Release 1 or newer to address this vulnerability.

Long-Term Security Practices

Regularly check for security updates from Samsung Mobile to protect against known vulnerabilities and ensure data security.

Patching and Updates

Apply patches and security updates promptly to mitigate the risk of exploitation through vulnerabilities such as CVE-2021-25337.