CVE-2023-20977 : Vulnerability Insights and Analysis
Learn about CVE-2023-20977, a critical vulnerability in Android that could lead to local information disclosure. No user interaction required for exploit. Published on March 24, 2023.
This CVE record was published on March 24, 2023, and relates to a vulnerability found in Android, specifically in the btm_ble_read_remote_features_complete function of btm_ble_gap.cc. The vulnerability could result in an out-of-bounds read due to inadequate input validation, potentially leading to local information disclosure if exploited with System execution privileges. No user interaction is required for exploitation.
Understanding CVE-2023-20977
This section delves into the details of CVE-2023-20977 related to Android.
What is CVE-2023-20977?
CVE-2023-20977 is a vulnerability found in the btm_ble_read_remote_features_complete function of btm_ble_gap.cc in Android. It poses a risk of out-of-bounds read due to inadequate input validation, potentially leading to local information disclosure.
The Impact of CVE-2023-20977
The impact of this vulnerability is significant as it could allow an attacker to access sensitive information locally without the need for user interaction, if the exploit is successful.
Technical Details of CVE-2023-20977
This section provides more technical insights into CVE-2023-20977.
Vulnerability Description
The vulnerability arises from improper input validation in the mentioned function, leading to the possibility of an out-of-bounds read operation.
Affected Systems and Versions
The affected system is Android, specifically version Android-13. Users with this version are at risk of exploitation due to this vulnerability.
Exploitation Mechanism
The exploitation of CVE-2023-20977 could result in the disclosure of local information without the need for user interaction, making it a critical security concern.
Mitigation and Prevention
Understanding how to mitigate and prevent the exploitation of CVE-2023-20977 is crucial for maintaining system security.
Immediate Steps to Take
Prompt measures should be taken to address this vulnerability, such as monitoring for security updates and patches related to Android-13.
Long-Term Security Practices
Implementing strong security practices, such as regular security audits and monitoring, can help prevent such vulnerabilities from being exploited in the future.
Patching and Updates
Users are advised to stay informed about security bulletins and updates from Android to ensure that patches for CVE-2023-20977 are applied promptly to mitigate the risk of exploitation.