CVE-2023-21497 : Vulnerability Insights and Analysis

This CVE-2023-21497 was assigned by Samsung Mobile and was published on May 4, 2023. The vulnerability involves the use of externally-controlled format string in mPOS TUI trustlet before the SMR May-2023 Release 1. It enables local attackers to access memory addresses.

Understanding CVE-2023-21497

This section will delve into the specifics of CVE-2023-21497 to aid in comprehending the issue at hand.

What is CVE-2023-21497?

CVE-2023-21497 is a security vulnerability that arises from the use of externally-controlled format string within the mPOS TUI trustlet before the SMR May-2023 Release 1. This vulnerability is identified as CWE-134, denoting the issue of externally-controlled format strings.

The Impact of CVE-2023-21497

The vulnerability in CVE-2023-21497 allows local attackers to exploit externally-controlled format string to gain access to memory addresses. This could potentially lead to unauthorized access to critical information stored in the affected Samsung Mobile Devices.

Technical Details of CVE-2023-21497

Understanding the technical aspects of CVE-2023-21497 is crucial for developing effective mitigation strategies.

Vulnerability Description

The vulnerability in mPOS TUI trustlet prior to SMR May-2023 Release 1 arises from the use of externally-controlled format strings, which can be exploited by local attackers to access memory addresses.

Affected Systems and Versions

The issue affects Samsung Mobile Devices running "Select Android 13 devices" with a version less than SMR May-2023 Release 1.

Exploitation Mechanism

Local attackers with high privileges can exploit the vulnerability by manipulating externally-controlled format strings to access memory addresses on the affected devices.

Mitigation and Prevention

Taking immediate steps to address CVE-2023-21497 and implementing long-term security practices can help mitigate risks associated with this vulnerability.

Immediate Steps to Take

Samsung Mobile users should apply security updates provided by Samsung to address the vulnerability.
Avoid using untrusted applications or connecting to unsecured networks to reduce the risk of exploitation.

Long-Term Security Practices

Regularly update Samsung Mobile Devices with the latest security patches to protect against known vulnerabilities.
Educate users on best practices for identifying and avoiding potential security threats on their devices.

Patching and Updates

Samsung Mobile users should install the SMR May-2023 Release 1 or subsequent updates to fix the vulnerability and enhance the security of their devices.