Auto-port 5.0: DNS: Only cache CNAME if part of the queried domain#16898
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Motivation: We should only cache the CNAME if it is part of the queried domain to ensure the name server is really authoritive for it and not provide us incorrect data. Modifications: - Only cache if CNAME is part of the queried domain - Add unit test Result: No more DNS Cache Poisoning (Bailiwick Bypass) possible (cherry picked from commit 5749d78)
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Auto-port of #16873 to 5.0
Cherry-picked commit: 5749d78
Motivation:
We should only cache the CNAME if it is part of the queried domain to ensure the name server is really authoritive for it and not provide us incorrect data.
Modifications:
Result:
No more DNS Cache Poisoning (Bailiwick Bypass) possible