FusionPBX up to 4.5.7 music_on_hold.php File path traversal

Summaryinfo

A vulnerability, which was classified as problematic, was found in FusionPBX up to 4.5.7. Affected is an unknown function of the file app/music_on_hold/music_on_hold.php. Such manipulation of the argument File as part of Variable leads to path traversal. This vulnerability is listed as CVE-2019-16990. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in FusionPBX up to 4.5.7 and classified as problematic. Affected by this issue is some unknown functionality of the file app/music_on_hold/music_on_hold.php. The manipulation of the argument file as part of a Variable leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. CVE summarizes:

In FusionPBX up to v4.5.7, the file app/music_on_hold/music_on_hold.php uses an unsanitized "file" variable coming from the URL, which takes any pathname (base64 encoded) and allows a download of it.

The weakness was presented 10/21/2019. This vulnerability is handled as CVE-2019-16990 since 09/29/2019. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

By approaching the search of inurl:app/music_on_hold/music_on_hold.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-143982, VDB-143980, VDB-143979 and VDB-143981 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• FusionPBX

Version

• 4.5.0
• 4.5.1
• 4.5.2
• 4.5.3
• 4.5.4
• 4.5.5
• 4.5.6
• 4.5.7

License

• free

Website

• Product: https://github.com/fusionpbx/fusionpbx/

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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