PT-2020-21035 · Unknown · Simple-Markdown

Published 2020-09-03 · Updated 2020-09-03

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 simple-markdown versions prior to 0.5.2

Description The issue concerns a Regular Expression Denial of Service (ReDoS) that affects the performance of the SimpleMarkdown.defaultInlineParse() function when parsing inline code blocks.

Recommendations For versions prior to 0.5.2, upgrade to version 0.5.2 or later.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

GHSA-4XF9-PGVV-XX67

Affected Products

Simple-Markdown

References · 5

• https://osv.dev/vulnerability/GHSA-4xf9-pgvv-xx67 · Vendor Advisory
• https://github.com/Khan/simple-markdown/issues/71 · Note
• https://github.com/ariabuckles/simple-markdown/commit/89797fef9abb4cab2fb76a335968266a92588816 · Note
• https://github.com/Khan/simple-markdown · Note
• https://snyk.io/vuln/SNYK-JS-SIMPLEMARKDOWN-460540 · Note