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TI-2017-12061 Aliases CVE-2017-16355GHSA-cv3f-px9r-54hm

In agent/Core/SpawningKit/Spawner.h in Phusion Passenger 5.1.10 (fixed in Passenger Open…

Priority LOW 22CWE-200Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-200.

Summary

In agent/Core/SpawningKit/Spawner.h in Phusion Passenger 5.1.10 (fixed in Passenger Open Source 5.1.11 and Passenger Enterprise 5.1.10), if Passenger is running as root, it is possible to list the contents of arbitrary files on a system by symlinking a file named REVISION from the application root folder to a file of choice and querying passenger-status --show=xml.

Why it matters now

EPSS 0.00361 30th percentileScored 2026-11-07
Fix Partial passenger (RubyGems): 5.1.11Red Hat: 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—passenger (RubyGems)before 5.1.115.1.11Patch availableGHSA-cv3f-px9r-54hm
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • passenger (RubyGems) Vendor— Affected before 5.1.11 Fixed in 5.1.11 Patch available GHSA-cv3f-px9r-54hm

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:phusion:passenger:*:*:*:*:enterprise:*:*:*5.0.10 to before 5.1.10VulnerablePhusion
cpe:2.3:a:phusion:passenger:*:*:*:*:open_source:*:*:*5.0.10 to before 5.1.11VulnerablePhusion
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:phusion:passenger:*:*:*:*:enterprise:*:*:* Versions 5.0.10 to before 5.1.10 Vulnerable ·Phusion
  • cpe:2.3:a:phusion:passenger:*:*:*:*:open_source:*:*:* Versions 5.0.10 to before 5.1.11 Vulnerable ·Phusion
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

  • Fix · GHSA-cv3f-px9r-54hm passenger (RubyGems) Fixed in 5.1.11 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Ceph Storage 1.3AffectedNo fix planned: Will not fix
Red Hat Software CollectionsAffectedNo fix planned: Will not fix
Not affected: 1 product
  • Red Hat Satellite 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-16355
  2. 2026-10-03 Alias added: GHSA-cv3f-px9r-54hm

References

Patch 1

Advisory 4

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences