WS-2022-0320 (High) detected in commonmarker-0.17.13.gem

[mend-bolt-for-github[bot]]

WS-2022-0320 - High Severity Vulnerability

Vulnerable Library - commonmarker-0.17.13.gem

A fast, safe, extensible parser for CommonMark. This wraps the official libcmark library.

Library home page: https://rubygems.org/gems/commonmarker-0.17.13.gem

Dependency Hierarchy: - github-pages-207.gem (Root Library) - jekyll-commonmark-ghpages-0.1.6.gem - :x: **commonmarker-0.17.13.gem** (Vulnerable Library)

Found in base branch: main

Vulnerability Details

Unbounded resource exhaustion in cmark-gfm autolink extension may lead to denial of service

Publish Date: 2022-09-21

URL: WS-2022-0320

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://github.com/advisories/GHSA-4qw4-jpp4-8gvp

Release Date: 2022-09-21

Fix Resolution: commonmarker - 0.23.6

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Micro-Learning Topic: Denial of service (Detected by phrase)

Matched on "denial of service"

The Denial of Service (DoS) attack is focused on making a resource (site, application, server) unavailable for the purpose it was designed. There are many ways to make a service unavailable for legitimate users by manipulating network packets, programming, logical, or resources handling vulnerabilities, among others. Source: https://www.owasp.org/index.php/Denial_of_Service

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Micro-Learning Topic: Resource exhaustion (Detected by phrase)

Matched on "resource exhaustion"

What is this? (2min video)

Allocating objects or timers with user-controlled sizes or durations can cause resource exhaustion.

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Micro-Learning Topic: Vulnerable library (Detected by phrase)

Matched on "Vulnerable Library"

What is this? (2min video)

Use of vulnerable components will introduce weaknesses into the application. Components with published vulnerabilities will allow easy exploitation as resources will often be available to automate the process.

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Denial of Service | OWASP Foundation

Denial of Service on the main website for The OWASP Foundation. OWASP is a nonprofit foundation that works to improve the security of software.