CVE-2018-7287 — MEDIUM (5.9)

Vulnerability 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).

CVSS Score

5.9

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Digium	Asterisk	15.0.0

Related Weaknesses (CWE)

CWE-754

References

http://downloads.digium.com/pub/security/AST-2018-006.htmlVendor Advisory
http://www.securityfocus.com/bid/103120Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040419Third Party AdvisoryVDB Entry
https://issues.asterisk.org/jira/browse/ASTERISK-27658Vendor Advisory
http://downloads.digium.com/pub/security/AST-2018-006.htmlVendor Advisory
http://www.securityfocus.com/bid/103120Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040419Third Party AdvisoryVDB Entry
https://issues.asterisk.org/jira/browse/ASTERISK-27658Vendor Advisory

FAQ

What is CVE-2018-7287?

CVE-2018-7287 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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).

How severe is CVE-2018-7287?

CVE-2018-7287 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-7287?

Check the references section above for vendor advisories and patch information. Affected products include: Digium Asterisk.