UBUNTU-CVE-2016-5388

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    UBUNTU-CVE-2016-5388

    Published: 18 Jul 2016Last Modified: 4 Jun 2026
    Upstream:
    CVE-2016-5388

    Summary:

    Details: Apache Tomcat 7.x through 7.0.70 and 8.x through 8.5.4, when the CGI Servlet is enabled, follows RFC 3875 section 4.1.18 and therefore does not protect applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, aka an "httpoxy" issue. NOTE: the vendor states "A mitigation is planned for future releases of Tomcat, tracked as CVE-2016-5388"; in other words, this is not a CVE ID for a vulnerability.

    References: https://ubuntu.com/security/CVE-2016-5388, https://httpoxy.org/, https://www.apache.org/security/asf-httpoxy-response.txt, https://ubuntu.com/security/notices/USN-3177-1, https://ubuntu.com/security/notices/USN-4791-1, https://www.cve.org/CVERecord?id=CVE-2016-5388

    Affected packages

    Package

    Name: tomcat7

    Purl: pkg:deb/ubuntu/tomcat7?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -7.0.52-1ubuntu0.8

    Affected versions

    7.0.42-1
    7.0.47-1
    7.0.50-1
    7.0.52-1
    7.0.52-1ubuntu0.1
    7.0.52-1ubuntu0.3
    7.0.52-1ubuntu0.6
    7.0.52-1ubuntu0.7

    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