CVE-2023-21435 : What You Need to Know

This CVE record pertains to an Exposure of Sensitive Information vulnerability in Fingerprint TA prior to SMR Feb-2023 Release 1. This vulnerability enables attackers to access memory address information through logs. It was published on February 9, 2023, by Samsung Mobile.

Understanding CVE-2023-21435

This section delves into the details of CVE-2023-21435, outlining its impact, technical aspects, and mitigation strategies.

What is CVE-2023-21435?

CVE-2023-21435 is a vulnerability that allows attackers to gain access to memory address information by exploiting a flaw in Fingerprint TA before the SMR Feb-2023 Release 1 for Samsung Mobile Devices.

The Impact of CVE-2023-21435

The impact of this vulnerability is rated as medium severity with a base score of 4.4. Attackers with high privileges can potentially access sensitive information from affected Samsung devices, compromising confidentiality.

Technical Details of CVE-2023-21435

In this section, we will explore the technical aspects of CVE-2023-21435, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The Exposure of Sensitive Information vulnerability in Fingerprint TA prior to SMR Feb-2023 Release 1 allows unauthorized access to memory address information via logs, posing a risk to user data confidentiality.

Affected Systems and Versions

This vulnerability impacts select Samsung Mobile Devices running versions R(11), S(12), and T(13) that are less than SMR Feb-2023 Release 1.

Exploitation Mechanism

Attackers can exploit this vulnerability to extract sensitive information from affected devices by leveraging the exposed memory address information via logs.

Mitigation and Prevention

In this section, we will discuss the steps to mitigate the risks associated with CVE-2023-21435 and prevent potential exploitation.

Immediate Steps to Take

Users of Samsung Mobile Devices should apply security updates promptly, particularly the SMR Feb-2023 Release 1 or later, to address the vulnerability and prevent unauthorized access to memory address information.

Long-Term Security Practices

Practicing good security hygiene, such as regularly updating devices, implementing secure authentication methods, and monitoring for unusual activities, can enhance overall protection against similar vulnerabilities.

Patching and Updates

Regularly checking for security updates from Samsung Mobile and promptly applying patches for identified vulnerabilities is crucial in ensuring the security and integrity of Samsung Mobile Devices.