Moodle up to 4.1.10/4.2.7/4.3.4/4.4 QR Login Key key expiration date

Summaryinfo

A vulnerability, which was classified as problematic, was found in Moodle up to 4.1.10/4.2.7/4.3.4/4.4. Affected by this vulnerability is an unknown functionality of the component QR Login Key Handler. Such manipulation leads to key expiration date. This vulnerability is listed as CVE-2024-38277. There is no available exploit.

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. Affected by this issue is some unknown functionality of the component QR Login Key Handler. The manipulation with an unknown input leads to a key expiration date vulnerability. Using CWE to declare the problem leads to CWE-324. The product uses a cryptographic key or password past its expiration date, which diminishes its safety significantly by increasing the timing window for cracking attacks against that key. Impacted is confidentiality. CVE summarizes:

A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be used interchangeably between the two.

The advisory is shared for download at moodle.org. This vulnerability is handled as CVE-2024-38277 since 06/12/2024. The exploitation is known to be difficult. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/04/2024). The MITRE ATT&CK project declares the attack technique as T1600.001.

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

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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/

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