[AsteriskBrasil] Fwd: [asterisk-dev] AST-2016-003: Remote crash vulnerability when receiving UDPTL FAX data.

[Sylvio Jollenbeck]

---------- Forwarded message ----------
From: Asterisk Security Team <security em asterisk.org>
Date: 2016-02-03 23:59 GMT-02:00
Subject: [asterisk-dev] AST-2016-003: Remote crash vulnerability when
receiving UDPTL FAX data.
To: asterisk-dev em lists.digium.com


               Asterisk Project Security Advisory - AST-2016-003

         Product        Asterisk
         Summary        Remote crash vulnerability when receiving UDPTL FAX
                        data.
    Nature of Advisory  Denial of Service
      Susceptibility    Remote Authenticated Sessions
         Severity       Minor
      Exploits Known    Yes
       Reported On      December 2, 2015
       Reported By      Walter Dokes, Torrey Searle
        Posted On       February 3, 2016
     Last Updated On    February 3, 2016
     Advisory Contact   Richard Mudgett <rmudgett AT digium DOT com>
         CVE Name       Pending

    Description  If no UDPTL packets are lost there is no problem. However,
                 a lost packet causes Asterisk to use the available error
                 correcting redundancy packets. If those redundancy packets
                 have zero length then Asterisk uses an uninitialized buffer
                 pointer and length value which can cause invalid memory
                 accesses later when the packet is copied.

    Resolution  Upgrade to a released version with the fix incorporated or
                apply patch.

                               Affected Versions
                         Product                       Release
                                                       Series
                  Asterisk Open Source                  1.8.x   All versions
                  Asterisk Open Source                  11.x    All versions
                  Asterisk Open Source                  12.x    All versions
                  Asterisk Open Source                  13.x    All versions
                   Certified Asterisk                  1.8.28   All versions
                   Certified Asterisk                   11.6    All versions
                   Certified Asterisk                   13.1    All versions

                                  Corrected In
          Product                              Release
    Asterisk Open Source                   11.21.1, 13.7.1
     Certified Asterisk                11.6-cert12, 13.1-cert3

                                      Patches
                                 SVN URL
 Revision
   http://downloads.asterisk.org/pub/security/AST-2016-003-1.8.28.diff
Certified

 Asterisk

 1.8.28
   http://downloads.asterisk.org/pub/security/AST-2016-003-11.6.diff
 Certified

 Asterisk
                                                                       11.6
   http://downloads.asterisk.org/pub/security/AST-2016-003-13.1.diff
 Certified

 Asterisk
                                                                       13.1
   http://downloads.asterisk.org/pub/security/AST-2016-003-1.8.diff
Asterisk
                                                                       1.8
   http://downloads.asterisk.org/pub/security/AST-2016-003-11.diff
 Asterisk
                                                                       11
   http://downloads.asterisk.org/pub/security/AST-2016-003-12.diff
 Asterisk
                                                                       12
   http://downloads.asterisk.org/pub/security/AST-2016-003-13.diff
 Asterisk
                                                                       13

    Links  https://issues.asterisk.org/jira/browse/ASTERISK-25603

    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/AST-2016-003.pdf and
    http://downloads.digium.com/pub/security/AST-2016-003.html

                                Revision History
          Date            Editor                  Revisions Made
    December 7, 2015  Richard Mudgett  Initial document created

               Asterisk Project Security Advisory - AST-2016-003
              Copyright (c) 2015 Digium, Inc. All Rights Reserved.
  Permission is hereby granted to distribute and publish this advisory in
its
                           original, unaltered form.


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-- 
Sylvio Jollenbeck
skype: sylvio.jollenbeck
www.hosannatecnologia.com.br
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