PT-2022-15024 · Unknown · Markdown-It

Makenowjust + 1 · Published 2022-01-10 · Updated 2023-07-24 · CVE-2022-21670

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions markdown-it versions prior to 12.3.2

Description The issue concerns a Markdown parser that can be significantly slowed down by special patterns with lengths greater than 50 thousand characters. There are no known real-world incidents or estimated numbers of affected devices provided.

Recommendations For versions prior to 12.3.2, upgrade to version 12.3.2 or later to receive a patch. As there are no known workarounds aside from upgrading, it is essential to apply this update to mitigate the issue.

Exploit

Fix

Resource Exhaustion

DoS

Weakness Enumeration

CWE-400

CWE-1333

Related Identifiers

CVE-2022-21670

GHSA-6VFC-QV3F-VR6C

Affected Products

Markdown-It

References · 14

• 🔥 https://github.com/markdown-it/markdown-it/security/advisories/GHSA-6vfc-qv3f-vr6c · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21670.json · Exploit
• https://github.com/markdown-it/markdown-it/commit/ffc49ab46b5b751cd2be0aabb146f2ef84986101 · Patch
• https://osv.dev/vulnerability/GHSA-6vfc-qv3f-vr6c · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-21670 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-21670 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-21670 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-21670 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-21670 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-21670 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-21670 · Vendor Advisory
• https://github.com/markdown-it/markdown-it · Note
• https://t.me/cvenotify/25214 · Telegram Post
• https://t.me/cibsecurity/35210 · Telegram Post