CVE-2013-4136

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    CVE-2013-4136

    Published: 30 Sept 2013Last Modified: 16 Apr 2026

    Summary:

    Details: ext/common/ServerInstanceDir.h in Phusion Passenger gem before 4.0.6 for Ruby allows local users to gain privileges or possibly change the ownership of arbitrary directories via a symlink attack on a directory with a predictable name in /tmp/.

    References: http://rhn.redhat.com/errata/RHSA-2013-1136.html, https://github.com/phusion/passenger/commit/5483b3292cc2af1c83033eaaadec20dba4dcfd9b, http://www.openwall.com/lists/oss-security/2013/07/16/6, https://code.google.com/p/phusion-passenger/issues/detail?id=910, https://github.com/phusion/passenger/blob/release-4.0.6/NEWS

    Affected packages

    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