CVE-2019-19840 — A stack-based buffer overflow in zap_parse_args in zap

A stack-based buffer overflow in zap_parse_args in zap.c in zap in Ruckus Unleashed through 200.7.10.102.64 allows remote code execution via an unauthenticated HTTP request.

01What is this vulnerability?

A stack-based buffer overflow in zap_parse_args in zap.c in zap in Ruckus Unleashed through 200.7.10.102.64 allows remote code execution via an unauthenticated 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: 2020-01-22T20:32:36.000Z
• Last modified: 2024-08-05T02:25:12.689Z

09References

• fahrplan.events.ccc.de — https://fahrplan.events.ccc.de/congress/2019/Fahrplan/events/10816.html
• www.ruckuswireless.com — https://www.ruckuswireless.com/security/299/view/txt
• alephsecurity.com — https://alephsecurity.com/2020/01/14/ruckus-wireless