Cybersecurity

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BreakingWAF: Widespread WAF Bypass Impacts Nearly 40% of Fortune 100 companies (www.zafran.io)

submitted 8 months ago by kid@sh.itjust.works to c/cybersecurity@sh.itjust.works

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[–] Shadow@lemmy.ca 4 points 8 months ago* (last edited 8 months ago) (4 children)

I feel like this doesn't explain a lot. What makes it so trivial to find the origin? They just brush it aside as easy.

Also this really just comes back to: secure your origins folks, especially if you're relying on edge security features. Nobody should be relying on a waf though.

[–] lemmyng@lemmy.ca 4 points 8 months ago

This means that when a CDN service is used as a WAF, the web application it protects is open to Internet traffic, and is expected to validate that it responds only to web traffic that originates from and by the CDN service.

When this validation is lacking, backend applications can easily be directly accessed over the Internet.

So, misconfigured backends that don't limit access to CDN sources can be fingerprinted through web scans. Seems like a big honking nothing-burger.

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