CVE-2019-16279 — A memory error in the function SSL_accept in nostromo nhttpd through 1

A memory error in the function SSL_accept in nostromo nhttpd through 1.9.6 allows an attacker to trigger a denial of service via a crafted HTTP request.

01What is this vulnerability?

A memory error in the function SSL_accept in nostromo nhttpd through 1.9.6 allows an attacker to trigger a denial of service via a crafted HTTP request.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2019-10-14T16:01:11.000Z
• Last modified: 2024-08-05T01:10:41.685Z

09References

• www.nazgul.ch — http://www.nazgul.ch/dev/nostromo_cl.txt
• sp0re.sh — https://sp0re.sh
• git.sp0re.sh — https://git.sp0re.sh/sp0re/Nhttpd-exploits