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Category:   Application (VoIP)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk REGISTER Request Processing Bug Lets Remote Authenticated Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1035575
SecurityTracker URL:  http://securitytracker.com/id/1035575
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Apr 15 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 13.x
Description:   A vulnerability was reported in Asterisk. A remote authenticated user can cause the target service to crash.

A remote authenticated user can submit a REGISTER request with a Contact header containing a specially crafted URI to cause the target Asterisk service to crash.

Systems using PJSIP as the SIP stack are affected.

The chan_sip module is not affected.

George Joseph reported this vulnerability.

Impact:   A remote authenticated user can cause the target service to crash.
Solution:   The vendor has issued a fix (13.8.1; 13.1-cert5).

The vendor's advisory is available at:

http://downloads.digium.com/pub/security/AST-2016-004.html

Vendor URL:  downloads.digium.com/pub/security/AST-2016-004.html (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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