CVE-2019-20922

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/handlebars-lang/handlebars.js/commit/8d5530ee2c3ea9f0aee3fde310b9f36887d00b8b	Patch Third Party Advisory
https://snyk.io/vuln/SNYK-JS-HANDLEBARS-480388	Third Party Advisory
https://www.npmjs.com/advisories/1300	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:handlebarsjs:handlebars:*:*:*:*:*:node.js:*:*

Information

Published : 2020-09-30 18:15

Updated : 2021-07-21 11:39

NVD link : CVE-2019-20922

Mitre link : CVE-2019-20922

JSON object : View

Products Affected

handlebarsjs

handlebars

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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