CVE-2023-1638 - CVE House

Back to Database

Status published Medium CVE-2023-1638

IObit Malware Fighter IOCTL ImfRegistryFilter.sys 0x8001E040 denial of service

5.5 CVSS

Vulnerability Description

A vulnerability was found in IObit Malware Fighter 9.4.0.776. It has been rated as problematic. Affected by this issue is the function 0x8001E024/0x8001E040 in the library ImfRegistryFilter.sys of the component IOCTL Handler. The manipulation leads to denial of service. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. VDB-224018 is the identifier assigned to this vulnerability.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-1638

Check My Exposure

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Zeze7w (VulDB User)

References

More from IObit

View All →

IObit Protected Folder IOCTL IURegistryFilter.sys 0x8001E010 null pointer dereference

IObit Protected Folder IOCTL IUProcessFilter.sys 0x8001E004 null pointer dereference

IObit DualSafe Password Manager BPL RTL120.BPL uncontrolled search path

IObit Driver Booster BPL VCL120.BPL uncontrolled search path

IObit iTop Data Recovery Pro BPL madbasic_.bpl uncontrolled search path

Affected Vendor

IObit

View all reports →

Affected Software

Malware Fighter

Vulnerable Versions:

9.4.0.776

Timeline

Official Publish: March 26th, 2023

Last Modified: February 19th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1498 Network Denial of Service

T1562 Impair Defenses

Defense Evasion

T1190 Exploit Public-Facing Application

T1046 Network Service Discovery