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> I hope AWS mitigated this metadata endpoint weakness by now. AWS offers a version 2 of the Instance Metadata Service (IMDS) API that includes mitigations for
by porpoisemonkey 4y ago
> I hope AWS mitigated this metadata endpoint weakness by now.
AWS offers a version 2 of the Instance Metadata Service (IMDS) API that includes mitigations for many common SSRF attacks.
IIRC both IMDSv1 and IMDSv2 are turned on by default and it's a recommended AWS best practice to disable IMDSv1 when launching new instances.
https://aws.amazon.com/blogs/security/defense-in-depth-open-firewalls-reverse-proxies-ssrf-vulnerabilities-ec2-instance-metadata-service/ https://aws.amazon.com/blogs/security/defense-in-depth-open-...
- midasuni 4y agoWhy isn’t best practice the default?
- toomuchtodo 4y agoBackwards compatibility. Lots of legacy cloud infra and infrastructure as code written out there.