Algorithmic complexity vulnerability in Moodle 1.9.x before 1.9.19, 2.0.x before 2.0.10, 2.1.x before 2.1.7, and 2.2.x before 2.2.4 allows remote authenticated users to cause a denial of service (CPU consumption) by using the advanced-search feature on a database activity that has many records.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Moodle | Moodle | 1.9.1 (including) | 1.9.1 (including) |
| Moodle | Moodle | 1.9.2 (including) | 1.9.2 (including) |
| Moodle | Moodle | 1.9.3 (including) | 1.9.3 (including) |
| Moodle | Moodle | 1.9.4 (including) | 1.9.4 (including) |
| Moodle | Moodle | 1.9.5 (including) | 1.9.5 (including) |
| Moodle | Moodle | 1.9.6 (including) | 1.9.6 (including) |
| Moodle | Moodle | 1.9.7 (including) | 1.9.7 (including) |
| Moodle | Moodle | 1.9.8 (including) | 1.9.8 (including) |
| Moodle | Moodle | 1.9.9 (including) | 1.9.9 (including) |
| Moodle | Moodle | 1.9.10 (including) | 1.9.10 (including) |
| Moodle | Moodle | 1.9.11 (including) | 1.9.11 (including) |
| Moodle | Moodle | 1.9.12 (including) | 1.9.12 (including) |
| Moodle | Moodle | 1.9.13 (including) | 1.9.13 (including) |
| Moodle | Moodle | 1.9.14 (including) | 1.9.14 (including) |
| Moodle | Moodle | 1.9.15 (including) | 1.9.15 (including) |
| Moodle | Moodle | 1.9.16 (including) | 1.9.16 (including) |
| Moodle | Moodle | 1.9.17 (including) | 1.9.17 (including) |
| Moodle | Moodle | 1.9.18 (including) | 1.9.18 (including) |
| Moodle | Moodle | 2.0.0 (including) | 2.0.0 (including) |
| Moodle | Moodle | 2.0.1 (including) | 2.0.1 (including) |
| Moodle | Moodle | 2.0.2 (including) | 2.0.2 (including) |
| Moodle | Moodle | 2.0.3 (including) | 2.0.3 (including) |
| Moodle | Moodle | 2.0.4 (including) | 2.0.4 (including) |
| Moodle | Moodle | 2.0.5 (including) | 2.0.5 (including) |
| Moodle | Moodle | 2.0.6 (including) | 2.0.6 (including) |
| Moodle | Moodle | 2.0.7 (including) | 2.0.7 (including) |
| Moodle | Moodle | 2.0.8 (including) | 2.0.8 (including) |
| Moodle | Moodle | 2.0.9 (including) | 2.0.9 (including) |
| Moodle | Moodle | 2.1.0 (including) | 2.1.0 (including) |
| Moodle | Moodle | 2.1.1 (including) | 2.1.1 (including) |
| Moodle | Moodle | 2.1.2 (including) | 2.1.2 (including) |
| Moodle | Moodle | 2.1.3 (including) | 2.1.3 (including) |
| Moodle | Moodle | 2.1.4 (including) | 2.1.4 (including) |
| Moodle | Moodle | 2.1.5 (including) | 2.1.5 (including) |
| Moodle | Moodle | 2.1.6 (including) | 2.1.6 (including) |
| Moodle | Moodle | 2.2.0 (including) | 2.2.0 (including) |
| Moodle | Moodle | 2.2.1 (including) | 2.2.1 (including) |
| Moodle | Moodle | 2.2.2 (including) | 2.2.2 (including) |
| Moodle | Moodle | 2.2.3 (including) | 2.2.3 (including) |
| Moodle | Ubuntu | artful | * |
| Moodle | Ubuntu | hardy | * |
| Moodle | Ubuntu | lucid | * |
| Moodle | Ubuntu | natty | * |
| Moodle | Ubuntu | oneiric | * |
| Moodle | Ubuntu | precise | * |
| Moodle | Ubuntu | quantal | * |
| Moodle | Ubuntu | raring | * |
| Moodle | Ubuntu | saucy | * |
| Moodle | Ubuntu | upstream | * |
| Moodle | Ubuntu | utopic | * |
| Moodle | Ubuntu | vivid | * |
| Moodle | Ubuntu | wily | * |
| Moodle | Ubuntu | yakkety | * |
| Moodle | Ubuntu | zesty | * |
References
- http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=refs%2Fheads%2FMOODLE_22_STABLE\u0026st=commit\u0026s=MDL-32126
- http://openwall.com/lists/oss-security/2012/07/17/1
- http://secunia.com/advisories/49890
- http://www.securityfocus.com/bid/54481
- https://exchange.xforce.ibmcloud.com/vulnerabilities/76964
- http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=refs%2Fheads%2FMOODLE_22_STABLE\u0026st=commit\u0026s=MDL-32126
- http://openwall.com/lists/oss-security/2012/07/17/1
- http://secunia.com/advisories/49890
- http://www.securityfocus.com/bid/54481
- https://exchange.xforce.ibmcloud.com/vulnerabilities/76964