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TITLE:
OmniPCX Enterprise Communications Server IP Touch Phone Audio
Unavailability Weakness

SECUNIA ADVISORY ID:
SA27710

VERIFY ADVISORY:
http://secunia.com/advisories/27710/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
>From local network

SOFTWARE:
OmniPCX Enterprise 7.x
http://secunia.com/product/15753/
OmniPCX Enterprise 6.x
http://secunia.com/product/16603/

DESCRIPTION:
A weakness has been reported in OmniPCX Enterprise Communications
Server, which can be exploited by malicious people to cause a DoS
(Denial of Service).

The weakness is caused due to an input validation error when handling
initial download configuration requests. This can be exploited to
cause a target IP Touch phone to not receive audio feedback via a
specially-crafted TFTP request containing the target phone's MAC
address as part of the filename.

The weakness affects the following versions:
* OmniPCX  Enterprise R7.1
* OmniPCX  Enterprise R7.0
* OmniPCX  Enterprise R6.2
* OmniPCX  Enterprise R6.1
* OmniPCX  Enterprise R6.0

SOLUTION:
Apply patches or upgrade/update to a fixed version.

OmniPCX  Enterprise R7.1: 
Install patch F5.401.21.e.

OmniPCX  Enterprise R7.0:
Upgrade to release R7.1.

OmniPCX  Enterprise R6.2:
Install patch F3.301.38.a.

OmniPCX  Enterprise R6.1:
Install patch F2.502.33.

OmniPCX  Enterprise R6.0 and earlier (phased out):
Upgrade to release R7.1.

PROVIDED AND/OR DISCOVERED BY:
Daniel Stirnimann, Compass Security

ORIGINAL ADVISORY:
Alcatel-Lucent (2007004):
http://www1.alcatel-lucent.com/psirt/statements/2007004/IPTouchDOS.htm

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About:
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