Moodle up to 4.2.1 Proxy lib/moodlelib.php input validation

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Moodle up to 3.9.22/3.11.15/4.0.9/4.1.4/4.2.1. This affects an unknown part in the library lib/moodlelib.php of the component Proxy Handler. Performing a manipulation results in input validation. This vulnerability is cataloged as CVE-2023-40316. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Moodle up to 3.9.22/3.11.15/4.0.9/4.1.4/4.2.1 (Learning Management Software). This affects an unknown functionality in the library lib/moodlelib.php of the component Proxy Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on integrity.

The weakness was shared 08/31/2023. The advisory is shared at moodle.org. This vulnerability is uniquely identified as CVE-2023-40316 since 08/14/2023. Technical details are known, but no exploit is available.

By approaching the search of inurl:lib/moodlelib.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 3.9.23, 3.11.16, 4.0109, 4.1.5 or 4.2.2 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.moodle.org. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Learning Management Software

Name

• Moodle

Version

• 3.9.0
• 3.9.1
• 3.9.2
• 3.9.3
• 3.9.4
• 3.9.5
• 3.9.6
• 3.9.7
• 3.9.8
• 3.9.9
• 3.9.10
• 3.9.11
• 3.9.12
• 3.9.13
• 3.9.14
• 3.9.15
• 3.9.16
• 3.9.17
• 3.9.18
• 3.9.19
• 3.9.20
• 3.9.21
• 3.9.22
• 3.11.0
• 3.11.1
• 3.11.2
• 3.11.3
• 3.11.4
• 3.11.5
• 3.11.6
• 3.11.7
• 3.11.8
• 3.11.9
• 3.11.10
• 3.11.11
• 3.11.12
• 3.11.13
• 3.11.14
• 3.11.15
• 4.0.0
• 4.0.1
• 4.0.2
• 4.0.3
• 4.0.4
• 4.0.5
• 4.0.6
• 4.0.7
• 4.0.8
• 4.0.9
• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.2.0
• 4.2.1

License

• open-source

Website

• Product: https://moodle.org/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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