Security Resilience

CVE-2023-1640

Iobit Malware Fighter 9.4.0.776

Public PoC
Published
26 March 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 5.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0032 23th percentile
Risk Priority 42 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-1640 is a medium-severity Improper Resource Shutdown or Release (CWE-404) vulnerability in Iobit Malware Fighter. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 23th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability Data

A vulnerability classified as problematic was found in IObit Malware Fighter 9.4.0.776. This vulnerability affects the function 0x222010 in the library ObCallbackProcess.sys of the component IOCTL Handler. The manipulation leads to denial of service. The attack needs to be approached…

more

locally. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-224020.

CWE(s)
CWE-404

Related Threats

CVEs Like This One

CVE-2023-1641Same product: Iobit Malware Fighter
CVE-2023-1638Same product: Iobit Malware Fighter
CVE-2023-1644Same product: Iobit Malware Fighter
CVE-2023-1642Same product: Iobit Malware Fighter
CVE-2023-1639Same product: Iobit Malware Fighter
CVE-2023-1645Same product: Iobit Malware Fighter
CVE-2023-1643Same product: Iobit Malware Fighter
CVE-2016-20059Same product: Iobit Malware Fighter
CVE-2024-0430Same product: Iobit Malware Fighter
CVE-2023-1646Same product: Iobit Malware Fighter

Affected Assets

iobit
malware fighter
9.4.0.776

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CP-5 Contingency Plan Update
addresses: CWE-404

Contingency plan updates incorporate proper resource shutdown and release steps, preventing attackers from leveraging incomplete cleanup during recovery scenarios.

SC-10 Network Disconnect
addresses: CWE-404

Mandates explicit shutdown of the network connection at session conclusion, directly addressing improper resource release.

SC-4 Information in Shared System Resources
addresses: CWE-404

Requires proper shutdown/release procedures that include overwriting or isolating data to block unintended transfer via reused system objects.

SI-17 Fail-safe Procedures
addresses: CWE-404

Procedures can mandate orderly shutdown or release of resources when failures occur, preventing improper resource handling after a fault.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.37 Documented operating procedures partial match
blocks

documenting procedures for secure operation, error handling, restart/recovery and resource management (including references to 8.13/8.18) is a governance and dependency control that does not itself stop exploitation of a resource-shutdown flaw; any prevention would require other controls (e.g. code changes or runtime enforcement) configured to act on it

Hardening callouts derived

DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.

  • No fine-grained STIG row for CWE-404, a class-level weakness, and none of its children carries one either.

References