HexBrain

8x8 · Report #1280167

DNS Misconfiguration (Subdomain Takeover) - █████████.8x8.com

Validstatus
mediumseverity
18upvotes
30 Jul 2021disclosed

Summary

@melbadry9 reported to us an issue with an A record which pointed to subdomains outside of 8x8's control. This was caused due to a misconfiguration in a script, together with changes in AWS' DNS resolution behaviour. The issue has been rectified.

How it was found

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