VDB-119568 · CVE-2018-6516 · GCVE-0-2018-6516

Puppet PE Client Tools up to 16.4.5/17.3.5/18.1.1 on Windows Configuration File access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Puppet PE Client Tools up to 16.4.5/17.3.5/18.1.1 on Windows. This impacts an unknown function of the component Configuration File. The manipulation results in access control. This vulnerability was named CVE-2018-6516. The attack needs to be approached locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Puppet PE Client Tools up to 16.4.5/17.3.5/18.1.1 on Windows (Service Management Software). Affected is an unknown functionality of the component Configuration File. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 06/07/2018. The weakness was presented 06/14/2018 (Website). The advisory is shared for download at puppet.com. This vulnerability is traded as CVE-2018-6516 since 02/01/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 16.4.6, 17.3.6 or 18.1.2 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Service Management Software

Vendor

Puppet

Name

PE Client Tools

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PE Client Tools 16.4.6/17.3.6/18.1.2

Timelineinfo

02/01/2018 🔍
06/07/2018 +126 days 🔍
06/14/2018 +6 days 🔍
06/14/2018 +0 days 🔍
06/15/2018 +1 days 🔍
02/19/2020 +614 days 🔍

Sourcesinfo

Advisory: puppet.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6516 (🔍)
GCVE (CVE): GCVE-0-2018-6516
GCVE (VulDB): GCVE-100-119568

Entryinfo

Created: 06/15/2018 07:37
Updated: 02/19/2020 15:46
Changes: 06/15/2018 07:37 (60), 02/19/2020 15:46 (2)
Complete: 🔍
Cache ID: 216::103