CVE-2018-20148

CVSS V2 High 7.5 CVSS V3 Critical 9.8
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.
Overview
  • CVE ID
  • CVE-2018-20148
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-12-14T20:29:00
  • Last Modified Date
  • 2019-03-04T14:19:39
Weakness Enumerations
CWE URL
CWE-502 http://cwe.mitre.org/data/definitions/502.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 1 OR 4.9.9
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* 1 OR 5.0 5.0.1
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/ Release Notes Vendor Advisory
https://www.zdnet.com/article/wordpress-vulnerability-affects-a-third-of-most-popular-websites-online/ Press/Media Coverage 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://wordpress.org/support/wordpress-version/version-5-0-1/ Release Notes Vendor Advisory
https://codex.wordpress.org/Version_4.9.9 Product Vendor Advisory
https://blog.secarma.co.uk/labs/near-phar-dangerous-unserialization-wherever-you-are Exploit Third Party Advisory
https://wpvulndb.com/vulnerabilities/9171 Vendor Advisory
http://www.securityfocus.com/bid/106220 Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html Mailing List Third Party Advisory
https://www.debian.org/security/2019/dsa-4401 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-20148
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20148
History
Created Old Value New Value Data Type Notes
2022-05-10 07:57:11 Added to TrackCVE
2022-12-03 15:23:10 2018-12-14T20:29Z 2018-12-14T20:29:00 CVE Published Date updated
2022-12-03 15:23:10 2019-03-04T14:19:39 CVE Modified Date updated
2022-12-03 15:23:10 Analyzed Vulnerability Status updated