Vulnerability CVE-2018-7287
Published: 2018-02-21   Modified: 2018-02-22

Description:
An issue was discovered in res_http_websocket.c in Asterisk 15.x through 15.2.1. If the HTTP server is enabled (default is disabled), WebSocket payloads of size 0 are mishandled (with a busy loop).

Type:

CWE-754

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Digium -> Asterisk 

 References:
http://downloads.digium.com/pub/security/AST-2018-006.html
http://www.securityfocus.com/bid/103120
http://www.securitytracker.com/id/1040419
https://issues.asterisk.org/jira/browse/ASTERISK-27658
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