UBUNTU-CVE-2018-3740

    Dashboard / Vulnerabilities / UBUNTU-CVE-2018-3740

    UBUNTU-CVE-2018-3740

    Published: 30 Mar 2018Last Modified: 17 Jul 2025
    Upstream:
    CVE-2018-3740

    Summary:

    Details: A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element.

    References: https://ubuntu.com/security/CVE-2018-3740, https://github.com/rgrove/sanitize/issues/176, https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46e, https://www.cve.org/CVERecord?id=CVE-2018-3740

    Affected packages

    Package

    Name: ruby-sanitize

    Purl: pkg:deb/ubuntu/[email protected]+deb9u1build0.16.04.1?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1.0-2+deb9u1build0.16.04.1

    Affected versions

    2.1.0-1
    2.1.0-2

    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