CVE-2021-25449 : Exploit Details and Defense Strategies

An improper input validation vulnerability in libsapeextractor library prior to SMR Sep-2021 Release 1 allows attackers to execute arbitrary code in mediaextractor process.

Understanding CVE-2021-25449

This CVE affects Samsung Mobile Devices due to an improper input validation vulnerability in the libsapeextractor library. The vulnerability exists prior to the SMR Sep-2021 Release 1.

What is CVE-2021-25449?

CVE-2021-25449 is a heap-based buffer overflow vulnerability that allows attackers to run arbitrary code in the mediaextractor process of affected Samsung Mobile Devices.

The Impact of CVE-2021-25449

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 6.5. It has a high attack complexity and occurs over a network with low confidentiality and integrity impacts.

Technical Details of CVE-2021-25449

This section covers the crucial technical aspects of CVE-2021-25449 that security professionals need to be aware of.

Vulnerability Description

The vulnerability results from improper input validation in the libsapeextractor library, potentially leading to a heap-based buffer overflow.

Affected Systems and Versions

Samsung Mobile Devices running versions O(8.1), P(9.0), Q(10.0), R(11.0) before SMR Sep-2021 Release 1 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability to execute arbitrary code within the mediaextractor process without requiring any privileges.

Mitigation and Prevention

To address CVE-2021-25449, immediate steps and long-term security measures should be implemented by users and organizations.

Immediate Steps to Take

Users should apply security updates provided by Samsung Mobile to patch the vulnerability and protect their devices from potential exploitation.

Long-Term Security Practices

Implementing regular security updates, using reputable security software, and practicing safe browsing habits can help mitigate the risks associated with CVE-2021-25449.

Patching and Updates

It is crucial for users to stay informed about security updates released by Samsung Mobile to address CVE-2021-25449 effectively.