CVE-2023-1631 Explained : Impact and Mitigation

This is an overview of CVE-2023-1631, a vulnerability found in JiangMin Antivirus.

Understanding CVE-2023-1631

This CVE entry pertains to a vulnerability identified in JiangMin Antivirus that affects the function 0x222010 in the library kvcore.sys of the IOCTL Handler component, leading to a null pointer dereference.

What is CVE-2023-1631?

The vulnerability CVE-2023-1631 found in JiangMin Antivirus version 16.2.2022.418 allows malicious actors to manipulate unknown data to exploit a null pointer dereference issue. The exploitation of this vulnerability requires local access, and the exploit has been publicly disclosed.

The Impact of CVE-2023-1631

The impact of this vulnerability is rated as MEDIUM with a CVSSv3 base score of 5.5. Successful exploitation could lead to denial of service (DoS) attacks, affecting the availability of the affected system.

Technical Details of CVE-2023-1631

This section provides more insights into the vulnerability's technical aspects.

Vulnerability Description

The vulnerability in JiangMin Antivirus version 16.2.2022.418 arises from a null pointer dereference in the IOCTL Handler component, specifically in the function 0x222010 of the library kvcore.sys.

Affected Systems and Versions

The specific version affected by CVE-2023-1631 is JiangMin Antivirus 16.2.2022.418.

Exploitation Mechanism

To exploit CVE-2023-1631, attackers must have local access to the system to manipulate data and trigger the null pointer dereference issue.

Mitigation and Prevention

Understanding how to mitigate and prevent the exploitation of CVE-2023-1631 is crucial for maintaining system security.

Immediate Steps to Take

Users are advised to apply security patches provided by the vendor promptly.
Implement network security measures to prevent unauthorized access to vulnerable systems.
Monitor for any unusual system behavior that could indicate a potential attack.

Long-Term Security Practices

Regularly update antivirus software and other security solutions to protect against known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses proactively.
Educate users and employees about safe computing practices to minimize the risk of exploitation.

Patching and Updates

Vendor patches and updates should be applied as soon as they are released to address the CVE-2023-1631 vulnerability and enhance system security.