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Fencer Vulns
high 8.0

CVE-2018-6508 json

Puppet Enterprise 2017.3.x prior to 2017.3.3 are vulnerable to a remote execution bug when a specially crafted string was passed into the f…

published 2018-02-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18264

cvss
8.0
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Puppet Enterprise 2017.3.x prior to 2017.3.3 are vulnerable to a remote execution bug when a specially crafted string was passed into the facter_task or puppet_conf tasks. This vulnerability only affects tasks in the affected modules, if you are not using puppet tasks you are not affected by this vulnerability.

Patch / fix

  • puppet-module-puppetlabs-apt Debian 14, Debian 13, Debian 12 4.5.1-1
  • puppet-module-puppetlabs-mysql Debian 14, Debian 13, Debian 12 5.3.0-1
  • puppet-module-puppetlabs-apache Debian 13, Debian 12 3.0.0-1

debian advisories DEBIAN-CVE-2018-6508

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-6508 updated cvss 9.0

puppet: Unparameterized input in multiple modules can allow a remote user to execute arbitrary code

  • Red Hat OpenStack Platform 13 (Queens) puppet-mysql, puppet-apache
    affected: no fix available
  • Red Hat OpenStack Platform 10 (Newton) puppet-mysql, puppet-apache Red Hat OpenStack Platform 11 (Ocata) puppet-mysql, puppet-apache Red Hat OpenStack Platform 12 (Pike) puppet-mysql, puppet-apache
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.87% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.0 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P

Affected products

  • Puppet Puppet Enterprise
  • Puppet puppetlabs/facter_task
  • Puppet puppetlabs/puppet_conf
  • Puppet puppetlabs/apt
  • Puppet puppetlabs/mysql
  • Puppet puppetlabs/apache

Classification

Weakness
  • CWE-134 Use of Externally-Controlled Format String

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.