UBUNTU-CVE-2017-18196

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    UBUNTU-CVE-2017-18196

    Published: 23 Feb 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2017-18196
    Aliases:
    USN-4819-1

    Summary:

    Details: Leptonica 1.74.4 constructs unintended pathnames (containing duplicated path components) when operating on files in /tmp subdirectories, which might allow local users to bypass intended file restrictions by leveraging access to a directory located deeper within the /tmp directory tree, as demonstrated by /tmp/ANY/PATH/ANY/PATH/input.tif.

    References: https://ubuntu.com/security/CVE-2017-18196, https://bugs.debian.org/885704, https://www.cve.org/CVERecord?id=CVE-2017-18196, https://ubuntu.com/security/notices/USN-4819-1

    Affected packages

    Package

    Name: leptonlib

    Purl: pkg:deb/ubuntu/[email protected]~esm1?arch=source&distro=esm-apps/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.73-1ubuntu0.1~esm1

    Affected versions

    1.72-3

    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