CVE-2016-6896

WordPress Core <= 4.5.3 - Denial of Service

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.

Vulnerabilidad de salto de directorio en la función wp_ajax_update_plugin en wp-admin/includes/ajax-actions.php en WordPress 4.5.3 permite a usuarios remotos autenticados provocar una denegación de servicio o leer ciertos archivos de texto a través de un .. (punto punto) en el parámetro plugin para wp-admin/admin-ajax.php, según lo demostrado por operaciones de lectura /dev/random que agotan el pool de entropia.

*Credits: Yorick Koster,

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-08-22 CVE Reserved
2016-08-22 CVE Published
2023-08-22 EPSS Updated
2024-08-06 CVE Updated
2024-08-06 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-400: Uncontrolled Resource Consumption

CAPEC

References (5)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2016/08/20/1	Mailing List
http://www.securitytracker.com/id/1036683	Vdb Entry
https://wpvulndb.com/vulnerabilities/8606	X_refsource_misc

URL	Date	SRC
https://www.exploit-db.com/exploits/40288	2024-08-06
https://sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_handlers.html	2024-08-06

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wordpress Search vendor "Wordpress"		Wordpress Search vendor "Wordpress" for product "Wordpress"				4.5.3 Search vendor "Wordpress" for product "Wordpress" and version "4.5.3"		-		Affected