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CVE-2021-41125
Good to know:


Date: October 6, 2021
Scrapy is a high-level web crawling and scraping framework for Python. If you use "HttpAuthMiddleware" (i.e. the "http_user" and "http_pass" spider attributes) for HTTP authentication, all requests will expose your credentials to the request target. This includes requests generated by Scrapy components, such as "robots.txt" requests sent by Scrapy when the "ROBOTSTXT_OBEY" setting is set to "True", or as requests reached through redirects. Upgrade to Scrapy 2.5.1 and use the new "http_auth_domain" spider attribute to control which domains are allowed to receive the configured HTTP authentication credentials. If you are using Scrapy 1.8 or a lower version, and upgrading to Scrapy 2.5.1 is not an option, you may upgrade to Scrapy 1.8.1 instead. If you cannot upgrade, set your HTTP authentication credentials on a per-request basis, using for example the "w3lib.http.basic_auth_header" function to convert your credentials into a value that you can assign to the "Authorization" header of your request, instead of defining your credentials globally using "HttpAuthMiddleware".
Language: Python
Severity Score
Related Resources (9)
Severity Score
Weakness Type (CWE)
Top Fix

CVSS v3.1
Base Score: |
|
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Attack Vector (AV): | NETWORK |
Attack Complexity (AC): | LOW |
Privileges Required (PR): | LOW |
User Interaction (UI): | REQUIRED |
Scope (S): | UNCHANGED |
Confidentiality (C): | HIGH |
Integrity (I): | NONE |
Availability (A): | NONE |
CVSS v2
Base Score: |
|
---|---|
Access Vector (AV): | NETWORK |
Access Complexity (AC): | LOW |
Authentication (AU): | SINGLE |
Confidentiality (C): | PARTIAL |
Integrity (I): | NONE |
Availability (A): | NONE |
Additional information: |