CVE-2011-4300: Moodle does not properly restrict access to category and course data
Summary
CVE-2011-4300: Moodle does not properly restrict access to category and course data. Affects moodle/moodle across 2 version ranges.
>= 2.0.0, < 2.0.5
>= 2.1, < 2.1.2
Fixed in 2.0.5 or 2.1.2, depending on the release line you run. How to fix ↓
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Background
Moodle is an open-source learning management system (LMS) used for creating and delivering online courses. It provides a platform for educators to create interactive and collaborative learning environments. Moodle allows users to organize courses into categories and access course materials, including files and resources. However, a vulnerability in the file_browser component of Moodle versions 2.0.x before 2.0.5 and 2.1.x before 2.1.2 allows unauthorized access to category and course data.
Vulnerability Detail
The vulnerability in Moodle's file_browser component allows remote attackers to obtain potentially sensitive information by exploiting a flaw in the access control mechanism. By sending a specially crafted request for a file, an attacker can bypass the intended restrictions and gain access to category and course data. This could lead to the exposure of confidential information, such as course materials, student data, and other sensitive resources.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
>= 2.0.0, < 2.0.52.0.5composer require moodle/moodle:2.0.5 -
>= 2.1, < 2.1.22.1.2composer require moodle/moodle:2.1.2
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Workaround
There is no specific workaround provided for this vulnerability. It is advised to apply the recommended fix by upgrading to the patched versions of Moodle.
Conclusion
The vulnerability in Moodle's file_browser component can allow unauthorized access to category and course data, potentially exposing sensitive information. It is important to apply the recommended fix by upgrading to the patched versions of Moodle and keeping the installation up to date with security updates. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
Moodle is an open-source learning management system (LMS) used for creating and delivering online courses. It provides a platform for educators to create interactive and collaborative learning environments.
The file_browser component in Moodle allows users to browse and access files and resources associated with courses. It is used for managing and organizing course materials.
The vulnerability occurs due to a lack of proper access control checks in the file_browser component. This allows remote attackers to bypass the intended restrictions and gain unauthorized access to category and course data.
The vulnerability could lead to the exposure of confidential information, such as course materials, student data, and other sensitive resources. This can have serious implications for the privacy and security of the affected Moodle installation.
To mitigate the risk, it is recommended to upgrade to the patched versions of Moodle (2.1.2 or 2.0.5) that include the necessary fixes. Additionally, keeping the Moodle installation up to date with the latest security updates is crucial.
References
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