mend-bolt-for-github[bot]
commented
2 years ago :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-2020-28476 - Medium Severity Vulnerability
Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed.
Library home page: https://files.pythonhosted.org/packages/e6/78/6e7b5af12c12bdf38ca9bfe863fcaf53dc10430a312d0324e76c1e5ca426/tornado-5.1.1.tar.gz
Path to dependency file: Python-100-Days/Day61-65/code/project_of_tornado/requirements.txt
Path to vulnerable library: Python-100-Days/Day61-65/code/project_of_tornado/requirements.txt,Python-100-Days/Day61-65/code/hello-tornado/requirements.txt
Dependency Hierarchy: - :x: **tornado-5.1.1.tar.gz** (Vulnerable Library)
Found in HEAD commit: fc1812a5fbae9766c5229af2c4e5b44819386ec8
All versions of package tornado are vulnerable to Web Cache Poisoning by using a vector called parameter cloaking. When the attacker can separate query parameters using a semicolon (;), they can cause a difference in the interpretation of the request between the proxy (running with default configuration) and the server. This can result in malicious requests being cached as completely safe ones, as the proxy would usually not see the semicolon as a separator, and therefore would not include it in a cache key of an unkeyed parameter.
Publish Date: 2021-01-18
URL: CVE-2020-28476
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - Privileges Required: None - User Interaction: Required - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: High - Availability Impact: High
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