UBUNTU-CVE-2018-5166

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    UBUNTU-CVE-2018-5166

    Published: 11 May 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-5166
    Aliases:
    USN-3645-1

    Summary:

    Details: WebExtensions can use request redirection and a "filterReponseData" filter to bypass host permission settings to redirect network traffic and access content from a host for which they do not have explicit user permission. This vulnerability affects Firefox < 60.

    References: https://ubuntu.com/security/CVE-2018-5166, https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5166, https://ubuntu.com/security/notices/USN-3645-1, https://www.cve.org/CVERecord?id=CVE-2018-5166

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/[email protected]+build2-0ubuntu0.14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -60.0+build2-0ubuntu0.14.04.1

    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