UBUNTU-CVE-2017-16355

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    UBUNTU-CVE-2017-16355

    Published: 14 Dec 2017Last Modified: 4 Feb 2026
    Upstream:
    CVE-2017-16355
    Aliases:
    USN-5261-1

    Summary:

    Details: In agent/Core/SpawningKit/Spawner.h in Phusion Passenger 5.1.10 (fixed in Passenger Open Source 5.1.11 and Passenger Enterprise 5.1.10), if Passenger is running as root, it is possible to list the contents of arbitrary files on a system by symlinking a file named REVISION from the application root folder to a file of choice and querying passenger-status --show=xml.

    References: https://ubuntu.com/security/CVE-2017-16355, https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/, http://www.openwall.com/lists/oss-security/2017/11/21/2, https://www.cve.org/CVERecord?id=CVE-2017-16355, https://ubuntu.com/security/notices/USN-5261-1

    Affected packages

    Package

    Name: passenger

    Purl: pkg:deb/ubuntu/[email protected]~esm1?arch=source&distro=esm-apps/xenial

    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