monkeytypegame monkeytype prior 24.30.0 ./pr_num/pr_num.txt injection

Summaryinfo

A vulnerability described as problematic has been identified in monkeytypegame monkeytype. This impacts an unknown function of the file ./pr_num/pr_num.txt. Executing a manipulation can lead to injection. This vulnerability is tracked as CVE-2024-41127. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in monkeytypegame monkeytype. This vulnerability affects an unknown code block of the file ./pr_num/pr_num.txt. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Monkeytype is a minimalistic and customizable typing test. Monkeytype is vulnerable to Poisoned Pipeline Execution through Code Injection in its ci-failure-comment.yml GitHub Workflow, enabling attackers to gain pull-requests write access. The ci-failure-comment.yml workflow is triggered when the Monkey CI workflow completes. When it runs, it will download an artifact uploaded by the triggering workflow and assign the contents of ./pr_num/pr_num.txt artifact to the steps.pr_num_reader.outputs.content WorkFlow variable. It is not validated that the variable is actually a number and later it is interpolated into a JS script allowing an attacker to change the code to be executed. This issue leads to pull-requests write access. This vulnerability is fixed in 24.30.0.

The advisory is available at github.com. This vulnerability was named CVE-2024-41127 since 07/15/2024. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

By approaching the search of inurl:./pr_num/pr_num.txt it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 24.30.0 eliminates this vulnerability. Applying the patch 29627fd0d5f152e2da59671987090ea0a5c29874 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

Vendor

• monkeytypegame

Name

• monkeytype

License

• open-source

Website

• Product: https://github.com/monkeytypegame/monkeytype/

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