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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.

Apple Releases Malware Detection Tool

Apple has released Security Update 2011-003 for Mac OS X in response to the recent Mac fake anti-virus software. This update:

  • adds a malware definition to the File Quarantine application
  • causes the File Quarantine application to automatically update its malware definition list daily
  • removes MacDefender fake anti-virus software if detected

US-CERT encourages users and administrators to review Apple article HT4657 and apply Security Update 2011-003 to mitigate the risks.

Internet System Consortium releases BIND patches

The Internet System Consortium has released updates for BIND to address a vulnerability in BIND versions 9.4-ESV-R3 and later, 9.6-ESV-R2 and later, 9.6.3, 9.7.1 and later, and 9.8.0 and later. Exploitation of this vulnerability may allow an attacker to cause a denial-of-service condition. Additional information regarding this vulnerability can be found in US-CERT Vulnerability Note VU#795694.

US-CERT encourages users and administrators to review CVE-2011-1910 and apply the respective patches to help mitigate the risks. Since BIND is often packaged in larger third-party applications or operating system distributions, users and administrators should check with their software vendors for updated versions.

WordPress Releases Version 3.1.3

WordPress has released WordPress 3.1.3 to address multiple vulnerabilities. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code.

US-CERT encourages users and administrators to review the WordPress Codex
document for version 3.1.3 and apply any necessary updates to help mitigate the risks.


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