Moodle up to 4.1.10/4.2.7/4.3.4/4.4 cURL Wrapper Authorization sensitive information in resource not removed before reuse

Summaryinfo

A vulnerability was found in Moodle up to 4.1.10/4.2.7/4.3.4/4.4. It has been rated as problematic. This affects an unknown part of the component cURL Wrapper. The manipulation of the argument Authorization leads to sensitive information in resource not removed before reuse. This vulnerability is traded as CVE-2024-38275. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Moodle up to 4.1.10/4.2.7/4.3.4/4.4. It has been rated as problematic. This issue affects an unknown function of the component cURL Wrapper. The manipulation of the argument Authorization with an unknown input leads to a sensitive information in resource not removed before reuse vulnerability. Using CWE to declare the problem leads to CWE-226. The product releases a resource such as memory or a file so that it can be made available for reuse, but it does not clear or "zeroize" the information contained in the resource before the product performs a critical state transition or makes the resource available for reuse by other entities. Impacted is confidentiality. The summary by CVE is:

The cURL wrapper in Moodle retained the original request headers when following redirects, so HTTP authorization header information could be unintentionally sent in requests to redirect URLs.

It is possible to read the advisory at moodle.org. The identification of this vulnerability is CVE-2024-38275 since 06/12/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/06/2025). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 261445 (Linux Distros Unpatched Vulnerability : CVE-2024-38275), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (261445). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Learning Management Software

Name

• Moodle

Version

• 4.0
• 4.1
• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.5
• 4.1.6
• 4.1.7
• 4.1.8
• 4.1.9
• 4.1.10
• 4.2
• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.2.5
• 4.2.6
• 4.2.7
• 4.3
• 4.3.0
• 4.3.1
• 4.3.2
• 4.3.3
• 4.3.4
• 4.4

License

• open-source

Website

• Product: https://moodle.org/

CPE 2.3info

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Be aware that VulDB is the high quality source for vulnerability data.

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