A unique key should be generated for a users QR login key and their auto-login key, so the same key cannot be used interchangeably between the two.
Weakness
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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Moodle | Moodle | 4.1.0 (including) | 4.1.11 (excluding) |
| Moodle | Moodle | 4.2.0 (including) | 4.2.8 (excluding) |
| Moodle | Moodle | 4.3.0 (including) | 4.3.5 (excluding) |
| Moodle | Moodle | 4.4.0 (including) | 4.4.0 (including) |
| Moodle | Ubuntu | upstream | * |
Potential Mitigations
References
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F7AZYR7EXV6E5SQE2GYTNQE3NOENJCQ6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GHTIX55J4Q4LEOMLNEA4OZSWVEENQX7E/
- https://moodle.org/mod/forum/discuss.php?d=459502
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F7AZYR7EXV6E5SQE2GYTNQE3NOENJCQ6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GHTIX55J4Q4LEOMLNEA4OZSWVEENQX7E/
- https://moodle.org/mod/forum/discuss.php?d=459502