CVE-2018-20801 Regular Expression Denial of Service in highcharts
An attacker can cause a denial of service in the SVGRenderer component via ReDoS in Highcharts JS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-20801?
CVE-2018-20801 is a high-severity denial of service vulnerability in n/a, published on 14 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In js/parts/SvgRenderer.js in Highcharts JS before 6.1.0, the use of backtracking regular expressions permitted an attacker to conduct a denial of service attack against the SVGRenderer component, aka ReDoS.
Weakness: CWE-185
Which versions are affected by CVE-2018-20801?
2 open source packages ship an affected version, including highcharts. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
highcharts npm | All versions | 6.1.0 |
highcharts npm | All versions | 6.1.0 |
Products include Highcharts Highcharts.
How do I fix CVE-2018-20801?
Upgrade highcharts to 6.1.0 or later.
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-2018-20801 being exploited?
There is no known exploitation of CVE-2018-20801 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-xmc8-cjfr-phx3.