Elasticsearch 1.6.0 Directory Traversal

2015.07.17

Credit: Benjamin Smith

Risk: Medium

Local: No

Remote: Yes

CVE: CVE-2015-5531

CWE: CWE-22

CVSS Base Score: 5/10

Impact Subscore: 2.9/10

Exploitability Subscore: 10/10

Exploit range: Remote

Attack complexity: Low

Authentication: No required

Confidentiality impact: Partial

Integrity impact: None

Availability impact: None

Summary:
Elasticsearch versions from 1.0.0 to 1.6.0 are vulnerable to a directory traversal attack that allows an attacker to retrieve files that are readable by the Elasticsearch JVM process.  

We have been assigned CVE-2015-5531 for this issue.

Fixed versions:
Versions 1.6.1 and 1.7.0 address the vulnerability.  

Remediation:
Users should upgrade to the 1.6.1 or 1.7.0 releases.  Users that do not wish to upgrade can use a firewall, reverse proxy, or Shield to prevent snapshot API calls from untrusted sources.

CVSS
Overall CVSS score: 2.6

Credits:
Benjamin Smith reported the issue.

References:

http://cxsecurity.com/issue/WLB-2015070080

See this note in RAW Version

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Elasticsearch 1.6.0 Directory Traversal

References:

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