High severity7.8NVD Advisory· Published Jun 17, 2018· Updated Jun 17, 2026
CVE-2018-12028
CVE-2018-12028
Description
An Incorrect Access Control vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows a Passenger-managed malicious application, upon spawning a child process, to report an arbitrary different PID back to Passenger's process manager. If the malicious application then generates an error, it would cause Passenger's process manager to kill said reported arbitrary PID.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
passengerRubyGems | >= 5.3.0, < 5.3.2 | 5.3.2 |
Affected products
1Patches
Vulnerability mechanics
References
6- blog.phusion.nl/passenger-5-3-2nvdMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-jjhj-8gx7-x836ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2018-12028ghsaADVISORY
- security.gentoo.org/glsa/201807-02nvdThird Party AdvisoryWEB
- github.com/phusion/passenger/commit/1e7c82deb4901c438f583737d8c9f2aac264737cghsaWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2018-12028.ymlghsaWEB
News mentions
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