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.
Mend Note: Converted from WS-2019-0491, on 2022-11-08.
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
CVE-2019-20922 - High Severity Vulnerability
Vulnerable Libraries - handlebars-4.0.2.js, handlebars-4.0.2.min.js, handlebars-4.0.2.jar
handlebars-4.0.2.js
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
Library home page: https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/4.0.2/handlebars.js
Path to vulnerable library: /job-dsl-api-viewer/build/webjars/handlebars/4.0.2/handlebars.js
Dependency Hierarchy: - :x: **handlebars-4.0.2.js** (Vulnerable Library)
handlebars-4.0.2.min.js
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
Library home page: https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/4.0.2/handlebars.min.js
Path to vulnerable library: /job-dsl-api-viewer/build/webjars/handlebars/4.0.2/handlebars.min.js
Dependency Hierarchy: - :x: **handlebars-4.0.2.min.js** (Vulnerable Library)
handlebars-4.0.2.jar
WebJar for Handlebars
Library home page: http://webjars.org
Path to dependency file: /job-dsl-api-viewer/build.gradle
Path to vulnerable library: /caches/modules-2/files-2.1/org.webjars/handlebars/4.0.2/259c7e47df1d59761c33f3d4a77a0b9673153af4/handlebars-4.0.2.jar
Dependency Hierarchy: - :x: **handlebars-4.0.2.jar** (Vulnerable Library)
Found in base branch: master
Vulnerability Details
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. Mend Note: Converted from WS-2019-0491, on 2022-11-08.
Publish Date: 2020-09-30
URL: CVE-2019-20922
CVSS 3 Score Details (7.5)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://www.npmjs.com/advisories/1300
Release Date: 2020-09-30
Fix Resolution: handlebars - 4.4.5
:rescue_worker_helmet: Automatic Remediation will be attempted for this issue.