CVE-2023-28540 : What You Need to Know

This CVE-2023-28540 content provides information related to a cryptographic issue in Data Modem due to improper authentication during the TLS handshake.

Understanding CVE-2023-28540

In this section, we will delve into the details of CVE-2023-28540, highlighting its impact and technical aspects.

What is CVE-2023-28540?

The CVE-2023-28540 vulnerability refers to a cryptographic issue in Data Modem caused by improper authentication during the TLS handshake. This vulnerability can have serious implications on system security.

The Impact of CVE-2023-28540

The impact of CVE-2023-28540 is classified as critical, with a base score of 9.1 according to the CVSS v3.1 metrics. The confidentiality and integrity impacts are high, with no privileges required for exploitation. The attack complexity is low, making it easier for threat actors to exploit.

Technical Details of CVE-2023-28540

This section provides a detailed overview of the vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability stems from improper authentication during the TLS handshake process in the Data Modem, leading to a cryptographic issue that threatens system security.

Affected Systems and Versions

The CVE-2023-28540 vulnerability impacts a wide range of Qualcomm Snapdragon products, including versions such as Snapdragon Mobile, Snapdragon Wearables, Snapdragon Auto, and others. Various versions of Qualcomm products are affected, including FastConnect, QCA, and Snapdragon Processor platforms.

Exploitation Mechanism

Threat actors can exploit this vulnerability by leveraging the improper authentication during the TLS handshake to compromise the cryptographic mechanisms in the Data Modem, potentially gaining unauthorized access to sensitive information.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-28540, immediate steps should be taken to enhance system security and prevent potential exploitation.

Immediate Steps to Take

Users should apply security patches provided by Qualcomm to address the cryptographic issue in the Data Modem.
Implement additional security measures such as network segmentation and access controls to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor and update security protocols to stay ahead of potential vulnerabilities.
Conduct thorough security assessments and penetration testing to identify and address any security gaps.

Patching and Updates

Stay informed about security bulletins and updates released by Qualcomm to address vulnerabilities like CVE-2023-28540. Proactively apply patches to ensure system security and integrity.