#VU9523 Resource exhaustion in Asterisk Open Source
Published: December 1, 2017 / Updated: December 4, 2017
Vulnerability identifier: #VU9523
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Asterisk Open Source
Asterisk Open Source
Software vendor:
Digium (Linux Support Services)
Digium (Linux Support Services)
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to an error when handling malicious input. A remote attacker can send a flood of specially crafted data to trigger a flaw in the chan_skinny (SCCP protocol) channel driver, consume excessive virtual memory on the target system and cause the service to stop processing requests. .
Successful exploitation of the vulnerability results in denial of service.
Remediation
The vulnerability is addressed in the following versions: 13.18.3, 14.7.3, 15.1.3.