CVE-2023-21112 : Vulnerability Insights and Analysis

This CVE record was published on 15th May 2023 and involves a vulnerability identified in AnalyzeMfcResp of NxpMfcReader.cc. The issue stems from a missing bounds check, potentially leading to an out-of-bounds read. Exploiting this vulnerability could result in local information disclosure without requiring additional execution privileges or user interaction.

Understanding CVE-2023-21112

This section delves into the details of CVE-2023-21112, shedding light on the nature of the vulnerability and its potential impact.

What is CVE-2023-21112?

CVE-2023-21112 is characterized by an out-of-bounds read vulnerability present in AnalyzeMfcResp of NxpMfcReader.cc. Due to a missing bounds check, an attacker could leverage this flaw to gain access to local information without needing advanced privileges or user interaction.

The Impact of CVE-2023-21112

The impact of CVE-2023-21112 could be significant, as it opens up the possibility of local information disclosure. This could have serious consequences in terms of data privacy and security, especially on affected systems.

Technical Details of CVE-2023-21112

This section provides a deeper dive into the technical aspects of CVE-2023-21112, including a description of the vulnerability, the affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in AnalyzeMfcResp of NxpMfcReader.cc arises from a missing bounds check, leading to an out-of-bounds read. This flaw could be exploited by threat actors to access local information illicitly.

Affected Systems and Versions

The affected product in this CVE is Android, with versions including Android-11, Android-12, Android-12L, and Android-13. All these versions are susceptible to the out-of-bounds read vulnerability identified in AnalyzeMfcResp of NxpMfcReader.cc.

Exploitation Mechanism

To exploit CVE-2023-21112, an attacker would leverage the missing bounds check in AnalyzeMfcResp of NxpMfcReader.cc. By manipulating this vulnerability, the attacker can engage in local information disclosure activities.

Mitigation and Prevention

In order to address and prevent the risks associated with CVE-2023-21112, certain measures can be taken by affected users and organizations.

Immediate Steps to Take

Users and organizations should consider implementing immediate steps such as closely monitoring security bulletins, restricting access to vulnerable systems, and applying temporary workarounds to mitigate the risk of information disclosure.

Long-Term Security Practices

In the long term, it is advisable to maintain a robust security posture by conducting regular security assessments, staying informed about potential vulnerabilities, and fostering a culture of cybersecurity awareness within the organization.

Patching and Updates

The most effective way to address CVE-2023-21112 is to apply patches and updates provided by the relevant vendors. Timely implementation of security patches helps to remediate vulnerabilities and enhance the overall security of the systems.