CVE-2020-5775: Server-Side Request Forgery in Canvas LMS
Summary
CVE-2020-5775: Server-Side Request Forgery in Canvas LMS 2020-07-29 allows a remote, unauthenticated attacker to cause the Canvas application to perform HTTP GET requests to arbitrary domains. Affects canvaslms versions >= 2020-07-29.0.0, <= 2020-07-29.0.0. No fix is published. How to fix ↓
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Background
Canvas LMS is a learning management system developed by Instructure. It is widely used by educational institutions and organizations to manage online courses and educational content. Canvas LMS allows users to create, share, and access course materials, assignments, and assessments. It provides a comprehensive set of tools for instructors and students to interact and collaborate in an online learning environment.
Vulnerability Detail
The vulnerability identified as CVE-2020-5775 is a Server-Side Request Forgery (SSRF) issue in Canvas LMS version 2020-07-29. This vulnerability allows a remote, unauthenticated attacker to manipulate the Canvas application into performing HTTP GET requests to arbitrary domains. By exploiting this vulnerability, an attacker can potentially access sensitive information, perform unauthorized actions, or launch further attacks on internal systems or external entities.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround available for this vulnerability. It is crucial to apply the official patch or upgrade to a fixed version as soon as possible.
Conclusion
The Server-Side Request Forgery (SSRF) vulnerability in Canvas LMS 2020-07-29 poses a significant risk to the security and integrity of the system. It is crucial for users to promptly apply the official patch or upgrade to a fixed version to mitigate the vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
Canvas LMS is a learning management system used for online education and course management.
Server-Side Request Forgery (SSRF) is a vulnerability that allows an attacker to make requests from the vulnerable server to other internal or external resources.
This vulnerability allows an attacker to perform unauthorized HTTP GET requests to arbitrary domains, potentially leading to unauthorized access, data leakage, or further attacks.
No, this vulnerability can be exploited by a remote, unauthenticated attacker.
To protect your Canvas LMS installation, it is recommended to upgrade to a patched version provided by Instructure.
References
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