CVE-2014-6439 Cross-site scripting in Elasticsearch

What is CVE-2014-6439?

CVE-2014-6439 is a medium-severity cross-site scripting vulnerability in n/a, published on 10 Oct 2014. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross-site scripting (XSS) vulnerability in the CORS functionality in Elasticsearch before 1.4.0.Beta1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2014-6439?

2 open source packages ship an affected version, including org.elasticsearch:elasticsearch. It affects 1 product.

Products include Elasticsearch Elasticsearch.

How do I fix CVE-2014-6439?

Upgrade org.elasticsearch:elasticsearch to 1.4.0.Beta1 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2014-6439 being exploited?

There is no known exploitation of CVE-2014-6439 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2015-4165 Improper Access Control in Elasticsearch High 7.5
• CVE-2015-5531 Improper Limitation of a Pathname to a Restricted Directory in Elasticsearch Medium 5.0
• CVE-2015-3337 Improper Limitation of a Pathname to a Restricted Directory in Elasticsearch Medium 4.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8699-m855-cwqf, UBUNTU-CVE-2014-6439.