CVE-2023-22385 : What You Need to Know

This CVE record was published by Qualcomm on October 3, 2023. It addresses a memory corruption issue in the Data Modem that occurs during making a MO call or MT VOLTE call.

Understanding CVE-2023-22385

This vulnerability, known as Buffer Over-read in Data Modem, poses a high risk with a CVSSv3.1 base score of 8.2. It can impact confidentiality and availability, with low complexity required for the attack and no special privileges needed.

What is CVE-2023-22385?

The vulnerability involves a memory corruption issue in the Data Modem when initiating specific types of calls. This could potentially lead to unauthorized access to sensitive information or disrupt the service availability.

The Impact of CVE-2023-22385

With a high severity rating, this vulnerability can result in data exposure or the disruption of services related to the affected Data Modem functionality, impacting user experience and potentially compromising user data.

Technical Details of CVE-2023-22385

This vulnerability affects various versions of the Qualcomm Snapdragon platform. The affected versions include but are not limited to Snapdragon Mobile, Snapdragon Compute, Snapdragon Wearables, and Snapdragon Connectivity.

Vulnerability Description

The vulnerability entails a buffer over-read in the Data Modem, triggered during specific call operations, potentially leading to memory corruption and subsequent data exposure or service disruption.

Affected Systems and Versions

Numerous Qualcomm products and versions are affected, such as the Snapdragon 5G IoT Modem, Snapdragon LTE Modems, FastConnect series, Snapdragon Mobile Platforms, and various other Qualcomm chipsets.

Exploitation Mechanism

The vulnerability can be exploited over a network connection, with no user interaction required. An attacker could potentially exploit this flaw to gain unauthorized access to sensitive information or disrupt service availability.

Mitigation and Prevention

It is crucial for Qualcomm users and device manufacturers to take immediate steps to mitigate the risks posed by CVE-2023-22385 and implement long-term security practices for enhanced protection.

Immediate Steps to Take

Users should apply any available security patches or updates provided by Qualcomm to address the vulnerability in the affected Data Modem. Implementing network security measures can also help mitigate potential exploitation.

Long-Term Security Practices

Maintaining up-to-date firmware and software versions, conducting regular security assessments, and staying informed about security bulletins from Qualcomm can aid in preventing similar vulnerabilities in the future.

Patching and Updates

Regularly check for security updates and patches released by Qualcomm for the affected products and promptly apply them to ensure the security and functionality of the Data Modem is safeguarded against potential exploitation.