CVE-2015-7519

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    CVE-2015-7519

    Published: 8 Jan 2016Last Modified: 10 Apr 2026

    Summary:

    Details: agent/Core/Controller/SendRequest.cpp in Phusion Passenger before 4.0.60 and 5.0.x before 5.0.22, when used in Apache integration mode or in standalone mode without a filtering proxy, allows remote attackers to spoof headers passed to applications by using an _ (underscore) character instead of a - (dash) character in an HTTP header, as demonstrated by an X_User header.

    References: https://blog.phusion.nl/2015/12/07/cve-2015-7519/, https://github.com/phusion/passenger/commit/ddb8ecc4ebf260e4967f57f271d4f5761abeac3e, https://bugzilla.suse.com/show_bug.cgi?id=956281, http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00024.html, http://www.openwall.com/lists/oss-security/2015/12/07/1, http://www.openwall.com/lists/oss-security/2015/12/07/2, https://lists.debian.org/debian-lts-announce/2018/06/msg00007.html, https://puppet.com/security/cve/passenger-dec-2015-security-fixes

    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
    CVE-2015-7519 | CVE-DB