#VU36063 Input validation error in highcharts - CVE-2018-20801

Vulnerability identifier: #VU36063

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-20801

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
highcharts
Web applications / JS libraries

Vendor: highcharts

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

highcharts: 6.0.0 - 6.0.7

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External links
https://github.com/highcharts/highcharts/commit/7c547e1e0f5e4379f94396efd559a566668c0dfa
https://security.netapp.com/advisory/ntap-20190715-0001/
https://snyk.io/vuln/npm:highcharts:20180225

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.