Vulnerability Name:

CVE-2018-6516 (CCN-144870)

Assigned:2018-06-07
Published:2018-06-07
Updated:2019-10-03
Summary:On Windows only, with a specifically crafted configuration file an attacker could get Puppet PE client tools (aka pe-client-tools) 16.4.x prior to 16.4.6, 17.3.x prior to 17.3.6, and 18.1.x prior to 18.1.2 to load arbitrary code with privilege escalation.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-6516

Source: XF
Type: UNKNOWN
puppet-cve20186516-code-exec(144870)

Source: CCN
Type: Puppet Web site
CVE-2018-6516 - PE client tools loading openssl.cnf from an insecure location

Source: CONFIRM
Type: Vendor Advisory
https://puppet.com/security/cve/CVE-2018-6516

Vulnerable Configuration:Configuration 1:
  • cpe:/a:puppet:puppet_enterprise_client_tools:*:*:*:*:*:*:*:* (Version >= 16.4.0 and < 16.4.6)
  • OR cpe:/a:puppet:puppet_enterprise_client_tools:*:*:*:*:*:*:*:* (Version >= 17.3.0 and < 17.3.6)
  • OR cpe:/a:puppet:puppet_enterprise_client_tools:*:*:*:*:*:*:*:* (Version >= 18.1.0 and < 18.1.2)
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:201865160000000
    V
    		CVE-2018-6516 on Ubuntu 16.04 LTS (xenial) - negligible.
    2018-06-14
    oval:com.ubuntu.artful:def:20186516000
    V
    		CVE-2018-6516 on Ubuntu 17.10 (artful) - negligible.
    2018-06-14
    oval:com.ubuntu.xenial:def:20186516000
    V
    		CVE-2018-6516 on Ubuntu 16.04 LTS (xenial) - negligible.
    2018-06-14
    oval:com.ubuntu.bionic:def:20186516000
    V
    		CVE-2018-6516 on Ubuntu 18.04 LTS (bionic) - negligible.
    2018-06-14
    oval:com.ubuntu.cosmic:def:201865160000000
    V
    		CVE-2018-6516 on Ubuntu 18.10 (cosmic) - negligible.
    2018-06-14
    oval:com.ubuntu.cosmic:def:20186516000
    V
    		CVE-2018-6516 on Ubuntu 18.10 (cosmic) - negligible.
    2018-06-14
    oval:com.ubuntu.bionic:def:201865160000000
    V
    		CVE-2018-6516 on Ubuntu 18.04 LTS (bionic) - negligible.
    2018-06-14
    oval:com.ubuntu.trusty:def:20186516000
    V
    		CVE-2018-6516 on Ubuntu 14.04 LTS (trusty) - negligible.
    2018-06-14
    BACK
    puppet puppet enterprise client tools *
    puppet puppet enterprise client tools *
    puppet puppet enterprise client tools *
    microsoft windows -