SNS Vulnerability

WordPress KNR Author List Plugin Two SQL Injection Vulnerabilities

Description

Miroslav Stampar has discovered two vulnerabilities in the KNR Author List plugin for WordPress, which can be exploited by malicious people to conduct SQL injection attacks.
1) Input passed via the "listItem[]" parameter to wp-content/plugins/knr-author-list-widget/knrAuthorListCustomSortSave.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
2) Input passed as the "listItem" array keys to wp-content/plugins/knr-author-list-widget/knrAuthorListCustomSortSave.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
The vulnerabilities are confirmed in version 2.0. Other versions may also be affected.

Vulnerable Products

Vulnerable Software:
WordPress KNR Author List Plugin 2.x

Solution

Edit the source code to ensure that input is properly sanitised.

CVE

References

http://unconciousmind.blogspot.com/2011/09/wordpress-knr-author-list-widget-plugin.html

Vulnerability Manager Detection

IPS Protection

ASQ Engine alarm	Available Since
SQL injection Prevention - GET : suspicious OR statement in URL	3.2.0
SQL injection Prevention - GET : suspicious combination of 'OR' or 'AND' statements in URL	3.2.0
SQL injection Prevention - GET : suspicious CREATE statement in URL	3.2.0
SQL injection Prevention - GET : suspicious CAST statement in URL	3.2.0
SQL injection Prevention - GET : suspicious OPENROWSET statement in URL	3.2.0
SQL injection Prevention - GET : suspicious DECLARE statement in URL	3.2.0
SQL injection Prevention - GET : suspicious OPENQUERY statement in URL	3.2.0
SQL injection Prevention - GET : suspicious shutdown statement in URL	3.2.0
SQL injection Prevention - GET : suspicious UNION SELECT statement in URL	3.2.0
SQL injection Prevention - GET : possible database version probing	3.2.0
SQL injection Prevention - GET : suspicious UPDATE SET statement in URL	3.2.0
SQL injection Prevention - GET : suspicious SELECT statement in URL	3.2.0
SQL injection Prevention - GET : suspicious INSERT statement in URL	3.2.0
SQL injection Prevention - GET : suspicious DROP statement in URL	3.2.0
SQL injection Prevention - GET : suspicious EXEC statement in URL	3.2.0
SQL injection Prevention - GET : block comment delimiters in URL	3.2.0
SQL injection Prevention - GET : suspicious SQL statement in header	4.0.0

Risk level

Moderate

Vulnerability First Public Report Date

2011-09-07

Target Type

Server

Possible exploit

Remote