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    CVE-2018-20148

    In WordPress before 4.9.9 and 5.x before 5.0.1, contributors could conduct PHP object injection attacks via crafted metadata in a wp.getMediaItem XMLRPC call. This is caused by mishandling of serialized data at phar:// URLs in the wp_get_attachment_thumb_file function in wp-includes/post.php.

    Published:Dec 14, 2018
    Last Modified:Nov 21, 2024
    EPS:Dec 14, 2018
    EPSS Score:0.46043
    CVSS Score:9.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    https://blog.secarma.co.uk/labs/near-phar-dangerous-unserialization-wherever-you-arehttps://blog.secarma.co.uk/labs/near-phar-dangerous-unserialization-wherever-you-arehttps://github.com/nth347/CVE-2018-20148_exploit

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

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    References

    http://www.securityfocus.com/bid/106220
    https://blog.secarma.co.uk/labs/near-phar-dangerous-unserialization-wherever-you-are
    https://codex.wordpress.org/Version_4.9.9
    https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html
    https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/
    https://wordpress.org/support/wordpress-version/version-5-0-1/
    https://wpvulndb.com/vulnerabilities/9171
    https://www.debian.org/security/2019/dsa-4401
    https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/
    https://www.zdnet.com/article/wordpress-vulnerability-affects-a-third-of-most-popular-websites-online/
    http://www.securityfocus.com/bid/106220
    https://blog.secarma.co.uk/labs/near-phar-dangerous-unserialization-wherever-you-are
    https://codex.wordpress.org/Version_4.9.9
    https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html
    https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/
    https://wordpress.org/support/wordpress-version/version-5-0-1/
    https://wpvulndb.com/vulnerabilities/9171
    https://www.debian.org/security/2019/dsa-4401
    https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/
    https://www.zdnet.com/article/wordpress-vulnerability-affects-a-third-of-most-popular-websites-online/

    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