CVE-2023-32846 Explained : Impact and Mitigation

Understanding CVE-2023-32846

A vulnerability has been identified in 5G Modem that could result in a system crash due to improper error handling, leading to remote denial of service without requiring additional execution privileges.

What is CVE-2023-32846?

The CVE-2023-32846 vulnerability in 5G Modem can be exploited to cause a system crash and remote denial of service by receiving malformed RRC messages. Importantly, this vulnerability does not necessitate user interaction for exploitation.

The Impact of CVE-2023-32846

The impact of CVE-2023-32846 includes the potential for a system crash and remote denial of service, posing a risk to the availability and stability of affected systems.

Technical Details of CVE-2023-32846

A closer look at the technical aspects of the CVE-2023-32846 vulnerability reveals crucial information regarding the affected systems and exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper error handling in the 5G Modem, allowing for the reception of malformed RRC messages that can trigger a system crash.

Affected Systems and Versions

The CVE-2023-32846 vulnerability impacts a range of MediaTek products including MT2735, MT2737, MT6297, and many others. Specifically, versions Modem NR15, NR16, and NR17 of these products are identified as affected.

Exploitation Mechanism

Exploiting CVE-2023-32846 involves sending malformed RRC messages to the vulnerable system, causing a system crash and enabling remote denial of service attacks.

Mitigation and Prevention

Understanding the steps to mitigate and prevent the exploitation of CVE-2023-32846 is crucial for ensuring the security of systems.

Immediate Steps to Take

Immediate actions to address CVE-2023-32846 include applying patches and security updates provided by MediaTek to remediate the vulnerability.

Long-Term Security Practices

In addition to immediate patching, establishing robust security practices such as regular vulnerability assessments and timely software updates can enhance the overall security posture.

Patching and Updates

Regularly monitoring and applying security patches and updates released by MediaTek is essential to protect systems from CVE-2023-32846 and other potential vulnerabilities.