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AST-2012-011: Remote Crash Vulnerability In Voice Mail Application

If a single voicemail account is manipulated by two parties simultaneously, a condition can occur where memory is freed twice causing a crash.

Management of the memory in question has been reworked so that double frees and out of bounds array access do not occur. Upgrade to the latest release.

Affected Versions

  • Product Release Series
  • Asterisk Open Source 1.8.x 1.8.11 and newer
  • Asterisk Open Source 10.x 10.3 and newer
  • Certified Asterisk 1.8.11-certx All versions
  • Asterisk Digiumphones 10.x.x-digiumphones All versions

Corrected In

  • Product Release
  • Asterisk Open Source 1.8.13.1, 10.5.2
  • Certified Asterisk 1.8.11-cert4
  • Asterisk Digiumphones 10.5.2-digiumphones

Show voicemail in GUI

Hello list,

I have a management user interface written in php for controlling some
functions of Asterisk PBX.

I use realtime a lot.

Is there a way to easily get the details of a voicemail account and the
messages that have been left ?

In use realtime voicemail, but how to get the messages that have been
left for a certain mailbox-extension ?

Kind regards,
Jonas.

Linux RDNIS

RDNIS is Redirected Dialed Number Information Service. RDNIS contains Type of Number (TON), Presentation, and Redirecting Number (RGN), and Reason (busy, no answer, etc.). When redirecting calls, the Originally Called Number (OCN) contains, as its name suggests, the number that was originally called.

The RGN identifies the telephone number redirecting a call. For example, if one forwards a call on busy from home to another number, RGN contains the home number. This is useful if, for example, one is running a voice mail system and wants one incoming number to which everyone can forward calls. The RGN can then be used to determine the appropriate mailbox. This usually only works on a PRI.

Q.931 supports RDNIS Type of Number (TON), Presentation, and Redirecting Number (RGN). It is (IE) 115 on a DMS-100 switch, IE 116 on National-ISDN-2.

A note about wireless phones: the ‘forward all calls’ feature does not necessarily send RDNIS, but ‘forward when busy’, ‘forward when unavailable’, and ‘forward when unreachable’ are supposed to send RDNIS. Functionality may depend on wireless provider more than PRI provider.

Groupe Telecom and Bell Canada both support this on their PRIs.