Cross-site Request Forgery (CSRF) Affecting github.com/coreos/etcd/pkg/httputil package, versions <3.4.0
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26 Apr 2018
25 Feb 2018
How to fix?
github.com/coreos/etcd/pkg/httputil to version 3.4.0 or higher.
Affected versions of this package are vulnerable to Cross-site Request Forgery (CSRF). An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.