CVE-2019-20082 : Vulnerability Insights and Analysis
Learn about CVE-2019-20082, a buffer overflow vulnerability in ASUS RT-N53 3.0.0.4.376.3754 devices, allowing attackers to execute arbitrary code or cause a denial of service.
A vulnerability has been identified in ASUS RT-N53 3.0.0.4.376.3754 devices, allowing a buffer overflow via specific parameters.
Understanding CVE-2019-20082
This CVE involves a buffer overflow vulnerability in ASUS RT-N53 3.0.0.4.376.3754 devices, triggered by providing excessively long values to certain parameters.
What is CVE-2019-20082?
The vulnerability in ASUS RT-N53 3.0.0.4.376.3754 devices allows attackers to exploit a buffer overflow by inputting overly long values into lan_dns1_x or lan_dns2_x parameters on the Advanced_LAN_Content.asp page.
The Impact of CVE-2019-20082
This vulnerability could be exploited by malicious actors to execute arbitrary code or crash the device, potentially leading to a denial of service (DoS) condition.
Technical Details of CVE-2019-20082
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in ASUS RT-N53 3.0.0.4.376.3754 devices arises from a buffer overflow that occurs when excessively long values are provided to lan_dns1_x or lan_dns2_x parameters within the Advanced_LAN_Content.asp page.
Affected Systems and Versions
- Affected System: ASUS RT-N53 3.0.0.4.376.3754 devices
- Vulnerable Version: 3.0.0.4.376.3754
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted requests with excessively long values to the lan_dns1_x or lan_dns2_x parameters, triggering the buffer overflow.
Mitigation and Prevention
Protecting systems from CVE-2019-20082 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by ASUS to mitigate the vulnerability.
- Monitor network traffic for any suspicious activities that could indicate an ongoing exploit attempt.
Long-Term Security Practices
- Regularly update firmware and software to ensure all security patches are up to date.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security advisories from ASUS and promptly apply any released patches to address known vulnerabilities.