CVE-2023-1008 in Twister
Summary
by MITRE • 02/24/2023
A vulnerability was found in Twister Antivirus 8.17. It has been rated as problematic. This issue affects some unknown processing in the library filmfd.sys of the component IoControlCode Handler. The manipulation leads to denial of service. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The identifier VDB-221741 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 06/18/2026
The vulnerability in Twister Antivirus 8.17 represents a critical denial of service flaw within the system's kernel-mode driver component. This issue specifically targets the filmfd.sys library which handles input/output control code operations, making it a fundamental component in the antivirus protection stack. The vulnerability's classification as problematic indicates significant risk to system availability and operational integrity, particularly in environments where continuous protection is essential.
The technical flaw manifests in the IoControlCode Handler within the filmfd.sys library, suggesting that improper handling of input/output control codes can lead to system instability. This type of vulnerability typically occurs when the driver fails to properly validate or process incoming control codes, potentially leading to memory corruption, privilege escalation, or system crashes. The local attack vector indicates that exploitation requires physical access or administrative privileges on the target system, though this limitation does not diminish the severity of the impact.
The operational impact of this vulnerability extends beyond simple system downtime, potentially compromising the entire security infrastructure of affected systems. When a kernel-mode driver becomes unstable due to improper control code handling, it can result in complete system crashes, blue screen errors, or forced reboots that disrupt business operations. Organizations relying on Twister Antivirus for endpoint protection may experience significant service interruptions, particularly in mission-critical environments where continuous availability is paramount. The public disclosure of the exploit adds additional risk as threat actors can readily leverage this vulnerability without requiring advanced technical skills.
Mitigation strategies should focus on immediate patch deployment from the vendor, though organizations may need to implement temporary workarounds such as disabling the affected driver component or restricting local access to prevent exploitation. Security teams should monitor for exploitation attempts through system logs and implement enhanced monitoring of kernel-mode activities. This vulnerability aligns with CWE-121 and CWE-122 categories related to buffer overflows and memory corruption issues in kernel-mode components. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and system compromise through kernel-level attacks, potentially enabling lateral movement and persistent access within compromised networks. The VDB-221741 identifier serves as a crucial reference point for security professionals tracking this specific threat vector and implementing appropriate defensive measures.