BigTree CMS up to 4.2.18 form-create.php sql injection

Summaryinfo

A vulnerability classified as critical was found in BigTree CMS up to 4.2.18. Affected by this vulnerability is an unknown functionality of the file core\admin\modules\developer\modules\designer\form-create.php. Such manipulation leads to sql injection. This vulnerability is listed as CVE-2017-9427. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in BigTree CMS up to 4.2.18 (Content Management System) and classified as critical. Affected by this issue is an unknown function of the file core\admin\modules\developer\modules\designer\form-create.php. The manipulation with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

SQL injection vulnerability in BigTree CMS through 4.2.18 allows remote authenticated users to execute arbitrary SQL commands via core\admin\modules\developer\modules\designer\form-create.php. The attacker creates a crafted table name at admin/developer/modules/designer/ and the injection is visible at admin/dashboard/vitals-statistics/integrity/check/?external=true.

The bug was discovered 06/03/2017. The weakness was presented 06/04/2017 (Website). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2017-9427. The exploitation is known to be easy. The attack may be launched remotely. The successful exploitation requires a simple authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1505.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:core\admin\modules\developer\modules\designer\form-create.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-101949 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• BigTree

Name

• CMS

Version

• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.2.5
• 4.2.6
• 4.2.7
• 4.2.8
• 4.2.9
• 4.2.10
• 4.2.11
• 4.2.12
• 4.2.13
• 4.2.14
• 4.2.15
• 4.2.16
• 4.2.17
• 4.2.18

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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