CVE-2023-31606

2023-06-0600:00:00

ubuntu.com

cve-2023-31606

regular expression denial of service

sanitize html

redcloth gem

denial of service

crafted payload

unix

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%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchruby-redcloth< 4.3.2-3ubuntu0.1~esm1UNKNOWN
ubuntu20.04noarchruby-redcloth< 4.3.2-3+deb10u1build0.20.04.1UNKNOWN
ubuntu22.04noarchruby-redcloth< 4.3.2-4ubuntu0.22.04.1UNKNOWN
ubuntu23.04noarchruby-redcloth< 4.3.2-4ubuntu0.23.04.1UNKNOWN
ubuntu16.04noarchruby-redcloth< 4.2.9-5ubuntu0.1~esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	ruby-redcloth	< 4.3.2-3ubuntu0.1~esm1	UNKNOWN
ubuntu	20.04	noarch	ruby-redcloth	< 4.3.2-3+deb10u1build0.20.04.1	UNKNOWN
ubuntu	22.04	noarch	ruby-redcloth	< 4.3.2-4ubuntu0.22.04.1	UNKNOWN
ubuntu	23.04	noarch	ruby-redcloth	< 4.3.2-4ubuntu0.23.04.1	UNKNOWN
ubuntu	16.04	noarch	ruby-redcloth	< 4.2.9-5ubuntu0.1~esm1	UNKNOWN