A newly discovered vulnerability could allow hackers to redirect traffic across the Internet. The vulnerability could be used to hijack Web sessions remotely and route them to another server. 16 vendors, including Cisco, Microsoft, Sun, and open source operating systems, are releasing their respective patches today. The patches add a source port randomization element to the DNS query process, which currently relies on transaction IDs alone. The transaction ID, which assigns a value of between one and 65,000 to each query, “is no longer enough””]