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commented
1 year ago 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: Vulnerable library (Detected by phrase)
Matched on "Vulnerable Library"
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 on the main website for The OWASP Foundation. OWASP is a nonprofit foundation that works to improve the security of software.
CVE-2021-32740 - High Severity Vulnerability
Addressable is an alternative implementation to the URI implementation that is part of Ruby's standard library. It is flexible, offers heuristic parsing, and additionally provides extensive support for IRIs and URI templates.
Library home page: https://rubygems.org/gems/addressable-2.7.0.gem
Dependency Hierarchy: - html-proofer-3.17.4.gem (Root Library) - :x: **addressable-2.7.0.gem** (Vulnerable Library)
Found in base branch: main
Addressable is an alternative implementation to the URI implementation that is part of Ruby's standard library. An uncontrolled resource consumption vulnerability exists after version 2.3.0 through version 2.7.0. Within the URI template implementation in Addressable, a maliciously crafted template may result in uncontrolled resource consumption, leading to denial of service when matched against a URI. In typical usage, templates would not normally be read from untrusted user input, but nonetheless, no previous security advisory for Addressable has cautioned against doing this. Users of the parsing capabilities in Addressable but not the URI template capabilities are unaffected. The vulnerability is patched in version 2.8.0. As a workaround, only create Template objects from trusted sources that have been validated not to produce catastrophic backtracking.
Publish Date: 2021-07-06
URL: CVE-2021-32740
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.Type: Upgrade version
Origin: https://github.com/sporkmonger/addressable/security/advisories/GHSA-jxhc-q857-3j6g
Release Date: 2021-07-06
Fix Resolution: addressable - 2.8.0
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