CVE-2018-12026
highpriority · track · 40EPSS 0.019 · 80 %ileEUUSEPSS · scored 2026-10-27
During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
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-7cv3-gvmc-8mq5Phusion Passenger SpawningKit Contains Arbitrary Read/Write Vulnerability2022-05-14ghsa · osvUS
During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation.
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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