MarkUsProject Markus up to 2.4.7 config/initializers/ update_files unrestricted upload

Summaryinfo

A vulnerability was found in MarkUsProject Markus up to 2.4.7. It has been declared as critical. This vulnerability affects the function update_files of the file config/initializers/. Executing a manipulation can lead to unrestricted upload. This vulnerability is handled as CVE-2024-51499. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in MarkUsProject Markus up to 2.4.7. It has been declared as critical. This vulnerability affects the function update_files of the file config/initializers/. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

MarkUs is a web application for the submission and grading of student assignments. In versions prior to 2.4.8, an arbitrary file write vulnerability accessible via the update_files method of the SubmissionsController allows authenticated users (e.g. students) to write arbitrary files to any location on the web server MarkUs is running on (depending on the permissions of the underlying filesystem). e.g. This can lead to a delayed remote code execution in case an attacker is able to write a Ruby file into the config/initializers/ subfolder of the Ruby on Rails application. MarkUs v2.4.8 has addressed this issue. No known workarounds are available at the application level aside from upgrading.

The advisory is available at github.com. This vulnerability was named CVE-2024-51499 since 10/28/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

Upgrading to version 2.4.8 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

• Project Management Software

Vendor

• MarkUsProject

Name

• Markus

Version

• 2.4.0
• 2.4.1
• 2.4.2
• 2.4.3
• 2.4.4
• 2.4.5
• 2.4.6
• 2.4.7

Website

• Product: https://github.com/MarkUsProject/Markus/

CPE 2.3info

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CPE 2.2info

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