What’s Vulnerable › Vulnerabilities

CVE-2023-1642: IObit Malware Fighter IOCTL ObCallbackProcess.sys 0x222040 denial of service

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-03-26 · updated 2026-06-17
• Weakness: CWE-404

Description

A vulnerability, which was classified as problematic, was found in IObit Malware Fighter 9.4.0.776. Affected is the function 0x222034/0x222038/0x22203C/0x222040 in the library ObCallbackProcess.sys of the component IOCTL Handler. The manipulation leads to denial of service. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. VDB-224022 is the identifier assigned to this vulnerability.

Affected products

• IObit Malware Fighter: 9.4.0.776

References

• https://drive.google.com/file/d/1iWdqJ9PsBp1W5xINpUdQ28xbx_tB9xxf/view
• https://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1642
• https://vuldb.com/?ctiid.224022
• https://vuldb.com/?id.224022
• https://drive.google.com/file/d/1iWdqJ9PsBp1W5xINpUdQ28xbx_tB9xxf/view
• https://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1642
• https://vuldb.com/?ctiid.224022
• https://vuldb.com/?id.224022

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