DNS Rebinding Affecting go.etcd.io/etcd/v3/etcdserver package, versions <3.4.0


0.0
medium

Snyk CVSS

    Attack Complexity Low
    Integrity High

    Threat Intelligence

    EPSS 0.07% (28th percentile)
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NVD
5.5 medium
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Red Hat
5 medium

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  • Snyk ID SNYK-GOLANG-GOETCDIOETCDV3ETCDSERVER-1083908
  • published 26 Apr 2018
  • disclosed 25 Feb 2018
  • credit zelivans

How to fix?

Upgrade go.etcd.io/etcd/v3/etcdserver to version 3.4.0 or higher.

Overview

Affected versions of this package are vulnerable to DNS Rebinding. An attacker can control their DNS records to direct to localhost, and trick the browser into sending requests to localhost (or any other address).