Open mend-bolt-for-github[bot] opened 8 months ago
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
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.
CVE-2021-21240 - High Severity Vulnerability
Vulnerable Library - httplib2-0.9.2.zip
A comprehensive HTTP client library.
Library home page: https://files.pythonhosted.org/packages/b1/e8/a49f534214a5c850faaad1678bea812991559d53bea49ecc7321f38a5757/httplib2-0.9.2.zip
Path to dependency file: /rekall-core
Path to vulnerable library: /rekall-core,/src,/rekall-gui,/tmp/ws-scm/rvmi-rekall,/rekall-agent
Dependency Hierarchy: - :x: **httplib2-0.9.2.zip** (Vulnerable Library)
Found in base branch: rvmi
Vulnerability Details
httplib2 is a comprehensive HTTP client library for Python. In httplib2 before version 0.19.0, a malicious server which responds with long series of "\xa0" characters in the "www-authenticate" header may cause Denial of Service (CPU burn while parsing header) of the httplib2 client accessing said server. This is fixed in version 0.19.0 which contains a new implementation of auth headers parsing using the pyparsing library.
Publish Date: 2021-02-08
URL: CVE-2021-21240
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/httplib2/httplib2/security/advisories/GHSA-93xj-8mrv-444m
Release Date: 2021-02-08
Fix Resolution: 0.19.0
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