CVE-2018-12026

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductPhusion Passenger
PublishedJun 17, 2018
First seenJun 17, 2018

How to fix

Update
  • phusion passenger5.3.2 or later

Affected products

ProductAffected versionsFixed in
phusion passenger5.3.0 ≤ v < 5.3.25.3.2

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