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githubGitHub Advisory DatabaseGHSA-QCM3-VFQ5-WFR2
HistoryJun 06, 2023 - 6:30 p.m.

RedCloth Regular Expression Denial of Service issue

2023-06-0618:30:20
CWE-1333
GitHub Advisory Database
github.com
8
redcloth gem
regular expression denial of service
denial of service
vulnerability
sanitize_html
software

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

46.7%

A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of RedCloth gem. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.

Affected configurations

Vulners
Node
redclothRange<4.3.3
VendorProductVersionCPE
*redcloth*cpe:2.3:a:*:redcloth:*:*:*:*:*:*:*:*

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

46.7%