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CVE Record

CVE-2017-12588: The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings...

The zmq3 input and output modules in rsyslog before 8.28.0 interpreted description fields as format strings, possibly allowing a format string attack with unspecified impact.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is an old rsyslog issue affecting the zmq3 input and output modules before version 8.28.0. Certain description fields were handled as format strings, which can be unsafe. The public record says impact is unspecified, so business urgency depends on whether those modules are present and enabled.

Executive priority

Do not treat this as an emergency based only on the provided sources. Prioritize confirming whether rsyslog zmq3 modules are used, then remediate affected legacy deployments during standard vulnerability maintenance.

Technical view

CVE-2017-12588 concerns rsyslog zmq3 input and output modules before 8.28.0. Description fields were interpreted as format strings, creating a possible format-string attack condition. The source bundle does not provide CVSS, CWE, confirmed exploit status, or a precise impact statement.

Likely exposure

Exposure is likely limited to systems running rsyslog before 8.28.0 with zmq3 input or output modules configured. The bundle does not identify broader affected products beyond rsyslog or downstream package status.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation. It only states a possible format-string attack with unspecified impact, so exploitability and attacker prerequisites are not clear from the provided evidence.

Researcher notes

Key evidence is sparse: no CVSS, no CWE, and impact is explicitly unspecified. The rsyslog PR and commit are the primary fix references. Avoid assuming code execution, data exposure, or active exploitation without additional vendor evidence.

Mitigation direction

  • Inventory rsyslog versions and identify systems older than 8.28.0.
  • Check whether zmq3 input or output modules are enabled.
  • Upgrade rsyslog to 8.28.0 or later where applicable.
  • Use distribution or vendor guidance for backported fixed packages.
  • Disable unused zmq3 module configurations where operationally safe.

Validation and detection

  • Confirm installed rsyslog package version on each host.
  • Review rsyslog configuration for zmq3 input or output modules.
  • Check vendor package changelogs for CVE-2017-12588 backports.
  • Verify upgraded systems still process expected logging flows.
Prepared
Confidence
medium
Sources
6

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

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CVE-2017-12588 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
5Source links

CVSS and timeline data

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

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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