PT-2023-12174 · Mootools+1 · Mootools+1

Erik Krogh Kristensen · CVE-2021-32821 · Published 2023-01-03 · Updated 2023-01-10

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions MooTools versions all known versions

Description The issue concerns a CSS selector parser in MooTools that is vulnerable to Regular Expression Denial of Service (ReDoS). An attack can occur if an attacker can inject a string into a CSS selector at runtime, a scenario that is quite common, for example, with jQuery CSS selectors.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Resource Exhaustion

Weakness Enumeration

CWE-1333

CWE-400

Related Identifiers

CVE-2021-32821

GHSA-V63Q-HGQC-QVPG

Affected Products

Debian

Mootools

References · 16

• 🔥 https://securitylab.github.com/advisories/GHSL-2020-345-redos-mootools · Exploit
• https://ubuntu.com/security/CVE-2021-32821 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-32821 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/mootools · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32821 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-32821 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-v63q-hgqc-qvpg · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-32821 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32821 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-32821 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-32821 · Security Note
• https://github.com/vsviridov/mootools-node · Note
• https://t.me/cvenotify/41206 · Telegram Post
• https://t.me/cibsecurity/55811 · Telegram Post
• https://packages.debian.org/src:mootools · Note