| Summary | filter/urltolink/filter.php in Moodle through 2.5.9, 2.6.x before 2.6.9, 2.7.x before 2.7.6, and 2.8.x before 2.8.4 allows remote authenticated users to cause a denial of service (CPU consumption or partial outage) via a crafted string that is matched against an improper regular expression. |
|---|---|
| Publication Date | June 2, 2015, 4:59 a.m. |
| Registration Date | Jan. 26, 2021, 2:47 p.m. |
| Last Update | Nov. 21, 2024, 11:27 a.m. |
| CVSS2.0 : MEDIUM | |
| Score | 6.8 |
|---|---|
| Vector | AV:N/AC:L/Au:S/C:N/I:N/A:C |
| 攻撃元区分(AV) | ネットワーク |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃前の認証要否(Au) | 単一 |
| 機密性への影響(C) | なし |
| 完全性への影響(I) | なし |
| 可用性への影響(A) | 高 |
| Get all privileges. | いいえ |
| Get user privileges | いいえ |
| Get other privileges | いいえ |
| User operation required | いいえ |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:a:moodle:moodle:2.7.1:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.5.1:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.8.3:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.5.3:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.5.7:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.7.2:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.6.7:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.7.4:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.5.5:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.6.1:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.5.2:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.5.8:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.5.6:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* | 2.5.9 | ||||
| cpe:2.3:a:moodle:moodle:2.6.5:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.7.5:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.7.3:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.6.2:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.7.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.6.8:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.8.1:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.6.4:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.5.4:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.6.3:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.6.6:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.8.2:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.5.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.6.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:moodle:moodle:2.8.0:*:*:*:*:*:*:* | |||||
| Title | Moodle の filter/urltolink/filter.php におけるサービス運用妨害 (DoS) の脆弱性 |
|---|---|
| Summary | Moodle の filter/urltolink/filter.php には、サービス運用妨害 (CPU 資源の消費または部分的な停止) 状態にされる脆弱性が存在します。 |
| Possible impacts | リモート認証されたユーザにより、不適切な正規表現と照合される巧妙に細工された文字列を介して、サービス運用妨害 (CPU 資源の消費または部分的な停止) 状態にされる可能性があります。 |
| Solution | ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。 |
| Publication Date | March 16, 2015, midnight |
| Registration Date | June 4, 2015, 11:05 a.m. |
| Last Update | June 4, 2015, 11:05 a.m. |
| Moodle |
| Moodle 2.5.9 まで |
| Moodle 2.6.9 未満の 2.6.x |
| Moodle 2.7.6 未満の 2.7.x |
| Moodle 2.8.4 未満の 2.8.x |
| No | Changed Details | Date of change |
|---|---|---|
| 0 | [2015年06月04日] 掲載 |
Feb. 17, 2018, 10:37 a.m. |