CVE-2018-12027
mediumpriority · track · 35EPSS 0.011 · 65 %ileEUUSEPSS · scored 2026-10-27
An Insecure Permissions vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 causes information disclosure in the following situation: given a Passenger-spawned application process that reports that it listens on a certain Unix domain socket, if any of the parent directories of said socket are writable by a normal user that is not the application's user, then that non-application user can swap that directory with something else, resulting in traffic being redirected to a non-application user's process through an alternative Unix domain socket.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-whfx-877c-5p28Insecure Permissions in Phusion Passenger2022-05-13ghsa · osvUS
An Insecure Permissions vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 causes information disclosure in the following situation: given a Passenger-spawned application process that reports that it listens on a certain Unix domain socket, if any of the parent directories of said socket are writable by a normal user that is not the application's user, then that non-application user can swap that directory with something else, resulting in traffic being redirected to a non-application user's process through an alternative Unix domain socket.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://blog.phusion.nl/2018/06/12/passenger-5-3-2-various-security-fixes/Patchcnnvd
- https://blog.phusion.nl/passenger-5-3-2cnnvd
- https://security.gentoo.org/glsa/201807-02cnnvd
- https://blog.phusion.nl/passenger-5-3-2enisa_euvd
- https://security.gentoo.org/glsa/201807-02enisa_euvd
- https://blog.phusion.nl/passenger-5-3-2MitigationVendor Advisorynvd
- https://security.gentoo.org/glsa/201807-02Third Party Advisorynvd
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