Puppet Agent 1.10.9/5.3.3 Module Installer access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability has been found in Puppet Agent 1.10.9/5.3.3 (Service Management Software) and classified as critical. This vulnerability affects an unknown code block of the component Module Installer. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In previous versions of Puppet Agent it was possible to install a module with world writable permissions. Puppet Agent 5.3.4 and 1.10.10 included a fix to this vulnerability.

The bug was discovered 02/05/2018. The weakness was disclosed 02/09/2018 (Website). The advisory is available at puppet.com. This vulnerability was named CVE-2017-10689 since 06/29/2017. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106892 (openSUSE Security Update : rubygem-puppet (openSUSE-2018-174)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197053 (Ubuntu Security Notification for Puppet Vulnerability (USN-3567-1)).

Upgrading to version 1.10.10 or 5.3.4 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106892). The entry VDB-113063 is pretty similar.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106892
Nessus Name: openSUSE Security Update : rubygem-puppet (openSUSE-2018-174)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 865354
OpenVAS Name: Ubuntu Update for puppet USN-3567-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Puppet Agent 1.10.10/5.3.4

Timelineinfo

06/29/2017 🔍
02/05/2018 +221 days 🔍
02/09/2018 +4 days 🔍
02/09/2018 +0 days 🔍
02/10/2018 +1 days 🔍
02/19/2018 +9 days 🔍
02/20/2018 +1 days 🔍
02/06/2023 +1812 days 🔍

Sourcesinfo

Advisory: RHSA-2018:2927
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-10689 (🔍)
See also: 🔍

Entryinfo

Created: 02/10/2018 09:06 AM
Updated: 02/06/2023 09:39 AM
Changes: 02/10/2018 09:06 AM (74), 01/03/2020 01:22 PM (3), 02/06/2023 09:39 AM (4)
Complete: 🔍
Cache ID: 18:B9D:40

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