USN-5261-1

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    USN-5261-1

    Published: 1 Feb 2022Last Modified: 25 Jun 2026

    Summary: passenger vulnerabilities

    Details: It was discovered that Phusion Passenger incorrectly handled a file path in the application root folder. An attacker could possibly use this issue to read arbitrary files. (CVE-2017-16355) It was discovered that Phusion Passenger had a race condition in the nginx module that could be used to perform a symlink attack. An attacker could possibly use this issue to escalate privileges. (CVE-2018-12029)

    References: https://ubuntu.com/security/notices/USN-5261-1, https://ubuntu.com/security/CVE-2017-16355, https://ubuntu.com/security/CVE-2018-12029

    Affected packages

    Package

    Name: passenger

    Purl: pkg:deb/ubuntu/passenger?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.0.27-2ubuntu0.1~esm1

    Affected versions

    5.0.7-3
    5.0.22-1
    5.0.22-1build1
    5.0.22-1build2
    5.0.27-2

    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