free voip phoneHome 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 free voip phone call other nastiness, according to Cisco and Internet VoIP Main Page Security Systems (ISS), which discovered the flaws. While the bugs haven't yet been exploited, they represent one of the most high-profile security scares in enterprise IP telephony to date. Enterprises are moving quickly to shift free pc phone voip to IP-based telephone networks, with Gartner predicting that by 2007, 97 percent of new enterprise phone systems installed in North America will be either VOIP or hybrid. Cisco leads the Country phone voip wimarket at the moment by a wide margin, with a 42 percent adcalls dialer free phone voip share VoIP Main Page in North America, followed by Avaya with 14 percent, 3Com with 11 percent and Nortel with 9 percent, according to Gartner's research. Cisco reported five separate security bugs in CallManager, the call- processing component of the Cisco IP telephony system. The free voip phone software most serious is in the aupair.exe service, which could allow a remote attacker VoIP Main Page to cause a buffer overflow and execute malicious code. Aupair.exe can't be disabled for normal CallManager use, Cisco said. CallManager is vulnerable in its default configuration, and an attack free incoming number phone voip could be carried out without the need for prior authentication, ISS Voip business phone servicesaid. VoIP Main Page An attacker may be able to redirect calls or perform eavesdropping as a result of this compromise. Successful exploitation of this vulnerability could be used to gain unauthorized access to free voip phone service networks and machines with Cisco VOIP products, the security firm said 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 VoIP Main Page patching instructions are on Cisco's Web site. Home 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 free voip phone call other nastiness, according to Cisco and Internet VoIP Main Page Security Systems (ISS), which discovered the flaws. While the bugs haven't yet been exploited, they represent one of the most high-profile security scares in enterprise IP telephony to date. Enterprises are moving quickly to shift free pc phone voip to IP-based telephone networks, with Gartner predicting that by 2007, 97 percent of new enterprise phone systems installed in North America will be either VOIP or hybrid. Cisco leads the Country phone voip wimarket at the moment by a wide margin, with a 42 percent adcalls dialer free phone voip share VoIP Main Page in North America, followed by Avaya with 14 percent, 3Com with 11 percent and Nortel with 9 percent, according to Gartner's research. Cisco reported five separate security bugs in CallManager, the call- processing component of the Cisco IP telephony system. The free voip phone software most serious is in the aupair.exe service, which could allow a remote attacker VoIP Main Page to cause a buffer overflow and execute malicious code. Aupair.exe can't be disabled for normal CallManager use, Cisco said. CallManager is vulnerable in its default configuration, and an attack free incoming number phone voip could be carried out without the need for prior authentication, ISS Voip business phone servicesaid. VoIP Main Page An attacker may be able to redirect calls or perform eavesdropping as a result of this compromise. Successful exploitation of this vulnerability could be used to gain unauthorized access to free voip phone service networks and machines with Cisco VOIP products, the security firm said 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 VoIP Main Page patching instructions are on Cisco's Web site. |
