CVE-2018-5265 : What You Need to Know
Learn about CVE-2018-5265, a critical vulnerability in EdgeRouter Lite devices running Ubiquiti EdgeOS 1.9.1 that allows remote attackers to execute unauthorized code with admin privileges. Find mitigation steps and best practices for enhanced system security.
EdgeRouter Lite devices running Ubiquiti EdgeOS 1.9.1 are vulnerable to remote code execution due to improper input sanitization in specific parameters.
Understanding CVE-2018-5265
This CVE identifies a critical vulnerability in EdgeRouter Lite devices that can be exploited by remote attackers to execute unauthorized code with admin privileges.
What is CVE-2018-5265?
The presence of Shell metacharacters in certain parameters on EdgeRouter Lite devices running Ubiquiti EdgeOS 1.9.1 allows attackers to execute unauthorized code with admin privileges.
The Impact of CVE-2018-5265
This vulnerability poses a severe risk as it enables remote attackers to execute arbitrary code on affected devices, potentially leading to unauthorized access and control.
Technical Details of CVE-2018-5265
EdgeRouter Lite devices running Ubiquiti EdgeOS 1.9.1 are susceptible to the following:
Vulnerability Description
The vulnerability arises from the lack of proper sanitization in the 'alias' or 'ips' parameter within a specific file, enabling the execution of unauthorized code.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting Shell metacharacters into the vulnerable parameters, allowing them to execute unauthorized code with admin privileges.
Mitigation and Prevention
To address CVE-2018-5265 and enhance system security, consider the following measures:
Immediate Steps to Take
- Implement appropriate input sanitization to prevent unauthorized code execution.
- Regularly monitor and update system configurations to mitigate potential risks.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify and address vulnerabilities proactively.
- Educate users and administrators on secure coding practices and the importance of input validation.
Patching and Updates
- Apply patches and updates provided by the vendor to address the vulnerability and enhance system security.