UBUNTU-CVE-2017-18266

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    UBUNTU-CVE-2017-18266

    Published: 10 May 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2017-18266
    Aliases:
    USN-3650-1

    Summary:

    Details: The open_envvar function in xdg-open in xdg-utils before 1.1.3 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL, as demonstrated by %s in this environment variable.

    References: https://ubuntu.com/security/CVE-2017-18266, https://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLog, https://ubuntu.com/security/notices/USN-3650-1, https://www.cve.org/CVERecord?id=CVE-2017-18266

    Affected packages

    Package

    Name: xdg-utils

    Purl: pkg:deb/ubuntu/[email protected]~rc1-2ubuntu7.2?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.1.0~rc1-2ubuntu7.2

    Affected versions

    1.1.0~rc1-2ubuntu7
    1.1.0~rc1-2ubuntu7.1

    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