FusionPBX up to 4.5.7 Call Center Queue app/call_centers/cmd.php injection

Summaryinfo

A vulnerability, which was classified as critical, was found in FusionPBX up to 4.5.7. This affects an unknown part of the file app/call_centers/cmd.php of the component Call Center Queue Module. Executing a manipulation can lead to injection. This vulnerability is tracked as CVE-2019-16964. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in FusionPBX up to 4.5.7. This vulnerability affects some unknown functionality of the file app/call_centers/cmd.php of the component Call Center Queue Module. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

app/call_centers/cmd.php in the Call Center Queue Module in FusionPBX up to 4.5.7 suffers from a command injection vulnerability due to a lack of input validation, which allows authenticated attackers (with at least the permission call_center_queue_add or call_center_queue_edit) to execute any commands on the host as www-data.

The weakness was disclosed 10/21/2019. This vulnerability was named CVE-2019-16964 since 09/29/2019. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1055.

By approaching the search of inurl:app/call_centers/cmd.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 entries VDB-143996, VDB-143993 and VDB-143988 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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