CVE Vulnerabilities

CVE-2021-41125

Insufficiently Protected Credentials

Published: Oct 06, 2021 | Modified: Apr 22, 2022
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

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.

Weakness

The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.

Affected Software

Name Vendor Start Version End Version
Scrapy Scrapy * 1.8.1 (excluding)
Scrapy Scrapy 2.0.0 (including) 2.5.1 (excluding)
Python-scrapy Ubuntu bionic *
Python-scrapy Ubuntu devel *
Python-scrapy Ubuntu esm-apps/bionic *
Python-scrapy Ubuntu esm-apps/focal *
Python-scrapy Ubuntu esm-apps/jammy *
Python-scrapy Ubuntu esm-apps/noble *
Python-scrapy Ubuntu focal *
Python-scrapy Ubuntu hirsute *
Python-scrapy Ubuntu impish *
Python-scrapy Ubuntu jammy *
Python-scrapy Ubuntu kinetic *
Python-scrapy Ubuntu lunar *
Python-scrapy Ubuntu mantic *
Python-scrapy Ubuntu noble *
Python-scrapy Ubuntu oracular *
Python-scrapy Ubuntu trusty *
Python-scrapy Ubuntu upstream *
Python-scrapy Ubuntu xenial *

Potential Mitigations

References