SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   Application (VoIP)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk WebSocket Payload Processing Bug Lets Remote Authenticated Users Cause Denial of Service Conditions
SecurityTracker Alert ID:  1040419
SecurityTracker URL:  http://securitytracker.com/id/1040419
CVE Reference:   CVE-2018-7287   (Links to External Site)
Date:  Feb 22 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 15.x
Description:   A vulnerability was reported in Asterisk. A remote authenticated user can cause denial of service conditions.

The system does not properly read WebSocket frames with a zero payload length. A remote authenticated user can exploit this to cause the system to enter a busy loop until the underlying connection is closed.

The default configuration does not enable the vulnerable HTTP server component.

Sean Bright reported this vulnerability.

Impact:   A remote authenticated user can cause denial of service conditions.
Solution:   The vendor has issued a fix (15.2.2).

The vendor advisory is available at:

http://downloads.asterisk.org/pub/security/AST-2018-006.html

Vendor URL:  downloads.asterisk.org/pub/security/AST-2018-006.html (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


 Source Message Contents



[Original Message Not Available for Viewing]


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2019, SecurityGlobal.net LLC