CVE-2020-5775 : What You Need to Know
Learn about CVE-2020-5775, a Server-Side Request Forgery vulnerability in Canvas LMS 2020-07-29 allowing remote attackers to trigger HTTP GET requests to arbitrary domains. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A Server-Side Request Forgery vulnerability in Canvas LMS 2020-07-29 allows remote attackers to trigger HTTP GET requests to arbitrary domains.
Understanding CVE-2020-5775
This CVE identifies a specific security issue in the Canvas Learning Management System (LMS) version 2020-07-29.
What is CVE-2020-5775?
Server-Side Request Forgery in Canvas LMS 2020-07-29 enables unauthenticated remote attackers to manipulate the application into making unauthorized HTTP GET requests to any domain.
The Impact of CVE-2020-5775
This vulnerability poses a significant risk as it allows attackers to potentially access sensitive information or perform unauthorized actions through the affected Canvas LMS.
Technical Details of CVE-2020-5775
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The flaw in Canvas LMS 2020-07-29 permits attackers to exploit server-side request forgery, leading to unauthorized HTTP GET requests to diverse domains.
Affected Systems and Versions
- Product: Instructure Canvas Learning Management System (LMS)
- Version: Canvas LMS 2020-07-29
Exploitation Mechanism
Attackers can exploit this vulnerability remotely without authentication, manipulating the Canvas application to execute HTTP GET requests to arbitrary domains.
Mitigation and Prevention
Protecting systems from CVE-2020-5775 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Apply security patches promptly to address the vulnerability in Canvas LMS.
- Monitor network traffic for any suspicious activity that may indicate exploitation of server-side request forgery.
Long-Term Security Practices
- Implement strict input validation to prevent unauthorized requests and enhance server-side security.
- Conduct regular security assessments and penetration testing to identify and mitigate potential vulnerabilities.
Patching and Updates
Regularly update Canvas LMS to the latest version to ensure that security patches are applied and vulnerabilities are mitigated effectively.