CVE-2019-3922 Memory corruption in Alcatel Lucent I-240W-Q GPON ONT

Critical 9.8 Published 5 Mar 2019 Updated 16 Sep 2024

Remote unauthenticated attackers can execute arbitrary code via a stack buffer overflow in the Alcatel Lucent I-240W-Q GPON ONT.

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-2019-3922?

CVE-2019-3922 is a critical memory corruption vulnerability in Tenable Alcatel Lucent I-240W-Q GPON ONT, published on 5 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, unauthenticated attacker to /GponForm/fsetup_Form. An attacker can leverage this vulnerability to potentially execute arbitrary code.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2019-3922?

It affects 1 product.

Products include Nokia I-240w-Q Gpon Ont Firmware.

How do I fix CVE-2019-3922?

No fix has been published for CVE-2019-3922 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-2019-3922 being exploited?

There is no known exploitation of CVE-2019-3922 in the wild and no public exploit code.

Sources

Also known as GHSA-j9q7-p3q3-f2xh.