Vulnerability identifier: #VU8574

Vulnerability risk: High

CVSSv3.1: 9.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2017-14001

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Asterisk GUI
Web applications / Other software

Vendor: Digium (Linux Support Services)

Description
The vulnerability allows a remote authenticated attacker to execute arbitrary OS commands on the target system.

The weakness exists due to command injection flaw. A remote attacker can include OS commands in the URL request of the program and execute arbitrary shell commands with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Asterisk GUI is no longer maintained and should not be used. Digium recommends affected users to migrate to Digium’s SwitchVox product.

Vulnerable software versions

Asterisk GUI: 1.8 - 2.1.0

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External links
http://ics-cert.us-cert.gov/advisories/ICSA-17-264-03

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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.