CKEditor 5 におけるリソースの枯渇に関する脆弱性
| Title |
CKEditor 5 におけるリソースの枯渇に関する脆弱性
|
| Summary |
CKEditor 5 には、リソースの枯渇に関する脆弱性が存在します。
|
| Possible impacts |
サービス運用妨害 (DoS) 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 |
Jan. 27, 2021, midnight |
| Registration Date |
Oct. 12, 2021, 2:22 p.m. |
| Last Update |
Oct. 12, 2021, 2:22 p.m. |
|
CVSS3.0 : 警告
|
| Score |
6.5
|
| Vector |
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
|
CVSS2.0 : 警告
|
| Score |
4
|
| Vector |
AV:N/AC:L/Au:S/C:N/I:N/A:P |
Affected System
| CKEditor Team |
|
CKEditor 5 25.0.0 未満
|
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
| No |
Changed Details |
Date of change |
| 1 |
[2021年10月12日]
掲載 |
Oct. 12, 2021, 2:22 p.m. |
NVD Vulnerability Information
CVE-2021-21254
| Summary |
CKEditor 5 is an open source rich text editor framework with a modular architecture. The CKEditor 5 Markdown plugin (@ckeditor/ckeditor5-markdown-gfm) before version 25.0.0 has a regex denial of service (ReDoS) vulnerability. The vulnerability allowed to abuse link recognition regular expression, which could cause a significant performance drop resulting in browser tab freeze. It affects all users using CKEditor 5 Markdown plugin at version <= 24.0.0. The problem has been recognized and patched. The fix will be available in version 25.0.0.
|
| Publication Date |
Jan. 30, 2021, 7:15 a.m. |
| Registration Date |
Jan. 30, 2021, 10:01 a.m. |
| Last Update |
Nov. 21, 2024, 2:47 p.m. |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:ckeditor:ckeditor5:*:*:*:*:*:*:*:* |
|
|
|
25.0.0 |
Related information, measures and tools
Common Vulnerabilities List