[asterisk-users] AST-2019-002: Remote crash vulnerability with MESSAGE messages

Asterisk Security Team security at asterisk.org
Thu Jul 11 16:45:36 CDT 2019

               Asterisk Project Security Advisory - AST-2019-002

          Product         Asterisk                                            
          Summary         Remote crash vulnerability with MESSAGE messages    
     Nature of Advisory   Denial Of Service                                   
       Susceptibility     Remote Authenticated Sessions                       
          Severity        Low                                                 
       Exploits Known     No                                                  
        Reported On       June 13, 2019                                       
        Reported By       Gil Richard                                         
         Posted On        June 14,2019                                        
      Last Updated On     George Joseph                                       
      Advisory Contact    gjoseph AT digium DOT com                           
          CVE Name        CVE-2019-12827                                      

    Description  A specially crafted SIP in-dialog MESSAGE message can cause  
                 Asterisk to crash.                                           

        Resolution       Upgrade Asterisk to a fixed version.                 

                               Affected Versions
                Product              Release Series  
          Certified Asterisk           13.21-cert    All releases             
         Asterisk Open Source             13.x       All releases             
         Asterisk Open Source             15.x       All releases             
         Asterisk Open Source             16.x       All releases             

                                  Corrected In
                    Product                              Release              
               Certified Asterisk                      13.21-cert4            
              Asterisk Open Source                       13.27.1              
              Asterisk Open Source                        15.7.3              
              Asterisk Open Source                        16.4.1              

                               SVN URL                                Revision   
  http://downloads.asterisk.org/pub/security/AST-2019-002-13.21.diff Certified   
  http://downloads.asterisk.org/pub/security/AST-2019-002-13.diff    Asterisk 13 
  http://downloads.asterisk.org/pub/security/AST-2019-002-15.diff    Asterisk 15 
  http://downloads.asterisk.org/pub/security/AST-2019-002-16.diff    Asterisk 16 

       Links     https://issues.asterisk.org/jira/browse/ASTERISK-28447       

    Asterisk Project Security Advisories are posted at                        
    This document may be superseded by later versions; if so, the latest      
    version will be posted at                                                 
    http://downloads.digium.com/pub/security/AST-2019-002.pdf and             

                                Revision History
          Date                  Editor                 Revisions Made         
    June 14, 2019      George Joseph             Initial revision             

               Asterisk Project Security Advisory - AST-2019-002
               Copyright © 2018 Digium, Inc. All Rights Reserved.
  Permission is hereby granted to distribute and publish this advisory in its
                           original, unaltered form.

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