CVE-2023-1630 : What You Need to Know

This article provides insights into CVE-2023-1630, a vulnerability found in JiangMin Antivirus that can lead to denial of service due to a flaw in the IOCTL handler component.

Understanding CVE-2023-1630

CVE-2023-1630 is a vulnerability discovered in JiangMin Antivirus version 16.2.2022.418, affecting the function 0x222000 in the library kvcore.sys of the IOCTL Handler component. The exploit results in a denial of service, requiring local access for successful execution.

What is CVE-2023-1630?

The vulnerability identified as CVE-2023-1630 impacts JiangMin Antivirus version 16.2.2022.418. By manipulating unknown data in the 0x222000 function of the kvcore.sys library within the IOCTL Handler component, attackers can trigger a denial of service attack. The exploit has been publicly disclosed, indicating a potential risk to affected systems.

The Impact of CVE-2023-1630

The CVSS v2.0 base score for CVE-2023-1630 is 4.6, and the CVSS v3.1 base score is 5.5, categorizing the severity as MEDIUM. The vulnerability's vector string highlights that the attack requires local access, posing a threat to confidentiality, integrity, and availability of the system.

Technical Details of CVE-2023-1630

The vulnerability lies in the IOCTL handler component of JiangMin Antivirus version 16.2.2022.418, specifically in the function 0x222000 of the kvcore.sys library.

Vulnerability Description

The flaw allows threat actors to exploit the 0x222000 function of the kvcore.sys library, resulting in a denial of service attack. Attackers can manipulate unknown data to trigger this vulnerability.

Affected Systems and Versions

JiangMin Antivirus version 16.2.2022.418 is known to be affected by CVE-2023-1630. It is crucial for users of this software version to take immediate action to mitigate the risk posed by this vulnerability.

Exploitation Mechanism

Successful exploitation of CVE-2023-1630 requires local access to the target system. By manipulating data in the IOCTL handler component, attackers can disrupt normal system operations, leading to a denial of service scenario.

Mitigation and Prevention

To safeguard systems from the risks associated with CVE-2023-1630, proactive measures need to be implemented to secure vulnerable environments.

Immediate Steps to Take

Users of JiangMin Antivirus version 16.2.2022.418 should apply security patches provided by the vendor promptly.
Restrict access to vulnerable systems to authorized personnel only.
Monitor network traffic for any suspicious activities that could indicate an attempt to exploit the vulnerability.

Long-Term Security Practices

Regularly update software and security patches to ensure protection against known vulnerabilities.
Conduct routine security assessments and penetration testing to identify and address potential weaknesses in the system.
Educate users on practicing safe computing habits and recognizing phishing attempts that could lead to exploitation.

Patching and Updates

Stay informed about security advisories and updates released by JiangMin to address CVE-2023-1630. Timely application of patches is essential in mitigating the risks associated with this vulnerability.