voip ciscoPhone voipCisco Systems has disclosed that a core component of its enterprise VOIP system is vulnerable to several serious security flaws. The flaws could allow remote attackers to compromise a company's VOIP network, redirect or listen in on calls and carry out other nastiness, according to Cisco and Internet cisco voip Security Systems (ISS), which discovered the flaws. While the bugs haven't yet VoIP Main Page been exploited, they represent one of the most high-profile security scares in enterprise IP telephony to date. Enterprises are moving quickly to shift to Voip homeIP-based telephone networks, with Gartner predicting that by 2007, 97 percent of new cisco voip phone enterprise phone systems installed in North America will be either VOIP or hybrid. Cisco leads the market at the moment by a wide margin, with Free voipa 42 percent share in North America, followed by Avaya with 14 percent, 3Com with 11 percent and Nortel with 9 percent, VoIP Main Page according to cisco voip training Gartner's research. Cisco reported five separate security bugs in CallManager, the call- processing component of the Cisco IP telephony system. The most serious is in the aupair.exe service, which could allow a remote attacker to cause a buffer overflow and execute malicious VoIP Main Page code. Aupair.exe can't be Gateway voipdisabled for normal cisco voip certification CallManager use, Cisco said. CallManager is vulnerable in its default configuration, and an attack could be carried out without the need for prior authentication, ISS said. An attacker may be able to redirect calls or perform eavesdropping as a result of this compromise. Successful exploitation of this vulnerability could cisco voip gateway be used to gain unauthorized access to networks and machines with Cisco VOIP products, the VoIP Main Page security firm Voip telefonesaid in an advisory. Cisco has released patches for the affected versions of CallManager, including 3.3 and earlier, 4.0 and 4.1. Its advisory and patching instructions are on Cisco's Web site. Phone voipCisco Systems has disclosed that a core component of its enterprise VOIP system is vulnerable to several serious security flaws. The flaws could allow remote attackers to compromise a company's VOIP network, redirect or listen in on calls and carry out other nastiness, according to Cisco and Internet cisco voip Security Systems (ISS), which discovered the flaws. While the bugs haven't yet VoIP Main Page been exploited, they represent one of the most high-profile security scares in enterprise IP telephony to date. Enterprises are moving quickly to shift to Voip homeIP-based telephone networks, with Gartner predicting that by 2007, 97 percent of new cisco voip phone enterprise phone systems installed in North America will be either VOIP or hybrid. Cisco leads the market at the moment by a wide margin, with Free voipa 42 percent share in North America, followed by Avaya with 14 percent, 3Com with 11 percent and Nortel with 9 percent, VoIP Main Page according to cisco voip training Gartner's research. Cisco reported five separate security bugs in CallManager, the call- processing component of the Cisco IP telephony system. The most serious is in the aupair.exe service, which could allow a remote attacker to cause a buffer overflow and execute malicious VoIP Main Page code. Aupair.exe can't be Gateway voipdisabled for normal cisco voip certification CallManager use, Cisco said. CallManager is vulnerable in its default configuration, and an attack could be carried out without the need for prior authentication, ISS said. An attacker may be able to redirect calls or perform eavesdropping as a result of this compromise. Successful exploitation of this vulnerability could cisco voip gateway be used to gain unauthorized access to networks and machines with Cisco VOIP products, the VoIP Main Page security firm Voip telefonesaid in an advisory. Cisco has released patches for the affected versions of CallManager, including 3.3 and earlier, 4.0 and 4.1. Its advisory and patching instructions are on Cisco's Web site. |
