Microsoft Service Bus DoS Mostly Affects Enterprise Web Developers.

Among this week’s Microsoft security bulletins is one that likely only affects a small subset of Microsoft customers, and thus not worth a full security alert.

Microsoft Service Bus is a messaging component that ships with server versions of Windows, providing enterprise developers with the means to create message-driven applications. According to Microsoft’s bulletin, Service Bus suffers from a denial of service (DoS) vulnerability involving it’s inability to properly handle a sequence of specially crafted messages. If you have created an application that uses Service Bus, an attacker who could send specially crafted messages to your application could exploit this flaw to prevent the application from responding to further messages. You’d have to restart the service to regain functionality.

Windows itself doesn’t really use Service Bus for anything, but if you have internal applications that do, this vulnerability may be significant to you. If you use Service Bus, be sure to check out the bulletin to get your updates. — Corey Nachreiner, CISSP (@SecAdept)

About Corey Nachreiner

Corey Nachreiner has been with WatchGuard since 1999 and has since written more than a thousand concise security alerts and easily-understood educational articles for WatchGuard users. His security training videos have generated hundreds of letters of praise from thankful customers and accumulated more than 100,000 views on YouTube and Google Video. A Certified Information Systems Security Professional (CISSP), Corey speaks internationally and is often quoted by other online sources, including C|NET, eWeek, and Slashdot. Corey enjoys "modding" any technical gizmo he can get his hands on, and considers himself a hacker in the old sense of the word.

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