CVE-2021-25346 Explained : Impact and Mitigation

A possible arbitrary memory overwrite vulnerability in the Quram library versions prior to SMR Jan-2021 Release 1 allows for arbitrary code execution.

Understanding CVE-2021-25346

This CVE identifies a critical vulnerability in Samsung Mobile Devices that could lead to arbitrary code execution due to a memory overwrite issue in the Quram library.

What is CVE-2021-25346?

CVE-2021-25346 highlights a vulnerability in Samsung Mobile Devices that could be exploited by an attacker to execute arbitrary code by overwriting memory in the Quram library.

The Impact of CVE-2021-25346

With a base severity rating of HIGH (7.1/10), this vulnerability poses a significant risk to devices running affected versions. It requires no user privileges and can compromise confidentiality, integrity, and availability.

Technical Details of CVE-2021-25346

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability involves a possible arbitrary memory overwrite in the Quram library, impacting Samsung Mobile Devices prior to SMR Jan-2021 Release 1 and allowing for arbitrary code execution.

Affected Systems and Versions

Samsung Mobile Devices running versions O(8.x), P(9.0), and Q(10.0) before SMR Jan-2021 Release 1 are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited over a network without requiring any user interaction, emphasizing the criticality of the issue.

Mitigation and Prevention

This section outlines steps to mitigate and prevent exploitation of CVE-2021-25346.

Immediate Steps to Take

Users and administrators are advised to apply the relevant security updates provided by Samsung Mobile to address this vulnerability promptly.

Long-Term Security Practices

Implementing strong security practices such as network segmentation, least privilege access, and regular security updates can help prevent similar vulnerabilities.

Patching and Updates

Regularly check for security updates from Samsung Mobile and apply them to ensure protection against known vulnerabilities.