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rubygemsRubySecRUBY:REDCLOTH-2023-31606
HistoryJun 05, 2023 - 9:00 p.m.

RedCloth Regular Expression Denial of Service issue

2023-06-0521:00:00
RubySec
github.com
10
redcloth
gem
redos
vulnerability
sanitize_html
dos
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 >= v4.0.0.
This vulnerability allows attackers to cause a
Denial of Service (DoS) via supplying a crafted payload.

Affected configurations

Vulners
Node
rubyredclothRange4.3.3
VendorProductVersionCPE
rubyredcloth*cpe:2.3:a:ruby: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%