Vulnerability Name:

CVE-2016-2786 (CCN-114198)

Assigned:2016-03-14
Published:2016-03-14
Updated:2022-01-24
Summary:The pxp-agent component in Puppet Enterprise 2015.3.x before 2015.3.3 and Puppet Agent 1.3.x before 1.3.6 does not properly validate server certificates, which might allow remote attackers to spoof brokers and execute arbitrary commands via a crafted certificate.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2016-2786

Source: XF
Type: UNKNOWN
puppet-cve20162786-command-exec(114198)

Source: CCN
Type: Puppet Labs Web site
CVE-2016-2786 - Incorrect Client Verification in Puppet Communications Protocol

Source: CONFIRM
Type: Vendor Advisory
https://puppet.com/security/cve/CVE-2016-2786

Source: GENTOO
Type: Third Party Advisory
GLSA-201606-02

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-2786

Vulnerable Configuration:Configuration 1:
  • cpe:/a:puppet:puppet_agent:1.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:puppet:puppet_agent:1.3.1:*:*:*:*:*:*:*
  • OR cpe:/a:puppet:puppet_agent:1.3.2:*:*:*:*:*:*:*
  • OR cpe:/a:puppet:puppet_agent:1.3.4:*:*:*:*:*:*:*
  • OR cpe:/a:puppet:puppet_agent:1.3.5:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:puppet:puppet_enterprise:2015.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:puppet:puppet_enterprise:2015.3.2:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:puppet:puppet_agent:1.3.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20162786000
    V
    		CVE-2016-2786 on Ubuntu 12.04 LTS (precise) - medium.
    2016-06-10
    oval:com.ubuntu.trusty:def:20162786000
    V
    		CVE-2016-2786 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-06-10
    oval:com.ubuntu.xenial:def:20162786000
    V
    		CVE-2016-2786 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-06-10
    oval:com.ubuntu.xenial:def:201627860000000
    V
    		CVE-2016-2786 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-06-10
    BACK
    puppet puppet agent 1.3.0
    puppet puppet agent 1.3.1
    puppet puppet agent 1.3.2
    puppet puppet agent 1.3.4
    puppet puppet agent 1.3.5
    puppet puppet enterprise 2015.3.0
    puppet puppet enterprise 2015.3.2
    puppet puppet agent 1.3.5