CVE-2023-32841 Explained : Impact and Mitigation

This article provides detailed information about CVE-2023-32841, a vulnerability in 5G Modem affecting various MediaTek products.

Understanding CVE-2023-32841

CVE-2023-32841 is a vulnerability in 5G Modem that could result in a system crash due to improper error handling. It has the potential to lead to remote denial of service attacks without requiring additional execution privileges or user interaction.

What is CVE-2023-32841?

CVE-2023-32841 is a security vulnerability in MediaTek's 5G Modem that could allow attackers to trigger a system crash by sending malformed RRC messages, leading to a denial of service condition.

The Impact of CVE-2023-32841

The impact of CVE-2023-32841 is significant as it can result in remote denial of service attacks on affected MediaTek products without user interaction, potentially disrupting critical services.

Technical Details of CVE-2023-32841

This section provides technical details about the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in 5G Modem is caused by improper error handling, allowing attackers to crash the system by sending malformed RRC messages.

Affected Systems and Versions

Various MediaTek products are affected by CVE-2023-32841, including MT2735, MT2737, MT6297, and many more, running Modem NR15, NR16, and NR17 versions.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by sending specially crafted RRC messages to the targeted MediaTek devices, causing system crashes and denial of service.

Mitigation and Prevention

In this section, we discuss the steps that users and organizations can take to mitigate the risk posed by CVE-2023-32841 and prevent potential attacks.

Immediate Steps to Take

Users should apply the provided patch ID: MOLY01128524, issued by MediaTek to address the vulnerability in the affected products. It is crucial to apply this patch promptly to prevent exploitation.

Long-Term Security Practices

To enhance long-term security, users should stay updated on security bulletins from MediaTek and regularly apply security patches and updates for their MediaTek devices to protect against known vulnerabilities.

Patching and Updates

It is recommended to stay informed about security updates from MediaTek and promptly apply patches to mitigate the risk of exploitation and ensure the security of MediaTek products.