Kama Click Counter Plugin up to 3.4.8 on WordPress wp-admin/admin.php order_by/order Blind sql injection

Summaryinfo

A vulnerability was found in Kama Click Counter Plugin up to 3.4.8 on WordPress. It has been rated as critical. The impacted element is an unknown function of the file wp-admin/admin.php. Performing a manipulation of the argument order_by/order with the input ASC%2c(select*from(select(sleep(2)))a) results in sql injection (Blind). This vulnerability is known as CVE-2017-20103. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Kama Click Counter Plugin up to 3.4.8 on WordPress (WordPress Plugin). This affects an unknown function of the file wp-admin/admin.php. The manipulation of the argument order_by/order with the input value ASC%2c(select*from(select(sleep(2)))a) leads to a sql injection vulnerability (Blind). CWE is classifying the issue as CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 02/21/2017. The weakness was published 02/27/2017 by Manuel Garcia Cardenas as WordPress Plugin Kama Click Counter 3.4.9 - Blind SQL Injection as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. This vulnerability is uniquely identified as CVE-2017-20103. It is possible to initiate the attack remotely. Technical details and a public exploit are known. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK. The reason for this vulnerability is this part of code:

$order_by = ($x= & $_GET['order_by']) ? esc_sql($x) : 'link_date';
$order    = ($x= & $_GET['order']) ? esc_sql($x) : 'DESC';

A public exploit has been developed by Manuel Garcia Cardenas and been published immediately after the advisory. The exploit is shared for download at seclists.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:wp-admin/admin.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 3.4.9 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• Kama Click Counter Plugin

Version

• 3.4.0
• 3.4.1
• 3.4.2
• 3.4.3
• 3.4.4
• 3.4.5
• 3.4.6
• 3.4.7
• 3.4.8

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion