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Subdomain takeover of readthedocs #160

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Shashank-In opened this issue Jul 20, 2020 · 1 comment
Open

Subdomain takeover of readthedocs #160

Shashank-In opened this issue Jul 20, 2020 · 1 comment
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vulnerable Someone has provided proof in the issue ticket that one can hijack subdomains on this service.

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@Shashank-In
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Service name

readthedocs.org

Proof

If a subdomain is pointing to readthedocs.io via CNAME records but not claimed. The website will throw an error like this

Screenshot 2020-07-21 at 4 20 45 AM

Signup for a an account and go to Your Project >> Admin >> Domains and add the domain.

The takeover will happen

Documentation

https://docs.readthedocs.io/en/stable/custom_domains.html
Closed
@EdOverflow EdOverflow added the vulnerable Someone has provided proof in the issue ticket that one can hijack subdomains on this service. label Feb 3, 2021
@HadkerX
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HadkerX commented Jul 7, 2023 •
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Thanks

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@Shashank-In @EdOverflow @HadkerX