Denial of service in amcharts4

1) Input validation error

EUVDB-ID: #VU57967

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-2021-3807

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input when matching crafted invalid ANSI escape codes in ansi-regex. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

amcharts: 4.10.0 - 4.10.22

CPE2.3

• cpe:2.3:a:amcharts:amcharts:4.10.0:*:*:*:*:*:*:*
• cpe:2.3:a:amcharts:amcharts:4.10.1:*:*:*:*:*:*:*
• cpe:2.3:a:amcharts:amcharts:4.10.2:*:*:*:*:*:*:*

External links

https://github.com/amcharts/amcharts4/releases/tag/4.10.23

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.