CVE-2023-20986 Explained : Impact and Mitigation

This CVE record was published on March 24, 2023, by Google Android. It involves a vulnerability in btm_ble_clear_resolving_list_completecomplete of btm_ble_privacy.cc, potentially leading to an out-of-bounds read and local information disclosure. System execution privileges are needed for exploitation, and no user interaction is required.

Understanding CVE-2023-20986

This section will delve into the specifics of CVE-2023-20986, including its impact, technical details, affected systems, and mitigation strategies.

What is CVE-2023-20986?

CVE-2023-20986 is a vulnerability in Android discovered in btm_ble_clear_resolving_list_completecomplete of btm_ble_privacy.cc. The issue arises from a missing bounds check, which could result in local information disclosure.

The Impact of CVE-2023-20986

The impact of CVE-2023-20986 is the potential for local information disclosure when exploited with the necessary system execution privileges. This could pose a risk to user data and privacy.

Technical Details of CVE-2023-20986

Understanding the technical aspects of CVE-2023-20986 is crucial for implementing effective mitigation measures.

Vulnerability Description

The vulnerability in btm_ble_clear_resolving_list_completecomplete of btm_ble_privacy.cc can trigger an out-of-bounds read, leading to local information disclosure if exploited without proper boundary checks.

Affected Systems and Versions

The affected product is Android, specifically version Android-13. Systems running Android-13 are vulnerable to CVE-2023-20986, requiring immediate attention to address the risk of information disclosure.

Exploitation Mechanism

Exploiting CVE-2023-20986 requires system execution privileges but does not mandate user interaction, making it a concern for devices running the affected Android version.

Mitigation and Prevention

Taking proactive measures to mitigate and prevent the exploitation of CVE-2023-20986 is essential to safeguard systems and user data.

Immediate Steps to Take

Immediate steps to address CVE-2023-20986 include applying security patches provided by Google Android to fix the vulnerability and prevent potential information disclosure.

Long-Term Security Practices

To enhance long-term security, organizations should prioritize regular security updates, conduct vulnerability assessments, and implement robust security protocols to mitigate risks effectively.

Patching and Updates

Regularly updating Android devices to the latest software versions and promptly applying security patches released by Google Android is crucial in addressing CVE-2023-20986 and other potential vulnerabilities.