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Date: Thu, 31 Aug 2017 14:32:36 -0500
From: "Asterisk Security Team" <security@...erisk.org>
To: fulldisclosure@...lists.org
Subject: [FD] AST-2017-007: Remote Crash Vulerability in res_pjsip

               Asterisk Project Security Advisory - AST-2017-007

         Product        Asterisk                                              
         Summary        Remote Crash Vulerability in res_pjsip                
    Nature of Advisory  Denial of Service                                     
      Susceptibility    Remote Unauthenticated Sessions                       
         Severity       Moderate                                              
      Exploits Known    No                                                    
       Reported On      August 30, 2017                                       
       Reported By      Ross Beer                                             
        Posted On       
     Last Updated On    August 30, 2017                                       
     Advisory Contact   George Joseph <gjoseph AT digium DOT com>             
         CVE Name       

    Description  A carefully crafted URI in a From, To or Contact header      
                 could cause Asterisk to crash.                               

    Resolution  Patched pjsip_message_ip_updater to properly ignore the       
                trigger URI.                                                  

                               Affected Versions              
                            Product                           Release Series  
                      Asterisk Open Source                       13.15.0      
                      Asterisk Open Source                        14.4.0      

                                  Corrected In               
                            Product                              Release      
                     Asterisk Open Source                    13.17.1, 14.6.1  

                                    Patches                          
                                SVN URL                              Revision 
   http://downloads.asterisk.org/pub/security/AST-2017-007-13.diff   Asterisk 
                                                                     13       
   http://downloads.asterisk.org/pub/security/AST-2017-007-14.diff   Asterisk 
                                                                     14       

    Links  https://issues.asterisk.org/jira/browse/ASTERISK-27152             

    Asterisk Project Security Advisories are posted at                        
    http://www.asterisk.org/security                                          
                                                                              
    This document may be superseded by later versions; if so, the latest      
    version will be posted at http://downloads.digium.com/pub/security/.pdf   
    and http://downloads.digium.com/pub/security/.html                        

                                Revision History
         Date           Editor                   Revisions Made               
    August 30, 2017  George Joseph  Initial document created                  

                      Asterisk Project Security Advisory -
              Copyright (c) 2017 Digium, Inc. All Rights Reserved.
  Permission is hereby granted to distribute and publish this advisory in its
                           original, unaltered form.


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