CVE-2018-11597 Denial of service in n/a

Medium 5.5 Published 31 May 2018 Updated 16 Sep 2024

Attackers can crash the Espruino JavaScript interpreter by providing a crafted input file with excessive opening braces, causing a stack overflow.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-11597?

CVE-2018-11597 is a medium-severity denial of service vulnerability in n/a, published on 31 May 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Espruino before 1.99 allows attackers to cause a denial of service (application crash) with a user crafted input file via a Buffer Overflow during syntax parsing because of a missing check for stack exhaustion with many '{' characters in jsparse.c.

Weakness: CWE-674

Which versions are affected by CVE-2018-11597?

It affects 1 product.

Products include Espruino Espruino.

How do I fix CVE-2018-11597?

No fix has been published for CVE-2018-11597 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-11597 being exploited?

There is no known exploitation of CVE-2018-11597 in the wild and no public exploit code.

Sources

Also known as GHSA-3f92-q4c5-7ppr.