Vulnerability CVE-2018-6389


Published: 2018-02-06

Description:
In WordPress through 4.9.2, unauthenticated attackers can cause a denial of service (resource consumption) by using the large list of registered .js files (from wp-includes/script-loader.php) to construct a series of requests to load every file many times.

Type:

CWE-399

(Resource Management Errors)

Vendor: Wordpress
Product: Wordpress 
Version: 4.9.2;

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial

 References:
http://www.securityfocus.com/bid/103060
http://www.securitytracker.com/id/1040347
https://baraktawily.blogspot.fr/2018/02/how-to-dos-29-of-world-wide-websites.html
https://github.com/UltimateHackers/Shiva
https://github.com/WazeHell/CVE-2018-6389
https://thehackernews.com/2018/02/wordpress-dos-exploit.html
https://wpvulndb.com/vulnerabilities/9021
https://www.exploit-db.com/exploits/43968/

Related CVE
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Before WordPress 4.9.5, the redirection URL for the login page was not validated or sanitized if forced to use HTTPS.
CVE-2014-6412
WordPress before 4.4 makes it easier for remote attackers to predict password-recovery tokens via a brute-force approach.
CVE-2018-5776
WordPress before 4.9.2 has XSS in the Flash fallback files in MediaElement (under wp-includes/js/mediaelement).
CVE-2017-17093
wp-includes/general-template.php in WordPress before 4.9.1 does not properly restrict the lang attribute of an HTML element, which might allow attackers to conduct XSS attacks via the language setting of a site.
CVE-2017-17094
wp-includes/feed.php in WordPress before 4.9.1 does not properly restrict enclosures in RSS and Atom fields, which might allow attackers to conduct XSS attacks via a crafted URL.
CVE-2017-17091
wp-admin/user-new.php in WordPress before 4.9.1 sets the newbloguser key to a string that can be directly derived from the user ID, which allows remote attackers to bypass intended access restrictions by entering this string.

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