CVE-2018-17020 : What You Need to Know
Learn about CVE-2018-17020 affecting ASUS GT-AC5300 devices. Discover the impact, technical details, affected systems, exploitation mechanism, and mitigation steps.
Devices running firmware version 3.0.0.4.384_32738, like ASUS GT-AC5300, are vulnerable to a denial of service attack caused by a single line that includes "GET / HTTP/1.1\r\n". Remote attackers can exploit this vulnerability.
Understanding CVE-2018-17020
ASUS GT-AC5300 devices with firmware through 3.0.0.4.384_32738 allow remote attackers to cause a denial of service via a single "GET / HTTP/1.1\r\n" line.
What is CVE-2018-17020?
CVE-2018-17020 is a vulnerability in ASUS GT-AC5300 devices that can be exploited by remote attackers to trigger a denial of service attack.
The Impact of CVE-2018-17020
- Remote attackers can exploit the vulnerability to cause a denial of service on affected devices.
Technical Details of CVE-2018-17020
ASUS GT-AC5300 devices with firmware version 3.0.0.4.384_32738 are susceptible to a denial of service attack due to a specific HTTP request.
Vulnerability Description
The vulnerability is triggered by a single line containing "GET / HTTP/1.1\r\n", allowing remote attackers to disrupt the device's normal operation.
Affected Systems and Versions
- Product: ASUS GT-AC5300
- Firmware Version: 3.0.0.4.384_32738
Exploitation Mechanism
- Remote attackers can exploit the vulnerability by sending a crafted HTTP request to the device, leading to a denial of service.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the impact of CVE-2018-17020 and prevent future attacks.
Immediate Steps to Take
- Update the firmware of ASUS GT-AC5300 devices to a secure version that addresses the vulnerability.
- Implement network-level protections to filter out potentially malicious HTTP requests.
Long-Term Security Practices
- Regularly monitor for firmware updates and security advisories from ASUS to stay protected against known vulnerabilities.
- Employ network security measures such as firewalls and intrusion detection systems to enhance overall device security.
Patching and Updates
- Apply patches and updates provided by ASUS promptly to ensure that the device is protected against known vulnerabilities.