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GHSA-823f-cwm9-4g74
No affected components available
Impact
If you use HttpAuthMiddleware (i.e. the http_user and http_pass spider attributes) for Splash authentication, any non-Splash request will expose your credentials to the request target. This includes robots.txt requests sent by Scrapy when the ROBOTSTXT_OBEY setting is set to True.
Patches
Upgrade to scrapy-splash 0.8.0 and use the new SPLASH_USER and SPLASH_PASS settings instead to set your Splash authentication credentials safely.
Workarounds
If you cannot upgrade, set your Splash request credentials on a per-request basis, using the splash_headers request parameter, instead of defining them globally using the HttpAuthMiddleware.
Alternatively, make sure all your requests go through Splash. That includes disabling the robots.txt middleware.
For more information
If you have any questions or comments about this advisory:
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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