Security readout for executives and security teams
Plain-English summary
This is a local privilege-adjacent service control flaw in Gentoo’s Flower package init script. A non-root account could modify a PID file that a root-run script later trusts, potentially causing root to kill the wrong process. The main business risk is local denial of service on affected Gentoo hosts, not remote compromise.
Executive priority
Treat this as a targeted legacy Linux service hardening issue. Prioritize affected Gentoo servers where Flower runs on production hosts or where local users have shell or service-account access. It is not supported by sources as an internet-scale emergency.
Technical view
CVE-2017-14483 affects Gentoo dev-python/flower before 0.9.1-r1. flower.initd sets PID file ownership to a non-root account. If a local user can leverage that account to change the PID file before the root script runs a PID-based kill action, arbitrary local processes may be terminated.
Likely exposure
Exposure appears limited to Gentoo systems using dev-python/flower before 0.9.1-r1 with the affected flower.initd service behavior. The source bundle does not support treating this as a generic Celery Flower vulnerability across all platforms or package sources.
Exploitation context
The record describes a local attack path requiring access to the non-root account or its PID file permissions. The source bundle does not cite active exploitation, remote exploitation, public exploit maturity, or CISA KEV listing.
Researcher notes
Evidence is sparse: the CVE description and Gentoo bug reference define the issue, but no CVSS, CWE, exploit evidence, or detailed remediation advisory is included in the bundle. Scope conclusions should stay tied to Gentoo dev-python/flower before 0.9.1-r1.
Mitigation direction
- Inventory Gentoo hosts running dev-python/flower and record installed versions.
- Upgrade dev-python/flower to 0.9.1-r1 or later where applicable.
- Restrict access to the non-root account that can modify the PID file.
- Review Gentoo bug 631020 for vendor-specific package guidance.
- Avoid privileged service actions trusting PID files writable by non-root users.
Validation and detection
- Confirm whether dev-python/flower is installed on Gentoo systems.
- Check that installed versions are not older than 0.9.1-r1.
- Inspect flower.initd PID file ownership and write permissions.
- Verify service stop behavior cannot target arbitrary PID file contents.
- Review local accounts with access to the Flower service PID file.
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
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CVE-2017-14483 mapping review
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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://bugs.gentoo.org/631020CVE 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.