CVE-2020-5781 Explained : Impact and Mitigation
Learn about CVE-2020-5781, a vulnerability in IgniteNet HeliOS GLinq v2.2.1 r2961 allowing denial-of-service attacks. Find mitigation steps and preventive measures here.
IgniteNet HeliOS GLinq v2.2.1 r2961 is susceptible to a denial-of-service vulnerability due to the langSelection parameter manipulation, potentially causing service disruption.
Understanding CVE-2020-5781
What is CVE-2020-5781?
In IgniteNet HeliOS GLinq v2.2.1 r2961, a vulnerability exists where the langSelection parameter can be altered, leading to a denial-of-service scenario affecting all users.
The Impact of CVE-2020-5781
Exploitation of this vulnerability can result in a denial-of-service condition, disrupting services for all users of the affected product.
Technical Details of CVE-2020-5781
Vulnerability Description
The langSelection parameter in the luci configuration file (/etc/config/luci) is manipulated through the authenticator.htmlauth function, causing a denial-of-service issue.
Affected Systems and Versions
- Product: IgniteNet HeliOS GLinq
- Version: v2.2.1 r2961
Exploitation Mechanism
By modifying the langSelection parameter with arbitrary JavaScript, an attacker can trigger a denial-of-service condition for all users.
Mitigation and Prevention
Immediate Steps to Take
- Implement access controls to restrict unauthorized modifications to configuration files.
- Regularly monitor system logs for any suspicious activities.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify and address vulnerabilities.
- Stay informed about security updates and patches provided by the vendor.
Patching and Updates
Apply patches and updates provided by IgniteNet to address the vulnerability and enhance system security.