Description Preview
The Uboot bootloader on the Verizon Wireless Network Extender SCS-26UC4 is vulnerable to a security issue that enables physically proximate attackers to gain root access. By connecting a specially crafted HDMI cable and utilizing a sys session to manipulate the ramboot environment variable, attackers can exploit this vulnerability to escalate privileges and potentially compromise the device.
Overview
This vulnerability in the Uboot bootloader of the Verizon Wireless Network Extender SCS-26UC4 allows attackers in close physical proximity to the device to elevate their privileges and gain root access. The exploit involves connecting a manipulated HDMI cable and using a sys session to modify critical variables, providing unauthorized access to the system.
Remediation
To mitigate this vulnerability, it is recommended to apply the following remediation steps:
- Implement physical security measures to prevent unauthorized access to the device.
- Regularly monitor and audit system logs for any suspicious activities.
- Update the Uboot bootloader to a patched version that addresses this security issue.
- Consider restricting physical access to the device to authorized personnel only.
References
- CVE Details: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4874
- CERT Vulnerability Note VU#458007: http://www.kb.cert.org/vuls/id/458007
- SecurityFocus BID 61169: http://www.securityfocus.com/bid/61169
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
