BigTree CMS up to 4.2.18 on Windows file-browser.php directory path traversal

Summaryinfo

A vulnerability, which was classified as problematic, has been found in BigTree CMS up to 4.2.18 on Windows. Affected by this issue is some unknown functionality of the file core\admin\ajax\developer\extensions\file-browser.php. Performing a manipulation of the argument directory with the input ..\ as part of Parameter results in path traversal. This vulnerability is cataloged as CVE-2017-9428. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in BigTree CMS up to 4.2.18 on Windows (Content Management System). It has been classified as problematic. This affects an unknown functionality of the file core\admin\ajax\developer\extensions\file-browser.php. The manipulation of the argument directory with the input value ..\ leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality. The summary by CVE is:

A directory traversal vulnerability exists in core\admin\ajax\developer\extensions\file-browser.php in BigTree CMS through 4.2.18 on Windows, allowing attackers to read arbitrary files via ..\ sequences in the directory parameter.

The bug was discovered 06/04/2017. The weakness was shared 06/04/2017 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2017-9428. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

By approaching the search of inurl:core\admin\ajax\developer\extensions\file-browser.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.

The entry VDB-101948 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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