CVE-2017-18266

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    CVE-2017-18266

    Published: 10 May 2018Last Modified: 8 Jul 2026

    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://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=5647afb35e4bcba2060148e1a2a47bc43cc240f2, https://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLog, https://lists.debian.org/debian-lts-announce/2018/05/msg00014.html, https://usn.ubuntu.com/3650-1/, https://www.debian.org/security/2018/dsa-4211, https://bugs.freedesktop.org/show_bug.cgi?id=103807, https://cgit.freedesktop.org/xdg/xdg-utils/commit/?id=ce802d71c3466d1dbb24f2fe9b6db82a1f899bcb

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -159fc37075db2decf446f453fe1a796da6921aad

    Affected versions

    v1.1.2
    v1.1.1
    v1.1.0
    v1.1.0-rc3
    v1.1.0-rc2
    v1.1.0-rc1

    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
    CVE-2017-18266 | CVE-DB