Infinite loop in handlebars - CVE-2019-20922
Published: January 6, 2020 / Updated: July 4, 2021
Vulnerability identifier: #VU23982
CSH Severity: Medium
CVSS v4.0: 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-2019-20922
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: wycats
Affected software:
handlebars
handlebars
Detailed vulnerability 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.
How to mitigate CVE-2019-20922
Update to version 4.4.5.