OS Command Injection in Asterisk Open Source and Certified Asterisk - CVE-2019-18610
Published: November 22, 2019
Vulnerability identifier: #VU22935
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-18610
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the "manager.c" module. A remote authenticated Asterisk Manager Interface (AMI) user without “system” authorization can use a specially crafted “Originate” AMI request to execute arbitrary system commands.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Asterisk Open Source
Certified Asterisk
asterisk (Alpine package)
Certified Asterisk
asterisk (Alpine package)
How to mitigate CVE-2019-18610
Install updates from vendor's website.
Asterisk Open Source - addressed in versions 13.29.2, 16.6.2, 17.0.1
Certified Asterisk - update to 13.21-cert5
asterisk (Alpine package) - addressed in versions 16.3.0-r3, 16.6.2-r0
Certified Asterisk - update to 13.21-cert5
asterisk (Alpine package) - addressed in versions 16.3.0-r3, 16.6.2-r0