Vulnerability identifier: #VU23982

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-20922

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
handlebars
Web applications / Modules and components for CMS

Vendor: wycats

Description

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

The vulnerability exists due to infinite loop when processing specially-crafted templates. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation
Update to version 4.4.5.

Vulnerable software versions

handlebars: 4.0.0 - 4.4.4

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External links
http://www.npmjs.com/advisories/1300

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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.