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Category:   Application (VoIP)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk chan_skinny Driver Bug Lets Remote Users Consume Excessive Memory Resources
SecurityTracker Alert ID:  1039948
SecurityTracker URL:  http://securitytracker.com/id/1039948
CVE Reference:   CVE-2017-17090   (Links to External Site)
Updated:  Dec 31 2017
Original Entry Date:  Dec 1 2017
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 consume excessive memory on the target system.

A remote user can send a flood of specially crafted data to trigger a flaw in the chan_skinny (SCCP protocol) channel driver and consume excessive virtual memory on the target system, causing the service to stop processing requests.

Juan Sacco reported this vulnerability.

Impact:   A remote user can consume excessive memory resources to cause asterisk to stop processing requests.
Solution:   The vendor has issued a fix (13.18.3, 14.7.3, 15.1.3).

The vendor advisory is available at:

http://downloads.asterisk.org/pub/security/AST-2017-013.html

Vendor URL:  downloads.asterisk.org/pub/security/AST-2017-013.html (Links to External Site)
Cause:   Resource error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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