Cisco has released a trio security patches that fix denial-of-service bugs and a privilege escalation vulnerability.The bugs -- which Cisco said were discovered by its own researchers -- affect the SSH (Secure Shell) software in Cisco's Internetwork Operating System (IOS), used to power its routers, and in the Cisco Service Control Engine, which is provides carrier-grade networking services. The privilege escalation vulnerability affects its Voice Portal automated telephone customer service software.
While there are no immediate workarounds, Cisco has released free, downloadable software upgrades that address the Service Control Engine and Voice Portal vulnerabilities. The IOS bug is of particular interest to security researchers at large, who have been looking into the affects of malicious software on such an operating system.Network World, ChannelWeb
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