CVE-2018-6508 — puppet: Unparameterized input in multiple modules can allow a remote user to execute arbitrary code

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CRITICAL

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

Published Feb 9, 2018

9.0

CRITICAL

CVSS 3.0

EPSS 1.87%

Description

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.

Affected products

Vendor Puppet Product Puppet Enterprise Default
n/a
- Version
  2017.3.x prior to 2017.3.4
  Status
  affected
  Constraints
  -
Vendor Puppet Product Puppetlabs/apache Default
n/a
- Version
  prior to 2.3.1
  Status
  affected
  Constraints
  -
Vendor Puppet Product Puppetlabs/apt Default
n/a
- Version
  prior to 4.5.1
  Status
  affected
  Constraints
  -
Vendor Puppet Product Puppetlabs/facter Task Default
n/a
- Version
  prior to 0.1.5
  Status
  affected
  Constraints
  -
Vendor Puppet Product Puppetlabs/mysql Default
n/a
- Version
  prior to 5.2.1
  Status
  affected
  Constraints
  -
Vendor Puppet Product Puppetlabs/puppet Conf Default
n/a
- Version
  prior to 0.1.5
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Puppet

Puppet Enterprise

n/a

Version	Status	Constraints
2017.3.x prior to 2017.3.4	affected	-

Puppet

Puppetlabs/apache

n/a

Version	Status	Constraints
prior to 2.3.1	affected	-

Puppet

Puppetlabs/apt

n/a

Version	Status	Constraints
prior to 4.5.1	affected	-

Puppet

Puppetlabs/facter Task

n/a

Version	Status	Constraints
prior to 0.1.5	affected	-

Puppet

Puppetlabs/mysql

n/a

Version	Status	Constraints
prior to 5.2.1	affected	-

Puppet

Puppetlabs/puppet Conf

n/a

Version	Status	Constraints
prior to 0.1.5	affected	-

Red Hat OpenStack Platform 10 (Newton)

puppet-apache

Not affected
Red Hat OpenStack Platform 10 (Newton)

puppet-mysql

Not affected
Red Hat OpenStack Platform 11 (Ocata)

puppet-apache

Not affected
Red Hat OpenStack Platform 11 (Ocata)

puppet-mysql

Not affected
Red Hat OpenStack Platform 12 (Pike)

puppet-apache

Not affected
Red Hat OpenStack Platform 12 (Pike)

puppet-mysql

Not affected
Red Hat OpenStack Platform 13 (Queens)

puppet-apache

Affected
Red Hat OpenStack Platform 13 (Queens)

puppet-mysql

Affected

Product	Package	State	Advisory
Red Hat OpenStack Platform 10 (Newton)	puppet-apache	Not affected	n/a
Red Hat OpenStack Platform 10 (Newton)	puppet-mysql	Not affected	n/a
Red Hat OpenStack Platform 11 (Ocata)	puppet-apache	Not affected	n/a
Red Hat OpenStack Platform 11 (Ocata)	puppet-mysql	Not affected	n/a
Red Hat OpenStack Platform 12 (Pike)	puppet-apache	Not affected	n/a
Red Hat OpenStack Platform 12 (Pike)	puppet-mysql	Not affected	n/a
Red Hat OpenStack Platform 13 (Queens)	puppet-apache	Affected	n/a
Red Hat OpenStack Platform 13 (Queens)	puppet-mysql	Affected	n/a

Remediation

No remediation recorded yet.

Metrics

1.87% 0.01871

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01871

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Table of values (14 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.87% (0.01871)	78.59th	v5 (v2026.06.15)
Jun 15, 2026	1.98% (0.01977)	77.83th	v5 (v2026.06.15)
Mar 30, 2025	0.95% (0.00953)	74.34th	v4 (v2025.03.14)
Mar 29, 2025	2.08% (0.02079)	73.32th	v4 (v2025.03.14)
Mar 17, 2025	0.81% (0.00811)	72.57th	v4 (v2025.03.14)
Jan 12, 2025	0.28% (0.00278)	68.03th	v3 (v2023.03.01)
May 11, 2024	1.19% (0.01193)	85.03th	v3 (v2023.03.01)
Apr 2, 2024	0.90% (0.00903)	82.40th	v3 (v2023.03.01)
Feb 21, 2024	0.92% (0.00925)	82.46th	v3 (v2023.03.01)
Mar 7, 2023	0.90% (0.00897)	80.23th	v3 (v2023.03.01)
Mar 6, 2023	1.85% (0.01850)	77.21th	v2 (v2022.01.01)
Feb 4, 2022	1.69% (0.01689)	53.31th	v2 (v2022.01.01)
Feb 3, 2022	1.37% (0.01374)	32.00th	v5 (v2026.06.15)
Apr 14, 2021	1.37% (0.01374)	0.00th	v1

Weaknesses (2)

CWE-134

CWE-78

OS Command Injection

References (6)

http://www.securityfocus.com/bid/103020
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://access.redhat.com/security/cve/CVE-2018-6508
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1542831
Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2018-6508
https://puppet.com/security/cve/CVE-2018-6508
x_refsource_CONFIRMVendor Advisory
https://www.cve.org/CVERecord?id=CVE-2018-6508

Link	Providers	Tags
http://www.securityfocus.com/bid/103020		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://access.redhat.com/security/cve/CVE-2018-6508		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1542831		Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2018-6508
https://puppet.com/security/cve/CVE-2018-6508		x_refsource_CONFIRMVendor Advisory
https://www.cve.org/CVERecord?id=CVE-2018-6508