Description Preview
A locally exploitable denial of service vulnerability (CWE-404: Improper Resource Shutdown or Release) exists in FabulaTech Webcam for Remote Desktop version 2.8.42. The vulnerability affects the function 0x222018 in the ftwebcam.sys library component, specifically in the IoControlCode Handler. An attacker with local access to the affected system can trigger this vulnerability, potentially causing the system to crash or become unresponsive. This vulnerability has been publicly disclosed with exploit code available.
Overview
CVE-2023-1188 affects FabulaTech Webcam for Remote Desktop, a software solution that allows users to redirect local webcams to remote desktop sessions. The vulnerability exists in the ftwebcam.sys driver component, specifically in the IoControlCode Handler function 0x222018. The issue is related to improper resource shutdown or release (CWE-404), which can lead to denial of service conditions when exploited. Local access is required to exploit this vulnerability, making it less severe than remotely exploitable issues. However, since exploit code is publicly available, systems running the vulnerable version should be updated immediately.
Remediation
To mitigate this vulnerability, users should:
- Update FabulaTech Webcam for Remote Desktop to the latest version available from the vendor's website.
- If updates are not immediately available, consider temporarily disabling the FabulaTech Webcam for Remote Desktop service when not in use.
- Implement principle of least privilege by restricting which users have local access to systems running this software.
- Monitor system logs for unexpected crashes or behavior related to ftwebcam.sys.
- Consider implementing application control solutions to prevent unauthorized manipulation of the vulnerable driver.
References
- Exploit and Technical Analysis: https://github.com/zeze-zeze/WindowsKernelVuln/tree/master/CVE-2023-1188
- Additional Exploit Information: https://drive.google.com/file/d/1_gVQtfbpywhh8Z6g4Y03Qg7UT3Aobz2e/view?usp=sharing
- VulDB Advisory: https://vuldb.com/?id.222360
- VulDB CTI Report: https://vuldb.com/?ctiid.222360
- CWE-404 (Improper Resource Shutdown or Release): https://cwe.mitre.org/data/definitions/404.html
Industry ExposureMost to leastThis section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
- Accommodation & Food ServicesAccommodation & Food Services
- Administrative, Support, Waste Management & Remediation ServicesAdministrative, Support, Waste Management & Remediation Services
- Agriculture, Forestry Fishing & HuntingAgriculture, Forestry Fishing & Hunting
- Arts, Entertainment & RecreationArts, Entertainment & Recreation
- ConstructionConstruction
- Educational ServicesEducational Services
- Finance and InsuranceFinance and Insurance
- Health Care & Social AssistanceHealth Care & Social Assistance
- InformationInformation
- Management of Companies & EnterprisesManagement of Companies & Enterprises
- ManufacturingManufacturing
- MiningMining
- Other Services (except Public Administration)Other Services (except Public Administration)
- Professional, Scientific, & Technical ServicesProfessional, Scientific, & Technical Services
- Public AdministrationPublic Administration
- Real Estate Rental & LeasingReal Estate Rental & Leasing
- Retail TradeRetail Trade
- Transportation & WarehousingTransportation & Warehousing
- UtilitiesUtilities
- Wholesale TradeWholesale Trade