Vulnerability identifier: #VU8064
Vulnerability risk: High
CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-77
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Certified Asterisk
Server applications /
Conferencing, Collaboration and VoIP solutions
Asterisk Open Source
Server applications /
Conferencing, Collaboration and VoIP solutions
Vendor: Digium (Linux Support Services)
Description
The vulnerability allows a remote authenticated attacker to execute arbitrary commands on the target system.
The weakness exists due to input validation flaw in the 'app_minivm' module. A remote attacker can send supply specially crafted caller-id name and number data and execute arbitrary operating system commands.
Successful exploitation of the vulnerability may result in system compromise.
Mitigation
The vulnerability is addressed in the following versions:
Asterisk Open Source - 11.25.2, 13.17.1, 14.6.1.
Certified Asterisk - 11.6-cert17, 13.13-cert5.
Vulnerable software versions
Certified Asterisk: 11.6.0 - 13.13
Asterisk Open Source: 13.0.0 - 13.15.1, 11.0.0 - 11.21.0, 14.0 - 14.4.1
External links
http://downloads.asterisk.org/pub/security/AST-2017-006.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.