A software flaw in Cisco Voice over Internet Protocol phones could leave its customers vulnerable to a hack attack. The United Kingdom’s National Infrastructure Security Co-ordination Centre (NICC) reported the problem on Tuesday. Cisco is issuing patches to fix the issue, which is caused by a Domain Name System (DNS) protocol vulnerability that affects the client software in the phones. The DNS protocol is an Internet service that translates domain names into IP addresses. If exploited, this vulnerability could allow a hacker to perpetrate a Denial-of-Service attack.
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Cisco Responds to IP Phone Flaw
Posted by: Jennifer LeClaire May 25, 2005 01:08 PMA software flaw in Cisco Voice over Internet Protocol phones could leave its customers vulnerable to a hack attack. The United Kingdom’s National Infrastructure Security Co-ordination Centre (NICC) reported the problem on Tuesday. Cisco is issuing patches to fix the issue, which is caused by a Domain Name System (DNS) protocol vulnerability that affects the client software in the phones. The DNS protocol is an Internet service that translates domain names into IP addresses. If exploited, this vulnerability could allow a hacker to perpetrate a Denial-of-Service attack.