VMWare released a new security advisory about a vulnerability in the krb5 (Kerberos) package. The vulnerability allows a remote attacker to cause a DoS or potentially execute arbitrary code on the ESX server.

According to the advisory available at http://lists.vmware.com/pipermail/security-announce/2009/000059.html all ESX versions are affected (ESXi is not affected), however, the Kerberos package is not installed by default.

This beta is available only to customers in the United States, Israel (English only), People's Republic of China (Simplified Chinese only) and Brazil (Brazilian Portuguese only).Please visit the more information page to learn more about system requirements, our End User License Agreement and other important information.

To get the beta, just click here or on the button on the top of this page. This will take you to Microsoft Connect where you'll answer a few questions and then be able to download the Security Essentials beta.

http://www.microsoft.com/security_essentials/

WOT stands for Web Of Trust, it is a community knowledge based system where information on websites are shared. After installing the add-on, the links from search engines are tagged with extra symbols showing whether the site's "reputation" level. Very simple to understand, red means potentially bad site and green means good site.

WOT is available for both Firefox and IE . If you choose to use it, remember to contribute back to the project back by helping to rate sites as you visit them.

Google has released an update for Chrome, their own web browser. From their advisory here: "Google Chrome's Stable channel has been updated to version 2.0.172.31 to fix two security issues in WebKit." CVE-2009-1690 is a memory corruption which can lead to arbitrary code execution within the sandbox. CVE-2009-1718 is an information leak. Both CVE's name Apple Safari, however they also affect Google Chrome.

A critical vulnerability has been discovered in the JavaScript handling within Adobe Reader and Acrobat versions 9.1 and earlier.  According to the announcement, Adobe expects to make available Windows updates for Adobe Reader versions 9.X, 8.X, and 7.X and Acrobat versions 9.X, 8.X, and 7.X, Macintosh updates for Adobe Reader versions 9.X and 8.X and Acrobat versions 9.X and 8.X, as well as Adobe Reader for Unix versions 9.X and 8.X, by May 12th, 2009.  Additionally, there is a second vulnerability specific to Adobe Reader for Unix that will be resolved by this update as well.
In the meantime, you can perform mitigation steps by disabling JavaScript in Reader and Acrobat:

1. Launch Acrobat or Adobe Reader.
2. Select Edit>Preferences
3. Select the JavaScript Category
4. Uncheck the ‘Enable Acrobat JavaScript’ option
5. Click OK

Ref:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-1492
http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-1493