Cisco (NASDAQ:CSCO) now has a critical patch out for its IOS operating system fixing a TCP flaw that could trigger a Denial of Service (DoS) condition.
Cisco just released a critical patch for its IOS operating system. How concerned should we be?
The TCP flaw is similar in nature to one that Microsoft patched as part of its September Patch Tuesday update. TCP is the core transport protocol for most web traffic and the flaw is one that is not trivial.
By manipulating the state of a TCP connection, an attacker could force the TCP connection to remain in a long-lived state, possibly indefinitely,” Cisco’s warns in its advisory. “If enough TCP connections are forced into a long-lived or indefinite state, resources on a system under attack may be consumed, preventing new TCP connections from being accepted.”
In other words, a flaw in TCP could have enabled a DoS attack.
Read the rest at InternetNews.com blog Netstat -vat.
Sean Michael Kerner is an Internet consultant, strategist, and contributor to several leading IT business web sites.
ServerWatch is a top resource on servers. Explore the latest news, reviews and guides for server administrators now.
Property of TechnologyAdvice. © 2025 TechnologyAdvice. All Rights Reserved
Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.
