Vulnerability identifier: #VU22288

Vulnerability risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11407

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FusionPBX
Server applications / SCADA systems

Vendor: FusionPBX

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists in the "app/operator_panel/index_inc.php" file in the Operator Panel due to the debug parameter dumps the contents of several arrays, most notably the $_SESSION array. A remote authenticated administrator can gain unauthorized access to sensitive information on the system, such as the password for the FreeSWITCH event socket interface.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FusionPBX: Master

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External links
http://blog.gdssecurity.com/labs/2019/6/7/rce-using-caller-id-multiple-vulnerabilities-in-fusionpbx.html
http://github.com/fusionpbx/fusionpbx/commit/f38676b7b63bb1ec3a68d577fe23e6701f482aef

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.