PT-2023-11360 · Unknown · Simple-Markdown

Published 2023-02-12 · Updated 2024-05-17 · CVE-2019-25102

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 simple-markdown version 0.6.0

Description A problematic vulnerability was found in the simple-markdown software, affecting an unknown function of the file simple-markdown.js. The issue arises from inefficient regular expression complexity when the input <<<<<<<<:/:/:/:/:/:/:/:/:/:/ is manipulated. This can be exploited remotely. The exploit has been publicly disclosed and may be used.

Recommendations To address this issue, upgrade to version 0.6.1. As a temporary workaround, consider restricting the input to prevent inefficient regular expression complexity until the upgrade is applied.

Exploit

Fix

DoS

Weakness Enumeration

CWE-1333

Related Identifiers

CVE-2019-25102

GHSA-J533-2G8V-PMPG

Affected Products

Simple-Markdown

References · 10

• 🔥 https://github.com/ariabuckles/simple-markdown/pull/73 · Exploit
• https://github.com/ariabuckles/simple-markdown/commit/015a719bf5cdc561feea05500ecb3274ef609cd2 · Patch
• https://github.com/ariabuckles/simple-markdown/releases/tag/0.6.1 · Patch
• https://osv.dev/vulnerability/GHSA-j533-2g8v-pmpg · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-25102 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-25102 · Security Note
• https://github.com/ariabuckles/simple-markdown · Note
• https://vuldb.com/?id.220638 · Note
• https://vuldb.com/?ctiid.220638 · Note
• https://t.me/cibsecurity/57977 · Telegram Post