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CVE-2018-20148 Detail

Description

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.


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-502 Deserialization of Untrusted Data cwe source acceptance level NIST  

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-20148
NVD Published Date:
12/14/2018
NVD Last Modified:
03/04/2019
Source:
MITRE