Phusion Passenger before 4.0.37 allows local users to write to certain files and…
Priority LOW 11Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
Phusion Passenger before 4.0.37 allows local users to write to certain files and directories via a symlink attack on (1) control_process.pid or a (2) generation-* file.
Why it matters now
EPSS 0.00371 31st percentileScored 2026-11-07
Fix Partial passenger (RubyGems): 4.0.38Red Hat: 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | passenger (RubyGems) | before 4.0.38 | 4.0.38 | Patch available | GHSA-c7j7-p5jq-26ff |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- passenger (RubyGems) Vendor— Affected before 4.0.38 Fixed in 4.0.38 Patch available GHSA-c7j7-p5jq-26ff
Remediation
- Fix · GHSA-c7j7-p5jq-26ff passenger (RubyGems) Fixed in 4.0.38 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenStack Platform 4 | Affected | No fix planned: Will not fix |
Not affected: 1 product
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2014-1831
- 2026-10-03 Alias added: GHSA-c7j7-p5jq-26ff
References
Advisory 3
Other 7
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=736958
- https://github.com/phusion/passenger/commit/34b1087870c2
- [oss-security] 20140130 Re: CVE request: temporary file issue in Passenger rubygem
- https://bugzilla.redhat.com/show_bug.cgi?id=1058992
- [oss-security] 20140128 CVE request: temporary file issue in Passenger rubygem
- https://github.com/phusion/passenger
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2014-1831.yml
More Phusion Passenger vulnerabilities
- TI-2018-08619 During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion… CVSS 3.0CRITICAL 9.8
- TI-2025-19710 Use of uninitialized resource in Phusion Passenger CVSS 3.1HIGH 7.5
- TI-2018-08620 An Insecure Permissions vulnerability in SpawningKit in Phusion Passenger 5.3.x before… CVSS 3.0HIGH 8.8
- TI-2012-05097 RubyGems passenger 4.0.0 betas 1 and 2 allows remote attackers to delete arbitrary files during the startup process. CVSS 3.1HIGH 7.5
- TI-2018-08621 An Incorrect Access Control vulnerability in SpawningKit in Phusion Passenger 5.3.x… CVSS 3.0HIGH 7.8
- TI-2016-08407 In Phusion Passenger before 5.1.0, a known /tmp filename was used during… CVSS 3.0HIGH 7.8
Sources
- CVE-2014-1831 · CVE Program
- CVE-2014-1831 · NVD
- FIRST EPSS
- GHSA-c7j7-p5jq-26ff · GitHub Advisory Database · CC BY 4.0
- CVE-2014-1831 · Red Hat security data · CC BY 4.0
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