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Bug 1632452 - (CVE-2018-3831) CVE-2018-3831 elasticsearch: Information exposure via _cluster/settings API
CVE-2018-3831 elasticsearch: Information exposure via _cluster/settings API
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20180918,repor...
: Security
Depends On: 1632454 1632971 1632972 1632973
Blocks: 1632455
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Reported: 2018-09-24 16:25 EDT by Pedro Sampaio
Modified: 2018-10-12 03:06 EDT (History)
53 users (show)

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Fixed In Version: elasticsearch 6.4.1, elasticsearch 5.6.12
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Description Pedro Sampaio 2018-09-24 16:25:17 EDT 
Elasticsearch Alerting and Monitoring in versions before 6.4.1 or 5.6.12 have an information disclosure issue when secrets are configured via the API. The Elasticsearch _cluster/settings API, when queried, could leak sensitive configuration information such as passwords, tokens, or usernames. This could allow an authenticated Elasticsearch user to improperly view these details.

References:

https://discuss.elastic.co/t/elastic-stack-6-4-1-and-5-6-12-security-update/149035
https://www.elastic.co/community/security
Comment 1 Pedro Sampaio 2018-09-24 16:26:08 EDT 
Created elasticsearch tracking bugs for this issue:

Affects: fedora-all [bug 1632454]
Comment 2 Joshua Padman 2018-09-25 20:47:23 EDT 
Created elasticsearch tracking bugs for this issue:

Affects: fedora-all [bug 1632971]
Comment 4 Jason Shepherd 2018-10-12 03:06:10 EDT 
OpenShift uses Search Guard [1] to protect the affected the _cluster/settings endpoint with certificate based authentication. Therefore none of the OpenShift 3.x versions are affected.

[1] https://docs.search-guard.com/latest/index
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