CVE-2019-25102 — A vulnerability, which was classified as problematic, was found in simple-markdo

A vulnerability, which was classified as problematic, was found in simple-markdown 0.6.0. Affected is an unknown function of the file simple-markdown.js. The manipulation with the input <<<<<<<<<<:/:/:/:/:/:/:/:/:/:/ leads to inefficient regular expr

01What is this vulnerability?

A vulnerability, which was classified as problematic, was found in simple-markdown 0.6.0. Affected is an unknown function of the file simple-markdown.js. The manipulation with the input <<<<<<<<<<:/:/:/:/:/:/:/:/:/:/ leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version…

02Affected products

Vendor	Product	Versions
n	a / simple	markdown — 0.6.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-02-12T13:31:04.352Z
• Last modified: 2024-08-05T03:00:19.321Z

09References

• vuldb.com — https://vuldb.com/?id.220638
• vuldb.com — https://vuldb.com/?ctiid.220638
• github.com — https://github.com/ariabuckles/simple-markdown/pull/73
• github.com — https://github.com/ariabuckles/simple-markdown/commit/015a719bf5cdc561feea05500e…
• github.com — https://github.com/ariabuckles/simple-markdown/releases/tag/0.6.1