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AST-2007-025 - SQL Injection issue in res_config_pgsql
From: Asterisk Security Team <security () digium com>
Date: Thu, 29 Nov 2007 16:19:33 -0600

               Asterisk Project Security Advisory - AST-2007-025

   +------------------------------------------------------------------------+
   |       Product        | Asterisk                                        |
   |----------------------+-------------------------------------------------|
   |       Summary        | SQL Injection issue in res_config_pgsql         |
   |----------------------+-------------------------------------------------|
   |  Nature of Advisory  | SQL Injection                                   |
   |----------------------+-------------------------------------------------|
   |    Susceptibility    | Remote Unauthenticated Sessions                 |
   |----------------------+-------------------------------------------------|
   |       Severity       | Moderate                                        |
   |----------------------+-------------------------------------------------|
   |    Exploits Known    | No                                              |
   |----------------------+-------------------------------------------------|
   |     Reported On      | November 29, 2007                               |
   |----------------------+-------------------------------------------------|
   |     Reported By      | P. Chisteas <p_christ AT hol DOT gr>            |
   |----------------------+-------------------------------------------------|
   |      Posted On       | November 29, 2007                               |
   |----------------------+-------------------------------------------------|
   |   Last Updated On    | November 29, 2007                               |
   |----------------------+-------------------------------------------------|
   |   Advisory Contact   | Tilghman Lesher <tlesher AT digium DOT com>     |
   |----------------------+-------------------------------------------------|
   |       CVE Name       |                                                 |
   +------------------------------------------------------------------------+

   +------------------------------------------------------------------------+
   | Description | Input buffers were not properly escaped when providing   |
   |             | lookup data to the Postgres Realtime Engine. An attacker |
   |             | could potentially compromise the administrative database |
   |             | containing users' usernames and passwords used for SIP   |
   |             | authentication, among other things.                      |
   |             |                                                          |
   |             | This module is not active by default and must be         |
   |             | configured for use by the administrator. Default         |
   |             | installations of Asterisk are not affected.              |
   +------------------------------------------------------------------------+

   +------------------------------------------------------------------------+
   | Workaround | Convert your installation to use res_config_odbc with the |
   |            | PgsqlODBC driver. This module provides similar            |
   |            | functionality but is not vulnerable.                      |
   +------------------------------------------------------------------------+

   +------------------------------------------------------------------------+
   |    Resolution    | Upgrade to Asterisk release 1.4.15 or higher.       |
   +------------------------------------------------------------------------+

   +------------------------------------------------------------------------+
   |                           Affected Versions                            |
   |------------------------------------------------------------------------|
   |           Product            |   Release   |                           |
   |                              |   Series    |                           |
   |------------------------------+-------------+---------------------------|
   |     Asterisk Open Source     |    1.0.x    | None                      |
   |------------------------------+-------------+---------------------------|
   |     Asterisk Open Source     |    1.2.x    | None                      |
   |------------------------------+-------------+---------------------------|
   |     Asterisk Open Source     |    1.4.x    | 1.4.14 and previous       |
   |                              |             | versions                  |
   |------------------------------+-------------+---------------------------|
   |  Asterisk Business Edition   |    A.x.x    | None                      |
   |------------------------------+-------------+---------------------------|
   |  Asterisk Business Edition   |    B.x.x    | None                      |
   |------------------------------+-------------+---------------------------|
   |         AsteriskNOW          | pre-release | None                      |
   |------------------------------+-------------+---------------------------|
   | Asterisk Appliance Developer |    0.x.x    | None                      |
   |             Kit              |             |                           |
   |------------------------------+-------------+---------------------------|
   |  s800i (Asterisk Appliance)  |    1.0.x    | None                      |
   +------------------------------------------------------------------------+

   +------------------------------------------------------------------------+
   |                              Corrected In                              |
   |------------------------------------------------------------------------|
   |                 Product                  |           Release           |
   |------------------------------------------+-----------------------------|
   |           Asterisk Open Source           |           1.4.15            |
   |------------------------------------------+-----------------------------|
   |------------------------------------------+-----------------------------|
   +------------------------------------------------------------------------+

   +------------------------------------------------------------------------+
   |        Links        |                                                  |
   +------------------------------------------------------------------------+

   +------------------------------------------------------------------------+
   | 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-2007-025.pdf and          |
   | http://downloads.digium.com/pub/security/AST-2007-025.html             |
   +------------------------------------------------------------------------+

   +------------------------------------------------------------------------+
   |                            Revision History                            |
   |------------------------------------------------------------------------|
   |      Date       |         Editor         |       Revisions Made        |
   |-----------------+------------------------+-----------------------------|
   | 2007-11-29      | Tilghman Lesher        | Initial release             |
   +------------------------------------------------------------------------+

               Asterisk Project Security Advisory - AST-2007-025
              Copyright (c) 2007 Digium, Inc. All Rights Reserved.
  Permission is hereby granted to distribute and publish this advisory in its
                           original, unaltered form.

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