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Message-ID: <CALLC078o3pGkc-MaODwYtUFHtZFXeum4Q8zk8WBR+NB5X-DBmw@mail.gmail.com>
Date: Thu, 2 Oct 2014 07:37:31 -0700
From: Jordan Sissel <jordan.sissel@...sticsearch.com>
To: bugtraq@...urityfocus.com
Subject: Elasticsearch vulnerability CVE-2014-6439

Summary:
Elasticsearch versions 1.3.x and prior have a default configuration for
CORS that allows an attacker to craft links that could cause a user’s
browser to send requests to Elasticsearch instances on their local network.
These requests could cause data loss or compromise.

We have been assigned CVE-2014-6439 for this issue.


Fixed versions:
Version 1.4.0 beta 1 and later change the default configuration.


Remediation:
Users should either set “http.cors.enabled” to false, or set
“http.cors.allow-origin” to the value of the server that should be allowed
access, such as localhost or a server hosting Kibana.  Disabling CORS
entirely with the former setting is more secure, but may not be suitable
for all use cases.

CVSS
Overall CVSS score: 5.3

More information:
http://www.elasticsearch.org/blog/elasticsearch-1-4-0-beta-released/

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