Home/CVE/In agent/Core/SpawningKit/Spawner.h in Phusion Passenger 5.1.10 (fixed in Passenger Open Source 5.1.11 and Passenger Ent
CVE

CVE-2017-16355

In agent/Core/SpawningKit/Spawner.h in Phusion Passenger 5.1.10 (fixed in Passenger Open Source 5.1.11 and Passenger Ent

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.

MEDIUM · CVSS 4.7 EPSS 0.00136
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

3
phusion passenger>= 5.0.10 and < 5.1.10
phusion passenger>= 5.0.10 and < 5.1.11
debian linuxall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
RubyGems passenger MODERATE fixed in 5.1.11
▣

Scoring & Timeline

4.7
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Dec 2017 · 10:29 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

3
usnUSN-5261-1
suse-csafSUSE-SU-2018:0309-1
suse-csafSUSE-SU-2018:0262-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/Third Party Advisory
https://github.com/phusion/passenger/commit/4043718264095cde6623c2cbe8c644541036d7bfPatchThird Party Advisory
https://seclists.org/bugtraq/2019/Mar/34Issue TrackingMailing ListThird Party Advisory
https://www.debian.org/security/2019/dsa-4415Third Party Advisory
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