CVE-2023-32845 : What You Need to Know
Learn about CVE-2023-32845, a critical vulnerability in MediaTek 5G Modem devices that could lead to remote denial of service attacks. Find out the impact, affected systems, and mitigation steps.
A detailed analysis of CVE-2023-32845 focusing on the impact, technical details, and mitigation strategies.
Understanding CVE-2023-32845
This section delves into the significance and implications of the CVE-2023-32845 vulnerability.
What is CVE-2023-32845?
CVE-2023-32845 involves a possible system crash in 5G Modem devices, leading to a remote denial of service attack. The vulnerability arises from improper error handling, specifically triggered by malformed RRC messages.
The Impact of CVE-2023-32845
The vulnerability poses a severe risk as attackers can exploit it without the need for user interaction. This could result in remote denial of service attacks on affected systems, impacting their availability.
Technical Details of CVE-2023-32845
This section delves into the specific technical aspects of CVE-2023-32845.
Vulnerability Description
The vulnerability in 5G Modem devices can be exploited by sending malformed RRC messages, causing the system to crash and resulting in a denial of service condition.
Affected Systems and Versions
Numerous MediaTek 5G Modem models such as MT2735, MT6297, MT6875, and others are impacted by this vulnerability. Specifically, Modem NR15, NR16, and NR17 versions are affected.
Exploitation Mechanism
Exploiting CVE-2023-32845 does not require any additional execution privileges or user interaction. Attackers can achieve a remote denial of service by sending crafted RRC messages.
Mitigation and Prevention
This section outlines the steps to mitigate the risks associated with CVE-2023-32845.
Immediate Steps to Take
Users are advised to apply the provided patch ID: MOLY01128524, which addresses the improper error handling issue in the 5G Modem. Promptly applying this patch can prevent potential denial of service incidents.
Long-Term Security Practices
To enhance long-term security, MediaTek device users should regularly update their devices with the latest security patches and firmware releases. Implementing robust security measures and staying informed about potential vulnerabilities is crucial.
Patching and Updates
MediaTek has released Patch ID: MOLY01128524 to mitigate the CVE-2023-32845 vulnerability. Users should ensure that their devices receive this patch promptly to safeguard against remote denial of service attacks.