Security readout for executives and security teams
Plain-English summary
Puppet's mcollective-sshkey-security plugin before 0.5.1 could let a compromised server cause a client to write a file in an unintended location. For executives, this is an integrity risk in environments still using this older MCollective plugin, not evidence of broad internet exploitation.
Executive priority
Treat this as a targeted legacy-platform risk. Prioritize remediation if MCollective is still active, especially where server compromise could affect many managed clients. It is less urgent for organizations without this plugin or already upgraded.
Technical view
The plugin used a server-specified identifier when building a client-side file path. A malicious or compromised server could influence where the client writes a file, with the final filename ending in "_pub.pem". The source bundle identifies versions before 0.5.1 as affected.
Likely exposure
Exposure is likely limited to Puppet MCollective deployments that installed mcollective-sshkey-security versions before 0.5.1. Organizations not using this plugin, or already on 0.5.1 or later, are not indicated as affected by the provided sources.
Exploitation context
The provided sources do not show CISA KEV listing, active exploitation, public exploit use, or CVSS scoring. The attack condition described requires a compromised server influencing client file writes, so risk depends heavily on trust boundaries and MCollective deployment design.
Researcher notes
The core issue is path construction using a server-controlled identifier. The public bundle gives affected version bounds and impact but no CVSS, CWE, exploit status, or detailed operational mitigations. Avoid expanding scope beyond mcollective-sshkey-security before 0.5.1.
Mitigation direction
- Upgrade mcollective-sshkey-security to version 0.5.1 or later.
- Review Puppet's CVE guidance for any environment-specific instructions.
- Retire unsupported MCollective components where they remain in production.
- Restrict trust relationships with servers that can influence client-side key handling.
- Audit change records for unexpected plugin downgrades or legacy deployments.
Validation and detection
- Inventory installed mcollective-sshkey-security versions across Puppet-managed systems.
- Confirm no client uses a version earlier than 0.5.1.
- Review clients for unexpected files ending in "_pub.pem" in sensitive paths.
- Check whether any MCollective server was compromised around relevant exposure windows.
- Verify upgrade status against Puppet's advisory and the 0.5.1 changelog.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-2298 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/puppetlabs/mcollective-sshkey-security/blob/0.5.1/CHANGELOG.mdCVE reference · x_refsource_CONFIRM
- https://puppet.com/security/cve/cve-2017-2298CVE reference · x_refsource_CONFIRM
- https://github.com/puppetlabs/mcollective-sshkey-security/commit/3388a3109f4fb1c69fa8505e991bf59ca20d19a2CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.