5.3
MEDIUM
CVE-2023-1894
Puppet Server Regular Expression Denial of Service (ReDoS) Vulnerability
Description

A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. An issue related to specifically crafted certificate names significantly slowed down server operations.

INFO

Published Date :

May 4, 2023, 11:15 p.m.

Last Modified :

Nov. 21, 2024, 7:40 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-1894 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Puppet puppet_enterprise
2 Puppet puppet_server
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-1894.

URL Resource
https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos Vendor Advisory
https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-1894 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-1894 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CWE Puppet CWE-1333
  • Initial Analysis by [email protected]

    May. 11, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Changed Reference Type https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos No Types Assigned https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos Vendor Advisory
    Added CWE NIST CWE-1333
    Added CPE Configuration OR *cpe:2.3:a:puppet:puppet_enterprise:2021.7.1:*:*:*:*:*:*:* *cpe:2.3:a:puppet:puppet_enterprise:2023.0:*:*:*:*:*:*:* *cpe:2.3:a:puppet:puppet_server:7.9.2:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-1894 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-1894 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.00%

score

0.24839

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability