Moodle up to 4.2.1 File Repository Reference Parser file_storage.php privilege escalation

Summaryinfo

A vulnerability classified as critical was found in Moodle up to 3.9.22/3.11.15/4.0.9/4.1.4/4.2.1. Affected by this issue is some unknown functionality in the library lib/filestorage/file_storage.php of the component File Repository Reference Parser. Such manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2023-40317. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Moodle up to 3.9.22/3.11.15/4.0.9/4.1.4/4.2.1 (Learning Management Software). Affected by this issue is an unknown function in the library lib/filestorage/file_storage.php of the component File Repository Reference Parser. Impacted is confidentiality, integrity, and availability.

The weakness was presented 08/31/2023. The advisory is shared for download at moodle.org. This vulnerability is handled as CVE-2023-40317 since 08/14/2023. There are known technical details, but no exploit is available.

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

Upgrading to version 3.9.23, 3.11.16, 4.0.10, 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion