UBUNTU-CVE-2014-8639

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    UBUNTU-CVE-2014-8639

    Published: 14 Jan 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2014-8639

    Summary:

    Details: Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 do not properly interpret Set-Cookie headers within responses that have a 407 (aka Proxy Authentication Required) status code, which allows remote HTTP proxy servers to conduct session fixation attacks by providing a cookie name that corresponds to the session cookie of the origin server.

    References: https://ubuntu.com/security/CVE-2014-8639, https://www.mozilla.org/en-GB/security/advisories/mfsa2015-04/, https://ubuntu.com/security/notices/USN-2458-1, https://ubuntu.com/security/notices/USN-2460-1, https://www.cve.org/CVERecord?id=CVE-2014-8639

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/[email protected]+build3-0ubuntu0.14.04.2?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -35.0+build3-0ubuntu0.14.04.2

    Affected versions

    24.0+build1-0ubuntu1

    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