Vulnerability Details : CVE-2023-1894
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.
Vulnerability category: Denial of service
Products affected by CVE-2023-1894
- 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:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-1894
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-1894
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2023-1894
-
The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.Assigned by:
- nvd@nist.gov (Primary)
- security@puppet.com (Secondary)
References for CVE-2023-1894
-
https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos
CVE-2023-1894 - Puppet Server ReDoS | Puppet by PerforceVendor Advisory
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