CVE-2024-1140 in Twister Antivirus
Summary
by MITRE • 02/13/2024
Twister Antivirus v8.17 is vulnerable to an Out-of-bounds Read vulnerability by triggering the 0x801120B8 IOCTL code of the filmfd.sys driver.
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Analysis
by VulDB Data Team • 05/19/2025
The Twister Antivirus version 8.17 presents a critical out-of-bounds read vulnerability within its kernel-mode driver component known as filmfd.sys. This flaw manifests specifically when processing the 0x801120B8 IOCTL (Input/Output Control) code, which represents a well-defined communication interface between user-mode applications and kernel-mode drivers in windows operating systems. The vulnerability arises from insufficient input validation and boundary checking within the driver's handling routine for this particular IOCTL command, creating an exploitable condition that can be triggered through maliciously crafted input data.
The technical implementation of this vulnerability stems from improper memory access controls within the filmfd.sys driver module. When the system processes the 0x801120B8 IOCTL code, the driver fails to properly validate the size or content of incoming data structures before attempting to read memory locations beyond the intended buffer boundaries. This condition allows an attacker to manipulate the driver's execution flow by providing carefully constructed input parameters that cause the driver to access invalid memory addresses, potentially leading to information disclosure, system instability, or privilege escalation opportunities. The vulnerability operates at the kernel level, meaning any successful exploitation could result in complete system compromise.
From an operational perspective, this vulnerability poses significant risks to organizations utilizing Twister Antivirus v8.17, particularly in enterprise environments where antivirus solutions often run with elevated privileges. The out-of-bounds read condition can be leveraged by attackers to extract sensitive kernel memory contents, potentially revealing system information, encryption keys, or other confidential data. Additionally, the vulnerability may serve as a stepping stone for more sophisticated attacks, as it can be combined with other exploitation techniques to achieve privilege escalation or denial of service conditions. The attack surface is relatively narrow since it requires specific IOCTL code invocation, but the impact remains severe due to the kernel-mode execution context.
Security mitigations for this vulnerability should focus on immediate patch deployment from the vendor, as the flaw affects the core driver component of the antivirus solution. Organizations should implement network segmentation and access controls to limit potential exploitation vectors while monitoring for suspicious IOCTL activity related to the filmfd.sys driver. System administrators should consider temporarily disabling or quarantining the affected antivirus component until a patched version is deployed. The vulnerability aligns with CWE-129, which addresses improper validation of array indices, and may be categorized under ATT&CK technique T1059.003 for execution through Windows Command Shell or similar kernel-mode exploitation methods. Regular security assessments and kernel-mode driver monitoring should be implemented to detect similar issues in other security software components.