CVE-2018-17021 Explained : Impact and Mitigation
Learn about CVE-2018-17021 affecting ASUS GT-AC5300 devices. This XSS vulnerability allows remote attackers to inject malicious web script or HTML code, posing a security risk. Find mitigation steps and preventive measures here.
A security flaw, known as cross-site scripting (XSS), has been identified in ASUS GT-AC5300 devices. This vulnerability is present in devices using firmware up to version 3.0.0.4.384_32738. It allows malicious individuals to inject unauthorized web script or HTML code by exploiting the appGet.cgi hook parameter.
Understanding CVE-2018-17021
This CVE identifies a cross-site scripting vulnerability affecting ASUS GT-AC5300 devices.
What is CVE-2018-17021?
Cross-site scripting (XSS) vulnerability on ASUS GT-AC5300 devices with firmware through 3.0.0.4.384_32738 allows remote attackers to inject arbitrary web script or HTML via the appGet.cgi hook parameter.
The Impact of CVE-2018-17021
- Malicious individuals can inject unauthorized web script or HTML code into affected devices.
- Attackers can exploit this vulnerability to execute arbitrary code and potentially compromise the device.
Technical Details of CVE-2018-17021
This section provides technical details of the vulnerability.
Vulnerability Description
The vulnerability allows remote attackers to inject arbitrary web script or HTML code via the appGet.cgi hook parameter on ASUS GT-AC5300 devices.
Affected Systems and Versions
- ASUS GT-AC5300 devices with firmware up to version 3.0.0.4.384_32738 are affected.
Exploitation Mechanism
Attackers exploit the appGet.cgi hook parameter to inject unauthorized web script or HTML code into the device.
Mitigation and Prevention
Protecting against CVE-2018-17021 requires immediate action and long-term security practices.
Immediate Steps to Take
- Update the firmware of ASUS GT-AC5300 devices to the latest version.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor and restrict network traffic to detect and prevent malicious activities.
Long-Term Security Practices
- Regularly update firmware and security patches for all network devices.
- Conduct security assessments and penetration testing to identify and address vulnerabilities.
- Educate users and administrators about safe browsing practices and the risks of XSS attacks.
- Implement web application firewalls and security mechanisms to mitigate XSS vulnerabilities.
Patching and Updates
Ensure timely installation of firmware updates and security patches provided by ASUS to address the XSS vulnerability in GT-AC5300 devices.