#VU5362 Code injection in FreePBX - CVE-2014-7235

Vulnerability identifier: #VU5362

Vulnerability risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2014-7235

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
FreePBX
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor: FreePBX

Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to an error in the legacy FreePBX ARI Framework module/Asterisk Recording Interface (ARI). A remote attacker can bypass the authentication process and execute arbitrary code with administrative privileges.

Successful exploitation results in arbitrary code execution on the vulnerable system.

Note: this vulnerability was being actively exploited.

Mitigation
Update to version 2.12.0.5 or later.

Vulnerable software versions

FreePBX: 2.9.0.8 - 2.11.1.4

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External links
https://community.freepbx.org/t/critical-freepbx-rce-vulnerability-all-versions-cve-2014-7235/24536

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.