CVE-2023-21197 : Vulnerability Insights and Analysis

This CVE-2023-21197 was published on June 28, 2023, by Google Android. It involves a vulnerability in btm_acl_process_sca_cmpl_pkt of btm_acl.cc, potentially leading to remote information disclosure without requiring any additional execution privileges.

Understanding CVE-2023-21197

This section will delve into the details of CVE-2023-21197, outlining what exactly the vulnerability entails and its impacts.

What is CVE-2023-21197?

CVE-2023-21197 is a vulnerability found in btm_acl_process_sca_cmpl_pkt of btm_acl.cc in Android-13. It is categorized as an information disclosure vulnerability, highlighting the potential for remote attackers to access sensitive information without the need for user interaction.

The Impact of CVE-2023-21197

The impact of CVE-2023-21197 lies in the risk of remote information disclosure, which could compromise user data and privacy. With no additional execution privileges required, malicious actors could exploit this vulnerability to gain unauthorized access to confidential information.

Technical Details of CVE-2023-21197

In this section, we will explore the technical aspects of CVE-2023-21197, including the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in btm_acl_process_sca_cmpl_pkt of btm_acl.cc results from an incorrect bounds check, leading to a possible out-of-bounds read. This flaw opens up the possibility of remote information disclosure, posing a significant security risk for affected systems.

Affected Systems and Versions

The vulnerability impacts Android-13, making systems running on this specific version susceptible to the information disclosure risk associated with CVE-2023-21197.

Exploitation Mechanism

Exploiting CVE-2023-21197 does not require user interaction, as remote attackers can leverage the incorrect bounds check in btm_acl_process_sca_cmpl_pkt to carry out out-of-bounds read operations and access sensitive information.

Mitigation and Prevention

To address CVE-2023-21197, it is crucial to take immediate steps for mitigation and implement long-term security practices to bolster resilience against such vulnerabilities.

Immediate Steps to Take

Immediately apply security patches and updates provided by Google Android to mitigate the risk posed by CVE-2023-21197. Regularly monitor for any security advisories and act promptly to safeguard systems against potential exploits.

Long-Term Security Practices

Implementing security best practices, such as conducting regular security assessments, enforcing secure coding practices, and maintaining up-to-date software, can help enhance overall resilience against vulnerabilities like CVE-2023-21197.

Patching and Updates

Stay vigilant for security updates released by Google Android for Android-13, ensuring that systems are promptly patched to address the vulnerability identified in CVE-2023-21197. Prioritize the installation of updates to mitigate potential risks effectively.