CVE-2021-25387 : Vulnerability Insights and Analysis

An improper input validation vulnerability in sflacfd_get_frm() in libsflacextractor library prior to SMR MAY-2021 Release 1 allows attackers to execute arbitrary code on mediaextractor process.

Understanding CVE-2021-25387

This CVE impacts Samsung Mobile Devices before SMR MAY-2021 Release 1 due to an improper input validation vulnerability.

What is CVE-2021-25387?

The vulnerability in libsflacextractor library allows threat actors to run arbitrary code on the mediaextractor process.

The Impact of CVE-2021-25387

The CVSS base score is 9, indicating a critical severity with high impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2021-25387

This section provides insights into the vulnerability, affected systems, versions, and exploitation mechanism.

Vulnerability Description

An improper input validation flaw in sflacfd_get_frm() enables remote attackers to execute malicious code.

Affected Systems and Versions

The vulnerability affects Samsung Mobile Devices running versions O(8.1), P(9.x), Q(10.0), R(11.0) prior to SMR MAY-2021 Release 1.

Exploitation Mechanism

Attackers exploit this vulnerability by crafting a specially designed input to trigger the execution of arbitrary code.

Mitigation and Prevention

To safeguard your systems from CVE-2021-25387, follow these security best practices.

Immediate Steps to Take

Apply the security patch released in SMR MAY-2021 Release 1 to fix the vulnerability.
Regularly update your Samsung Mobile Devices to the latest firmware to protect against known vulnerabilities.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Conduct regular security audits and vulnerability assessments to identify and address security gaps.

Patching and Updates

Stay informed about security updates and patches released by Samsung Mobile for your devices.