CVE-2023-21273 : Security Advisory and Response

This CVE-2023-21273 was assigned by google_android and was published on August 14, 2023. The vulnerability affects Google's Android versions 11, 12, 12L, and 13.

Understanding CVE-2023-21273

This section delves into the details of CVE-2023-21273, a vulnerability found in Android versions 11, 12, 12L, and 13.

What is CVE-2023-21273?

The vulnerability lies in the SDP_AddAttribute of sdp_db.cc, where an incorrect bounds check leads to a potential out-of-bounds write. This flaw could result in remote code execution without the need for additional execution privileges or user interaction.

The Impact of CVE-2023-21273

The impact of this vulnerability is severe as it could allow an attacker to execute malicious code on the affected system remotely. This kind of attack does not require the user to interact with the device, making it particularly dangerous.

Technical Details of CVE-2023-21273

In this section, we will explore the technical aspects of CVE-2023-21273, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in SDP_AddAttribute of sdp_db.cc results from an incorrect bounds check, enabling an out-of-bounds write that can be leveraged for remote code execution.

Affected Systems and Versions

Google's Android versions 11, 12, 12L, and 13 are affected by this vulnerability, potentially leaving a significant number of devices at risk.

Exploitation Mechanism

Exploiting this vulnerability does not require any user interaction. An attacker can leverage the incorrect bounds check in the SDP_AddAttribute of sdp_db.cc to execute remote code on the affected device.

Mitigation and Prevention

To safeguard against CVE-2023-21273, immediate steps need to be taken as well as adopting long-term security practices to prevent future vulnerabilities.

Immediate Steps to Take

Users are advised to apply security patches released by Google promptly to mitigate the risk posed by CVE-2023-21273. It is crucial to stay updated with security advisories and implement necessary patches as soon as they are made available.

Long-Term Security Practices

In addition to patching vulnerabilities promptly, adopting robust security practices such as regular security audits, maintaining up-to-date software, implementing least privilege access, and utilizing firewalls can enhance overall system security.

Patching and Updates

Google is likely to release security patches addressing CVE-2023-21273. Users should ensure their devices are updated with the latest security updates to protect against potential exploitation of this vulnerability.