Cisco posts workaround for IP phone DoS vulnerabilities

If you have a Cisco 7902, 7905 or 7912 IP Phone, or a Cisco 186 or 188 Analog Terminal Adapter, you'll want to be aware that according to the company, some Domain Name System (implementations may be vulnerable to a Denial of Service attack after receiving and processing a specially crafted DNS packet via these devices.Cisco has a variety of fixes and workarounds already available.

If you have a Cisco 7902, 7905 or 7912 IP Phone, or a Cisco 186 or 188 Analog Terminal Adapter, you'll want to be aware that according to the company, some Domain Name System (implementations may be vulnerable to a Denial of Service attack after receiving and processing a specially crafted DNS packet via these devices.

Cisco has a variety of fixes and workarounds already available. More are in the pipeline.

If you are one of those prudent IT folks who err on the side of caution, you'll want to read more about this issue by going to this page.