Vulnerability CVE-2019-20922
Published: 2020-09-30

Description:
Handlebars before 4.4.5 allows Regular Expression Denial of Service (ReDoS) because of eager matching. The parser may be forced into an endless loop while processing crafted templates. This may allow attackers to exhaust system resources.

Type:

CWE-835

 (Loop with Unreachable Exit Condition ('Infinite Loop'))

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Handlebarsjs -> Handlebars 

 References:
https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b
https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388
https://www.npmjs.com/advisories/1300
Copyright 2024, cxsecurity.com

 

Back to Top