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No exploitation reportedFix available

CVE-2023-1894

No exploitation reported by the sources we read.

  • Published2023-05-04
  • WeaknessCWE-1333

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2023-05-0423:15CVE publishedNVD

Versions per branch

NVD
Puppet puppet enterprise
BranchAffectedFixed in
2021.7= 2021.7.1no fix published
2023.0= 2023.0no fix published
Puppet puppet server
BranchAffectedFixed in
7.9= 7.9.2no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA2 products

As puppet, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Puppet Enterpriseother versions: not affected
    Affected
    • ≥ 2021.7.1, < 2021.7.3fixed in 2021.7.3semver
    • ≥ 2023.0.0, < 2023.1.0fixed in 2023.1.0semver
  • Puppet Serverother versions: not affected
    Affected
    • ≥ 7.9.2, < 7.11.0fixed in 7.11.0semver
    • ≥ 7.9.2, < 8.0.0fixed in 8.0.0semver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-05-04

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • foremanRed Hat:satellite:6.14::el8all versions · fixed in 0:3.7.0.9-1.el8satand 13 other packages
  • foremanRed Hat:satellite_utils:6.14::el8all versions · fixed in 0:3.7.0.9-1.el8satand 1 other package
  • foremanRed Hat:satellite_capsule:6.14::el8all versions · fixed in 0:3.7.0.9-1.el8satand 1 other package
  • puppetUbuntu:Pro:16.04:LTSall versions · no fixed version listed
  • puppetUbuntu:22.04:LTSall versions · no fixed version listed
  • puppetUbuntu:20.04:LTSall versions · no fixed version listed
  • puppetUbuntu:18.04:LTSall versions · no fixed version listed
  • puppetUbuntu:14.04:LTSall versions · no fixed version listed

29 more package ranges on OSV.dev

Vendor advisories

  • RHSA-2023:6818 Red Hat Product Security2 products fixed

    Red Hat Security Advisory: Satellite 6.14 security and bug fix update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2023:6818 · 4 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For detailed instructions how to apply this update, refer to: https://access.redhat.com/documentation/en-us/red_hat_satellite/6.14/html/upgrading_red_hat_satellite_to_6.14/index

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Published
2023-05-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-x5cv-mqxq-8q96

Frequently asked questions

What is 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.

Is CVE-2023-1894 actively exploited?

Active exploitation of CVE-2023-1894 has not been confirmed. Its EPSS score was 0.4% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-1894?

CVE-2023-1894 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

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Sources for this record