#VU6618 Memory corruption in Asterisk Open Source and Certified Asterisk

 

#VU6618 Memory corruption in Asterisk Open Source and Certified Asterisk

Published: May 23, 2017 / Updated: May 23, 2017


Vulnerability identifier: #VU6618
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Asterisk Open Source
Certified Asterisk
Software vendor:
Digium (Linux Support Services)

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to insufficient bounds checking. A remote attacker can send a specially crafted Skinny Client Control Protocol (SCCP) packet, trigger memory corruption and cause the affected device to crash.

Successful exploitation of the vulnerability results in denial of service.

Remediation

Update Asterisk to version 13.15.1 and 14.4.1.
Update Certified Asterisk to version 13.13-cert.

External links