CVE-2023-1369 in Vir.IT eXplorer
Summary
by MITRE • 03/13/2023
A vulnerability was found in TG Soft Vir.IT eXplorer 9.4.86.0. It has been rated as problematic. This issue affects the function 0x82730088 in the library VIRAGTLT.sys of the component IoControlCode Handler. The manipulation leads to denial of service. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. Upgrading to version 9.5 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-222875.
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Analysis
by VulDB Data Team • 04/04/2023
The vulnerability identified as CVE-2023-1369 resides within TG Soft Vir.IT eXplorer version 9.4.86.0, a security application designed for malware detection and analysis. This flaw represents a significant concern for system administrators and cybersecurity professionals who rely on endpoint protection solutions. The vulnerability is classified as a denial of service condition that stems from improper handling of input within the IoControlCode Handler component, specifically affecting the function at memory address 0x82730088 within the VIRAGTLT.sys kernel driver. The affected system component operates at the kernel level, making this vulnerability particularly dangerous as it can potentially compromise the stability and integrity of the entire operating system.
The technical exploitation of this vulnerability occurs through local attack vectors, requiring an attacker to have access to the target system with sufficient privileges to interact with the vulnerable driver interface. The flaw manifests when malicious input is processed through the IoControlCode Handler, causing the system to become unresponsive or crash entirely. This type of vulnerability falls under the Common Weakness Enumeration category of weak input validation, specifically CWE-20, where insufficient validation of input data leads to system instability. The vulnerability's classification as a local denial of service means that attackers must already have access to the system to exploit it, but this access could be gained through various initial compromise techniques such as phishing attacks or credential theft, making the attack surface more expansive than initially apparent.
From an operational impact perspective, this vulnerability could severely disrupt business continuity for organizations relying on Vir.IT eXplorer for security operations. When the vulnerable kernel driver crashes or becomes unresponsive, it not only affects the malware detection capabilities of the application but could also lead to system-wide instability. The fact that this vulnerability has been publicly disclosed and is known to be exploitable increases the risk profile significantly. The attack vector's local nature means that it could be leveraged as part of a broader attack chain where an initial compromise allows an attacker to gain local access and then exploit this vulnerability to maintain persistence or escalate privileges. Organizations using this software may experience unexpected system downtime, loss of security coverage, and potential data exposure during the periods when the system is unstable.
The recommended mitigation strategy involves upgrading to version 9.5 of the Vir.IT eXplorer software, which contains the necessary patches to address this vulnerability. This upgrade process should be carefully planned and tested in controlled environments before deployment to production systems to ensure compatibility and prevent unintended disruptions. System administrators should also consider implementing additional security controls such as monitoring for suspicious IoControlCode operations and establishing robust patch management procedures. The vulnerability's presence in a kernel driver component highlights the importance of maintaining up-to-date security software and the critical need for regular vulnerability assessments. Organizations should also consider implementing the ATT&CK framework's mitigation strategies for kernel-level attacks, including monitoring for anomalous driver behavior and establishing privileged access controls to limit potential exploitation vectors. The public disclosure of this vulnerability means that threat actors are likely actively seeking opportunities to exploit it, making immediate remediation a critical priority for affected organizations.