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CVE Record

CVE-2017-2296: In Puppet Enterprise 2017.1.x and 2017.2.1, using specially formatted strings with certain formatting chara...

In Puppet Enterprise 2017.1.x and 2017.2.1, using specially formatted strings with certain formatting characters as Classifier node group names or RBAC role display names causes errors, effectively causing a DOS to the service. This was resolved in Puppet Enterprise 2017.2.2.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2017-2296 is a denial-of-service issue in Puppet Enterprise. Specially formatted Classifier node group names or RBAC role display names can cause service errors. The issue affects Puppet Enterprise 2017.1.x and 2017.2.1 and is reported fixed in 2017.2.2.

Executive priority

Treat this as a targeted availability risk for legacy Puppet Enterprise environments. Prioritize upgrade validation if Puppet manages production infrastructure, because console or service disruption can affect operational control.

Technical view

The flaw is input-handling related: certain formatting characters in specific Puppet Enterprise Console-managed names can trigger errors and effectively deny service. The provided sources do not include CVSS, CWE, privilege requirements, or detailed component behavior. Puppet states the issue was resolved in Puppet Enterprise 2017.2.2.

Likely exposure

Exposure is limited to organizations still running Puppet Enterprise 2017.1.x or 2017.2.1. Systems already upgraded to 2017.2.2 or later are not identified as affected in the provided sources.

Exploitation context

The source bundle does not report active exploitation, and the CVE is not listed as KEV. Sources describe a malformed-name trigger but do not confirm attacker prerequisites, exploit availability, or whether remote unauthenticated exploitation is possible.

Researcher notes

Evidence is sparse. The public data names affected versions, trigger fields, denial-of-service impact, and fixed version, but omits CVSS, CWE, affected subcomponents, authentication requirements, and exploit observations. Avoid assuming broader Puppet product exposure.

Mitigation direction

  • Upgrade Puppet Enterprise 2017.1.x or 2017.2.1 to 2017.2.2 or later.
  • Check Puppet’s advisory for any version-specific operational guidance.
  • Restrict administrative access to Classifier node group and RBAC role management.
  • Review change controls for role display names and node group names.

Validation and detection

  • Inventory Puppet Enterprise versions across all management nodes.
  • Confirm affected deployments are not on 2017.1.x or 2017.2.1.
  • Review recent Classifier node group and RBAC role display name changes.
  • Check service logs for unexplained errors around console name changes.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2017-2296 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
PuppetPuppet Enterprise2017.1.x, 2017.2.1. Fixed in 2017.2.2Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.