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CVE-2021-21391

Опубликовано: 29 апр. 2021
Источник: nvd
CVSS3: 6.5
CVSS2: 4.3
EPSS Низкий

Описание

CKEditor 5 provides a WYSIWYG editing solution. This CVE affects the following npm packages: ckeditor5-engine, ckeditor5-font, ckeditor5-image, ckeditor5-list, ckeditor5-markdown-gfm, ckeditor5-media-embed, ckeditor5-paste-from-office, and ckeditor5-widget. Following an internal audit, a regular expression denial of service (ReDoS) vulnerability has been discovered in multiple CKEditor 5 packages. The vulnerability allowed to abuse particular regular expressions, which could cause a significant performance drop resulting in a browser tab freeze. It affects all users using the CKEditor 5 packages listed above at version <= 26.0.0. The problem has been recognized and patched. The fix will be available in version 27.0.0.

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:ckeditor:ckeditor5-engine:*:*:*:*:*:node.js:*:*
Версия до 27.0.0 (исключая)
cpe:2.3:a:ckeditor:ckeditor5-font:*:*:*:*:*:node.js:*:*
Версия до 27.0.0 (исключая)
cpe:2.3:a:ckeditor:ckeditor5-image:*:*:*:*:*:node.js:*:*
Версия до 27.0.0 (исключая)
cpe:2.3:a:ckeditor:ckeditor5-list:*:*:*:*:*:node.js:*:*
Версия до 27.0.0 (исключая)
cpe:2.3:a:ckeditor:ckeditor5-markdown-gfm:*:*:*:*:*:node.js:*:*
Версия до 27.0.0 (исключая)
cpe:2.3:a:ckeditor:ckeditor5-media-embed:*:*:*:*:*:node.js:*:*
Версия до 27.0.0 (исключая)
cpe:2.3:a:ckeditor:ckeditor5-paste-from-office:*:*:*:*:*:node.js:*:*
Версия до 27.0.0 (исключая)
cpe:2.3:a:ckeditor:ckeditor5-widget:*:*:*:*:*:node.js:*:*
Версия до 27.0.0 (исключая)

EPSS

Процентиль: 92%
0.08303
Низкий

6.5 Medium

CVSS3

4.3 Medium

CVSS2

Дефекты

CWE-400

Связанные уязвимости

CVSS3: 6.5
ubuntu
почти 5 лет назад

CKEditor 5 provides a WYSIWYG editing solution. This CVE affects the following npm packages: ckeditor5-engine, ckeditor5-font, ckeditor5-image, ckeditor5-list, ckeditor5-markdown-gfm, ckeditor5-media-embed, ckeditor5-paste-from-office, and ckeditor5-widget. Following an internal audit, a regular expression denial of service (ReDoS) vulnerability has been discovered in multiple CKEditor 5 packages. The vulnerability allowed to abuse particular regular expressions, which could cause a significant performance drop resulting in a browser tab freeze. It affects all users using the CKEditor 5 packages listed above at version <= 26.0.0. The problem has been recognized and patched. The fix will be available in version 27.0.0.

CVSS3: 6.5
github
почти 5 лет назад

Regular expression Denial of Service in multiple packages

EPSS

Процентиль: 92%
0.08303
Низкий

6.5 Medium

CVSS3

4.3 Medium

CVSS2

Дефекты

CWE-400