Puppetlabs Puppet Enterprise Users up to 1.2.2 input validation

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Puppetlabs Puppet Enterprise Users up to 1.2.2. This affects an unknown function. The manipulation results in input validation. This vulnerability is reported as CVE-2011-3872. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Puppetlabs Puppet Enterprise Users up to 1.2.2 (Service Management Software). Affected is an unknown code block. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on integrity. CVE summarizes:

Puppet 2.6.x before 2.6.12 and 2.7.x before 2.7.6, and Puppet Enterprise (PE) Users 1.0, 1.1, and 1.2 before 1.2.4, when signing an agent certificate, adds the Puppet master s certdnsnames values to the X.509 Subject Alternative Name field of the certificate, which allows remote attackers to spoof a Puppet master via a man-in-the-middle (MITM) attack against an agent that uses an alternate DNS name for the master, aka "AltNames Vulnerability."

The weakness was disclosed 10/27/2011 (Website). The advisory is shared for download at groups.google.com. This vulnerability is traded as CVE-2011-3872 since 09/29/2011. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 56630 (Ubuntu 10.04 LTS / 10.10 / 11.04 / 11.10 : puppet vulnerability (USN-1238-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195237 (Ubuntu Security Notification for Puppet Regression (USN-1238-2)).

Upgrading to version 1.2.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (70970), Tenable (56630), SecurityFocus (BID 50356†), Secunia (SA46550†) and Vulnerability Center (SBV-33833†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56630
Nessus Name: Ubuntu 10.04 LTS / 10.10 / 11.04 / 11.10 : puppet vulnerability (USN-1238-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 70566
OpenVAS Name: Debian Security Advisory DSA 2352-1 (puppet)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Puppet Enterprise Users 1.2.3

Timelineinfo

09/29/2011 🔍
10/25/2011 +26 days 🔍
10/25/2011 +0 days 🔍
10/25/2011 +0 days 🔍
10/27/2011 +2 days 🔍
10/27/2011 +0 days 🔍
10/27/2011 +0 days 🔍
11/14/2011 +18 days 🔍
03/23/2015 +1225 days 🔍
01/05/2025 +3576 days 🔍

Sourcesinfo

Vendor: puppet.com

Advisory: USN-1238-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-3872 (🔍)
GCVE (CVE): GCVE-0-2011-3872
GCVE (VulDB): GCVE-100-59232

OVAL: 🔍

X-Force: 70970
SecurityFocus: 50356 - Puppet 'certdnsnames' Certificate Validation Security Bypass Vulnerability
Secunia: 46550 - Puppet "certdnsnames" Puppet Master Impersonation Vulnerability, Less Critical
Vulnerability Center: 33833 - Puppet and Puppet Enterprise X.509 Certificate Validation Security Bypass Vulnerability, Low

Entryinfo

Created: 03/23/2015 16:50
Updated: 01/05/2025 23:16
Changes: 03/23/2015 16:50 (62), 04/05/2017 09:04 (13), 11/24/2021 20:14 (3), 11/24/2021 20:22 (1), 01/05/2025 23:16 (18)
Complete: 🔍
Cache ID: 216::103

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