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While the bugs haven't yet been exploited, they represent based business free home voip one of the most high-profile security scares in enterprise IP telephony to date. business plan voip Enterprises are moving quickly to shift to Business turnkey voipIP-based telephone networks, with Gartner predicting business phone small voip that by 2007, 97 percent of new VoIP Main Page enterprise phone systems installed in North business provider voip America will be either VOIP or hybrid. Cisco leads the market at the business service voip moment by a wide margin, with a 42 percent share in North America, business system voip followed by Avaya with 14 percent, 3Com with 11 percent and Nortel with business phone voip 9 percent, according to Gartner's research. Cisco reported five separate security bugs in business phone small system voip CallManager, the call- processing component Based business free home voipof the Cisco IP telephony system. The most business phone system voip serious is in the aupair.exe service, VoIP Main Page which could allow a remote attacker to based business home voip cause a buffer overflow and execute malicious code. Aupair.exe can't be disabled for business starting voip normal CallManager use, Cisco said. CallManager is Benefit business voipvulnerable in its default configuration, and business solution voip an attack could be VoIP Main Page carried out without the need for prior authentication, ISS business proposal voip said. An attacker may be able to redirect calls or perform eavesdropping as business turnkey voip a result of this compromise. Successful exploitation of this vulnerability could be used based best business home voip to gain unauthorized access to networks and machines with Cisco VOIP products, the benefit business voip security firm said in an advisory. Cisco has released patches for the affected business modello voip versions of CallManager, including 3.3 and earlier, 4.0 and 4.1. Its advisory and VoIP Main Page business phone Business system voipservice voip patching instructions are on Cisco's Web site. |
