CVE-2023-31606
Published: 6 June 2023
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
ruby-redcloth Launchpad, Ubuntu, Debian |
bionic |
Released
(4.3.2-3ubuntu0.1~esm1)
Available with Ubuntu Pro |
| focal |
Released
(4.3.2-3+deb10u1build0.20.04.1)
|
|
| jammy |
Released
(4.3.2-4ubuntu0.22.04.1)
|
|
| kinetic |
Ignored
(end of life, was needed)
|
|
| lunar |
Released
(4.3.2-4ubuntu0.23.04.1)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Released
(4.3.2-3+deb10u1)
|
|
| xenial |
Released
(4.2.9-5ubuntu0.1~esm1)
Available with Ubuntu Pro |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |