UBUNTU-CVE-2013-5704

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    UBUNTU-CVE-2013-5704

    Published: 15 Apr 2014Last Modified: 22 Apr 2026
    Upstream:
    CVE-2013-5704
    Aliases:
    USN-2523-1

    Summary:

    Details: The mod_headers module in the Apache HTTP Server 2.2.22 allows remote attackers to bypass "RequestHeader unset" directives by placing a header in the trailer portion of data sent with chunked transfer coding. NOTE: the vendor states "this is not a security issue in httpd as such."

    References: https://ubuntu.com/security/CVE-2013-5704, http://martin.swende.se/blog/HTTPChunked.html, http://marc.info/?l=apache-httpd-dev&m=139636309822854&w=2, http://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x/CHANGES, https://ubuntu.com/security/notices/USN-2523-1, https://www.cve.org/CVERecord?id=CVE-2013-5704

    Affected packages

    Package

    Name: apache2

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4.7-1ubuntu4.4

    Affected versions

    2.4.6-2ubuntu2
    2.4.6-2ubuntu3
    2.4.6-2ubuntu4
    2.4.7-1ubuntu1
    2.4.7-1ubuntu2
    2.4.7-1ubuntu3
    2.4.7-1ubuntu4
    2.4.7-1ubuntu4.1

    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