CVE-2023-21648 : Security Advisory and Response

This CVE record was assigned by Qualcomm and published on August 8, 2023. The vulnerability involves memory corruption in RIL while attempting to send an apdu packet.

Understanding CVE-2023-21648

This section will provide an overview of what CVE-2023-21648 entails.

What is CVE-2023-21648?

CVE-2023-21648 is a vulnerability related to memory corruption in RIL (Radio Interface Layer) that occurs when trying to send an apdu packet.

The Impact of CVE-2023-21648

The impact of CVE-2023-21648 includes a high availability, confidentiality, and integrity impact. The base score is 6.7, categorizing this vulnerability as of medium severity. The attack vector is local, the attack complexity is low, and high privileges are required for exploitation.

Technical Details of CVE-2023-21648

This section will delve into the technical aspects of CVE-2023-21648.

Vulnerability Description

The vulnerability involves an integer overflow leading to a buffer overflow in RIL, specifically when attempting to send an apdu packet.

Affected Systems and Versions

The affected platforms include Snapdragon Auto, Snapdragon Industrial IOT, Snapdragon Mobile, and Snapdragon Wearables. Various versions of Qualcomm products such as AQT1000, QCA6391, QCA6420, QCA6430, QCA6574A, and more are impacted.

Exploitation Mechanism

The exploitation of this vulnerability requires high privileges with a low attack complexity and a local attack vector.

Mitigation and Prevention

This section will outline steps to mitigate and prevent exploitation of CVE-2023-21648.

Immediate Steps to Take

Immediate steps to take include monitoring for patches and updates from Qualcomm that address this vulnerability. Limiting access and permissions to vulnerable systems can also help mitigate risks.

Long-Term Security Practices

Implementing strong access controls, regular security audits, and keeping systems up-to-date with the latest patches are essential long-term security practices.

Patching and Updates

Ensure that the affected systems are updated with the latest patches released by Qualcomm to address the CVE-2023-21648 vulnerability. Regularly check for security bulletins and advisories from the vendor to stay informed about potential security threats.