CVE-2018-6517: High severity puppet vulnerability

Published Mar 17, 2019
·
Updated

Prior to version 0.3.0, chloride's use of net-ssh resulted in host fingerprints for previously unknown hosts getting added to the user's knownhosts file without confirmation. In version 0.3.0 this is updated so that the user's knownhosts file is not updated by chloride.

Affected Software

2 affected componentsFixes available
rubygems/chloride<0.3.0
0.3.0
Puppet Chloride<0.3.0

Event History

Mar 17, 2019
CVE Published
via MITRE·07:14 PM
Data Sourced
via MITRE·07:14 PM
DescriptionWeakness
Mar 25, 2019
Advisory Published
04:16 PM
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Frequently Asked Questions

1

What is the severity of CVE-2018-6517?

The severity of CVE-2018-6517 is high with a CVSS score of 7.5.

2

What is the impact of CVE-2018-6517?

CVE-2018-6517 allows unauthorized modification of the user's known_hosts file.

3

How does chloride version 0.3.0 address CVE-2018-6517?

In version 0.3.0, chloride was updated to prevent the user's known_hosts file from being updated without confirmation.

4

Which software versions are affected by CVE-2018-6517?

Versions up to, but not including, 0.3.0 of chloride and Puppet Chloride are affected by CVE-2018-6517.

5

Where can I find more information about CVE-2018-6517?

You can find more information about CVE-2018-6517 at the following references: [reference 1](https://nvd.nist.gov/vuln/detail/CVE-2018-6517), [reference 2](https://web.archive.org/web/20201001014342/https://puppet.com/security/cve/CVE-2018-6517), [reference 3](https://github.com/rubysec/ruby-advisory-db/blob/master/gems/chloride/CVE-2018-6517.yml).

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