CVE-2018-12026

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    CVE-2018-12026

    Published: 17 Jun 2018Last Modified: 8 Jul 2026

    Summary:

    Details: 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.

    References: https://blog.phusion.nl/passenger-5-3-2, https://security.gentoo.org/glsa/201807-02

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- a53aa1fb31489cd27c5c34f059ed2c90ddca012b
    Fixed -5e4d60575fadfd68913bd229990cb9f3feb393a9

    Affected versions

    release-5.3.1
    release-5.3.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High