CVE-2023-20980 : What You Need to Know

This CVE record pertains to a security vulnerability identified as CVE-2023-20980, which was published on March 24, 2023. The vulnerability was assigned and updated by Google's Android security team.

Understanding CVE-2023-20980

This section aims to provide an in-depth understanding of the CVE-2023-20980 vulnerability, its impacts, technical details, and mitigation techniques.

What is CVE-2023-20980?

CVE-2023-20980 refers to a specific issue within the btu_ble_ll_conn_param_upd_evt function of the btu_hcif.cc file. The vulnerability involves a potential out-of-bounds read due to a missing bounds check, leading to a risk of local information disclosure in the Bluetooth server. The exploitation of this vulnerability requires system execution privileges and does not necessitate user interaction.

The Impact of CVE-2023-20980

The impact of CVE-2023-20980 could result in local information disclosure within the Bluetooth server on affected Android devices running Android-13. This could potentially lead to a breach of confidential data without the need for user intervention.

Technical Details of CVE-2023-20980

In this section, we delve into the technical specifics of CVE-2023-20980, including vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in btu_ble_ll_conn_param_upd_evt in btu_hcif.cc presents an opportunity for threat actors to conduct out-of-bounds reads, thereby potentially exposing sensitive information stored on the affected Bluetooth server within Android devices.

Affected Systems and Versions

The impacted system identified in this CVE is Android, specifically Android-13. Devices running this version are susceptible to the information disclosure vulnerability associated with CVE-2023-20980.

Exploitation Mechanism

The exploitation of CVE-2023-20980 requires system execution privileges. Threat actors could leverage this vulnerability to gain access to confidential data without the need for user interaction, emphasizing the importance of prompt mitigation strategies.

Mitigation and Prevention

In the context of CVE-2023-20980, implementing effective mitigation and prevention measures is crucial to safeguarding affected systems and ensuring data security.

Immediate Steps to Take

Organizations and users should promptly apply security patches provided by the vendor to address the vulnerability.
Regularly monitor for any suspicious activities or unauthorized access on systems to detect potential exploitation attempts.

Long-Term Security Practices

Employ robust access controls and authentication mechanisms to restrict unauthorized access to critical systems.
Conduct routine security assessments and audits to identify and remediate vulnerabilities proactively.

Patching and Updates

Stay informed about security bulletins and updates released by the vendor, ensuring timely installation of patches to mitigate known vulnerabilities.
Maintain a proactive stance towards system security by keeping software and firmware up to date to prevent exploitation of known security flaws.