CVE-2023-32843 : Security Advisory and Response
CVE-2023-32843 allows remote attackers to crash 5G modem systems, leading to denial of service without user interaction. Learn about the impact, affected systems, and mitigation steps.
A detailed analysis of CVE-2023-32843 highlighting the vulnerability, impact, technical details, and mitigation steps.
Understanding CVE-2023-32843
In 5G Modem, a possible system crash due to improper error handling could result in a remote denial of service when receiving malformed RRC messages.
What is CVE-2023-32843?
CVE-2023-32843 is a vulnerability in 5G Modem that allows for a system crash leading to remote denial of service without the need for user interaction.
The Impact of CVE-2023-32843
The vulnerability could be exploited by attackers to remotely crash systems, potentially disrupting critical services without requiring additional execution privileges.
Technical Details of CVE-2023-32843
Explore the vulnerability description, affected systems, and exploitation mechanism in detail.
Vulnerability Description
Improper error handling in 5G Modem could result in a system crash when processing malformed RRC messages, facilitating remote denial of service attacks.
Affected Systems and Versions
Products such as MT2735, MT2737, MT6297, and many more running Modem NR15, NR16, and NR17 versions are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending malformed RRC messages to the modem, causing it to crash and resulting in a denial of service condition.
Mitigation and Prevention
Learn about the immediate steps to take and long-term security practices to safeguard against CVE-2023-32843.
Immediate Steps to Take
Apply the provided patch ID: MOLY01130204 to mitigate the vulnerability. Monitor network traffic for any signs of exploitation to prevent potential attacks.
Long-Term Security Practices
Regularly update firmware and security patches, conduct security assessments, and follow best practices for configuring and securing network devices to reduce the risk of similar vulnerabilities.
Patching and Updates
Stay informed about security bulletins and updates from MediaTek to ensure timely patching and protection against emerging threats.