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Home >> Browse Vulnerability Assessment Database >> CGI abuses >> WordPress Pingback Information Disclosure Vulnerability


Vulnerability Assessment Details

WordPress Pingback Information Disclosure Vulnerability

Vulnerability Assessment Summary
Tries to access a local file via WordPress' Pingback

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote web server contains a PHP application that is affected by
an information disclosure vulnerability.

Description :

The version of WordPress installed on the remote host fails to
sanitize the 'sourceURI' before passing it to the 'wp_remote_fopen()'
function when processing pingbacks. An unauthenticated remote
attacker can leverage this issue to, say, acertain the existence of
local files and possibly even to view parts of those files, subject to
the permissions of the web server user id.

In addition, the version is also reportedly susceptible to a denial of
service attack because it permits an anonymous attacker to cause a
server to fetch arbitrary URLs without limits.

See also :

http://www.securityfocus.com/archive/1/458003/30/0/threaded
http://comox.textdrive.com/pipermail/wp-svn/2007-January/002387.html

Solution :

Upgrade to WordPress version 2.1 or later.

Network Security Threat Level:

Low / CVSS Base Score : 2.3
(AV:R/AC:L/Au:NR/C:P/I:N/A:N/B:N)

Networks Security ID: 22220

Vulnerability Assessment Copyright: This script is Copyright (C) 2007 Tenable Network Security

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