#VU10714 Infinite loop in Asterisk Open Source - CVE-2018-7287
Published: February 26, 2018
Vulnerability identifier: #VU10714
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: CVE-2018-7287
CWE-ID: CWE-835
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 weakness exists in the res_http_websocket.c code due to insufficient length checks on WebSocket frames. A remote attacker can send send WebSocket frames with a zero-length payload, trigger a busy loop condition until the underlying socket on the system is closed and cause the service to crash.
The weakness exists in the res_http_websocket.c code due to insufficient length checks on WebSocket frames. A remote attacker can send send WebSocket frames with a zero-length payload, trigger a busy loop condition until the underlying socket on the system is closed and cause the service to crash.
Remediation
Update to version 15.2.2.