National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-6819 Detail

Current Description

In WordPress before 4.7.3, there is cross-site request forgery (CSRF) in Press This (wp-admin/includes/class-wp-press-this.php), leading to excessive use of server resources. The CSRF can trigger an outbound HTTP request for a large file that is then parsed by Press This.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3.0 legend)
Impact Score: 3.6
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://openwall.com/lists/oss-security/2017/03/06/7 Exploit Mailing List Third Party Advisory
http://www.securityfocus.com/bid/96602 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037959 Third Party Advisory VDB Entry
https://codex.wordpress.org/Version_4.7.3 Patch Vendor Advisory
https://github.com/WordPress/WordPress/commit/263831a72d08556bc2f3a328673d95301a152829 Issue Tracking Patch Third Party Advisory
https://sumofpwn.nl/advisory/2016/cross_site_request_forgery_in_wordpress_press_this_function_allows_dos.html Exploit Third Party Advisory
https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/ Patch Release Notes Vendor Advisory
https://wpvulndb.com/vulnerabilities/8770 Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Cross-Site Request Forgery (CSRF) (CWE-352)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:wordpress:wordpress
     Show Matching CPE(s)
Up to (including)
4.7.2


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-6819
NVD Published Date:
03/11/2017
NVD Last Modified:
03/19/2019