CVE-2019-19840 Memory corruption in n/a

Critical 9.8 Published 22 Jan 2020 Updated 5 Aug 2024

Remote attackers can execute arbitrary code on Ruckus Unleashed devices via a stack-based buffer overflow in the zap component.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-19840?

CVE-2019-19840 is a critical memory corruption vulnerability in n/a, published on 22 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-787

Which versions are affected by CVE-2019-19840?

It affects 2 products.

Products include Ruckuswireless Unleashed, Ruckuswireless Zonedirector 1200 Firmware.

How do I fix CVE-2019-19840?

No fix has been published for CVE-2019-19840 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-19840 being exploited?

There is no known exploitation of CVE-2019-19840 in the wild and no public exploit code.

Sources

Also known as GHSA-2xqq-rhmm-h69h.