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The US-CERT Current Activity web page is a regularly updated summary of the most frequent, high-impact types of security incidents currently being reported to the US-CERT.

Adobe Releases Security Update for Flash Media Server

Adobe has released Flash Media Server 4.0.1, 3.5.5, and 3.0.7 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code.

US-CERT encourages users and administrators to review Adobe security bulletin APSB10-27 and apply appropriate updates to help mitigate the risks.

Insecure Loading of Dynamic Link Libraries in Windows Applications

US-CERT is aware of a class of vulnerabilities related to how some Windows applications may load external dynamic link libraries (DLLs). When an application loads a DLL without specifying a fully qualified path name, Windows will attempt to locate the DLL by searching a defined set of directories. If an application does not securely load DLL files, an attacker may be able to cause the affected application to load an arbitrary library.

By convincing a user to open a file from a location that is under an attacker's control, such as a USB drive or network share, a remote attacker may be able to exploit this vulnerability. Exploitation of this vulnerability may result in the execution of arbitrary code.

Additional information regarding this vulnerability can be found in US-CERT Vulnerability Note VU#707943. US-CERT encourages users and administrators to review the vulnerability note and consider implementing the following workarounds until fixes are released by affected vendors:

Microsoft Releases November Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Office and Forefront United Access Gateway as part of the Microsoft Security Bulletin Summary for November 2010. These vulnerabilities may allow an attacker to execute arbitrary code or operate with elevated privileges.

US-CERT encourages users and administrators to review the bulletins and follow best-practice security policies to determine which updates should be applied.

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