gHacks technology news » flash security http://www.ghacks.net A technology blog covering software, mobile phones, gadgets, security, the Internet and other relevant areas. Mon, 23 Nov 2009 22:22:46 +0000 http://wordpress.org/?v=2.8.6 en hourly 1 Mozilla Checks Flash Version After Firefox Updates http://www.ghacks.net/2009/09/04/mozilla-checks-flash-version-after-firefox-updates/ http://www.ghacks.net/2009/09/04/mozilla-checks-flash-version-after-firefox-updates/#comments Fri, 04 Sep 2009 21:10:05 +0000 Martin http://www.ghacks.net/?p=16038 microsoft windowsWeb browser attacks are an increasing threat these days. Attackers not only expoit web browser vulnerabilities but also those of plugins and add-ons that are installed in the web browser. The Adobe Flash plugin is one of the high priority targets of attackers due to its distribution percentage. A recent article at H-Online estimates that about 80% of web surfers use an outdated version of Adobe Flash which can have a severe impact on system stability and security.

That’s where the Mozilla developers began thinking about solutions for this problem. They quickly came up with the solution to test the version of the Adobe Flash plugin after Firefox updates. Regular Firefox users know that Firefox will open a what’s new page after an update. This what’s new page will contain the Adobe Flash version check.

adobe flash

Firefox users with an outdated version of Adobe Flash will receive the notification that it is outdated. This information contains a link that is directly pointing to the latest version of Adobe Flash at the Adobe website. Hopes are that many users who are running an outdated version of Flash will visit the Adobe website after a Firefox update to download the latest version of Adobe Flash to install it on their computer system.

Users who want to try the Flash check right now can visit the upcoming what’s new page for Firefox 3.5.3.

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]]> http://www.ghacks.net/2009/09/04/mozilla-checks-flash-version-after-firefox-updates/feed/ 14 Adobe Flash Security Scan http://www.ghacks.net/2009/03/27/adobe-flash-security-scan/ http://www.ghacks.net/2009/03/27/adobe-flash-security-scan/#comments Fri, 27 Mar 2009 11:01:20 +0000 Martin http://www.ghacks.net/2009/03/27/adobe-flash-security-scan/ While Adobe Flash offers many exciting possibilities to web developers and users alike it also introduces several additional security risks to computer systems. We already discussed the impact of so called Flash Cookies which are able to track a user even if he deletes the normal cookies regularly across multiple web browsers.

The HP Security Laboratory has created the application SWF Scan which can be used by both developers and end users to analyse Adobe Flash files for more than 60 vulnerabilities. Usage is pretty simple and straightforward although interpretation of the findings might require a deeper understanding of Adobe Flash or extensive research on the Internet. The application works with both local Adobe Flash files or those embedded in websites.

Users will first have to find out the direct url to the embedded flash file on the website. All web browser provide those capabilities. Firefox users for instance right-click the page and select Page Info from the context menu to get a list of objects that are embedded in the website. A click on the Media tab and a manual search for files of the type embed should be enough to find the url of the Adobe Flash file. A right-click on the flash object will open a menu with the option to copy the url to the clipboard.

adobe flash

Once the url has been copied to the clipboard it can be pasted into the interface of the HP SWF Scan application. A click on the get button next to the url bar will initiate a connection attempt of the Adobe Flash security scanner. If the file is a valid Adobe Flash file it will automatically try to decompile it displaying the findings in the sidebar and the actual source in the right window.

A proficient Flash user can now analyze the code on his own. Everyone else is better of clicking on the Analyze button in the header of the security program. This will analyze the decompiled source code and provide a summary to the user.

hp security

The summary contains a list of vulnerabilities that have been found in the Adobe Flash file. This vulnerabilities mean that the Flash file might be vulnerable to certain exploits. Flash developers can then rewrite part of their application to fix the discovered vulnerabilities. End users on the other hand may be delighted to know that an Adobe Flash file does not contain any of the known vulnerabilities.

SWF Scan is a free download after a mandatory registration at the HP website. It is currently only available for the Microsoft Windows operating system.

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