| Package | Affected versions | Patched versions |
|---|---|---|
| go.etcd.io/etcd/v3 | < 3.4.0 | 3.4.0 |
| etcd | ≤ 3.3.1 |
A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. 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.
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