CVE-2018-5759 Denial of service in n/a

Medium 5.5 Published 24 Jan 2018 Updated 5 Aug 2024

Remote attackers can cause a denial of service via excessive recursion in the MuJS JavaScript engine by submitting a crafted file.

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-2018-5759?

CVE-2018-5759 is a medium-severity denial of service vulnerability in n/a, published on 24 Jan 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

jsparse.c in Artifex MuJS through 1.0.2 does not properly maintain the AST depth for binary expressions, which allows remote attackers to cause a denial of service (excessive recursion) via a crafted file.

Weakness: CWE-674

Which versions are affected by CVE-2018-5759?

It affects 1 product.

Products include Artifex Mujs.

How do I fix CVE-2018-5759?

No fix has been published for CVE-2018-5759 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-2018-5759 being exploited?

There is no known exploitation of CVE-2018-5759 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-j2g9-xj29-72m9.