Asterisk Stack Overflow in HTTP Websocket Upgrade Lets Remote Users Cause the Target Service to Crash
|
|
SecurityTracker Alert ID: 1041694 |
|
SecurityTracker URL: http://securitytracker.com/id/1041694
|
|
CVE Reference:
CVE-2018-17281
(Links to External Site)
|
Date: Sep 21 2018
|
Impact:
Denial of service via network
|
Fix Available: Yes Vendor Confirmed: Yes
|
Version(s): 13.x, 14.x, 15.x
|
Description:
A vulnerability was reported in Asterisk. A remote user can cause the target service to crash.
A remote user can send a specially crafted HTTP request to request an HTTP websocket upgrade that triggers a stack overflow in the 'res_http_websocket.so' module and causes the target service to consume all available stack memory.
Sean Bright reported this vulnerability.
|
Impact:
A remote user can cause the target service to crash.
|
Solution:
The vendor has issued a fix (13.23.1, 14.7.8, 15.6.1).
The vendor advisory is available at:
http://downloads.asterisk.org/pub/security/AST-2018-009.html
|
Vendor URL: downloads.asterisk.org/pub/security/AST-2018-009.html (Links to External Site)
|
Cause:
Resource error
|
Underlying OS: Linux (Any), UNIX (Any)
|
|
Message History:
None.
|
Source Message Contents
|
|
|
[Original Message Not Available for Viewing]
|
|
