CVE-2018-6198

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    CVE-2018-6198

    Published: 25 Jan 2018Last Modified: 8 Jul 2026

    Summary:

    Details: w3m through 0.5.3 does not properly handle temporary files when the ~/.w3m directory is unwritable, which allows a local attacker to craft a symlink attack to overwrite arbitrary files.

    References: http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html, http://www.securityfocus.com/bid/102855, https://usn.ubuntu.com/3555-1/, https://usn.ubuntu.com/3555-2/, https://bugs.debian.org/888097, https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753, https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v0.5.3+git20170102
    v0.5.3+git20161120
    v0.5.3+debian-19
    v0.5.3+git20161031
    v0.5.3+git20161009
    v0.5.3+git20160718
    v0.5.3+git20160511
    v0.5.3+git20160228
    v0.5.3+git20151119
    v0.5.3+git20151010
    v0.5.3+git20150811
    v0.5.3+git20150720
    v0.5.3+git20150623
    v0.5.3+git20150509
    v0.5.3+git20150203

    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