| Flash Tester (and general Flash cheat sheet) |
| Flash Tester (and general Flash cheat sheet) |
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Adobe's Flash Tester
get.adobe.com/flashplayer/about/ (or insecure HTTP)
This site (page really) started as way for me to easily find the main Adobe Flash tester page (links at the top above) which reports both on the installed copy of Flash in your browser and the latest version for assorted operating systems. The version history below lets you judge just how old a given instance of the Flash Player is and how many bug fixes its missing. GOODBYE FLASH
Last News
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OTHER ADOBE FLASH TESTERS Adobe has a second un-named tester page at adobe.com/swf/software/flash/about/flashAbout_info_small.swf that displays the installed version number in a huge font (also available with insecure HTTP). Great for small screens. But, that's all it does, there is no indication of whether the installed version is current or not. If your browser tries to download a file, Flash is not installed. They even have a third tester page they call Flash Player Help (also available via insecure HTTP). This page shows the installed version of Flash and indicates if its the latest version or not. When the installed version is old, it tells you what the latest version is for your browser/OS. That's the good news. The bad news is that it punts on the Chrome browser and IE on Windows 8. In both cases it says that Flash should be updated automatically, so fuggedaboutit, you're fine. In early Feb 2014 it was only displaying the first 3 sections of the Flash version number, which has 4 sections. By September 2014 this bug had been fixed. As of May 2015, the bug was back, it reported only that v17.0.0 was installed. The bug still existed July 15, 2015 (Chrome on Windows 7 reported that version 18.0.0 was installed). Adobe used to have a fourth Flash tester but sometime in Jan 2014 or earlier, it was merged into the above. FLASH HISTORY from Adobe (last updated Nov. 2014)
MY COMPUTERWORLD BLOGS ON FLASH
FLASH PLAYER on CHROME OS (created Oct 15, 2015) I ran into an interesting wrinkle while logged on as a Guest user on a Chromebook. The upside to being a guest user is that you always start with a virgin copy of the operating system. When it comes to blocking Flash, however, this is also a downside. As of Chrome OS version 46 (and probably earlier versions too), Google defaults to "Detect and run important plugin content". At one point, I was viewing a single web page and the Chromebook was sluggish. I used Shift-Escape to bring up the Google Chrome Task Manager and saw that the Flash plugin was using a lot of ram and CPU cycles. I killed the Flash process, but it soon came back even though I was still on the same web page. Annoyingly, if you want to block Flash content by default, Guest users on Chrome OS need to change the plugin action to "Let me choose when to run plugin content" every time they logon. Bah humbug. FLASH PLAYER on WINDOWS (needs to be revised for Windows 10) My Recommendation: (last updated Feb 15, 2015) Windows users should only use Flash in the Chrome browser. I have said this here for years and now it is more true than ever. For one thing, Chrome does a painless (if at times less than perfect) job of keeping the Flash Player up to date with bug fixes. The end user is not told or asked, which, in my opinion, is the way it should be. In addition, Chrome does a better job of sandboxing Flash than either Internet Explorer or Firefox. This too, has been true for a long time, and was illustrated recently when a flaw was exploitable in IE and Firefox but not in Chrome. What's new here is the recommendation to use click-to-play as a defensive tactic in Chrome. Websites that need Flash can still use it, but the end user has to first okay this by clicking on the area of the page devoted to Flash. You can also whitelist some websites. As of Chrome v45, you enable click-to-play with: Settings -> Show Advanced Settings -> Content Settings button -> Plug-ins section -> "Let Me choose when to run plugin content" radio button. HISTORY and BACKGROUND For Windows users with multiple browsers, the Flash player has been a particular annoyance for years because there are multiple copies of it. It is packaged one way for use with Internet Explorer (an ActiveX control) and another way (referred to as the plugin version) for use with Firefox and Opera. Then along came Chrome with its own embedded copy, an idea that Microsoft copied with the desktop edition of Internet Explorer 10 and 11 on Windows 8. The Metro/TileWorld/Modern edition of IE on Windows 8.x does not support Flash. Each packaging of the Flash Player is independent, so one of Adobe's Flash tester pages (linked to above) needs to be run in each installed browser. A Windows user with IE, Firefox and Chrome can have three copies of the Flash Player and each can be at a different version. What a mess. For many years the update procedure for Flash was manual, rather than automatic. Now (December 2014) that things are more automated, the problem is inconsistency. Each Windows browser self-updates Flash using a different mechanism. Internet Explorer, in its never-ending quest to be the worst option, updates Flash one way on Windows 7 and a different way on Windows 8.x. On Windows 8, Flash in IE10 and 11 is updated with Windows Update. On Windows 7, IE10 and IE11 depend on Adobe rather than Microsoft. The Flash Player has its own, optional, self-update mechanism (first introduced in the summer of 2012). This same Adobe-provided mechanism is used by Firefox. Chrome has always been the best at this, despite some potholes along the way. It updates Flash along with the browser itself, silently and reasonably quickly. The portable version of Chrome is an exception. When run stand-alone (that is, without the PortableApps.com Platform) it does not self-update at all. The potholes I referred to above are a reference to Google's use of their component updating system for the Flash player. This software updating scheme is separate and distinct from the updating mechanism used for the rest of the browser. My experience has been that Flash updates via the component system roll out much slower. Thus, vulnerable Flash software remains installed much longer than it used to. See my October 2013 blog on this Chrome browser on Windows fails to update embedded Flash player. It is not clear to me that Google always uses their component mechanism for updating Flash. Recently (Nov. 2014) Flash updates have appeared in Chrome fairly quickly. To see the version of Flash, and all plugins used by Chrome, enter chrome://plugins in the address bar. For full details on just Flash enter chrome://flash in the address bar. I am a huge fan of the portable edition of Firefox. As a rule, it picks up the same copy of Flash that a normally installed copy of Firefox does. However, I have run across portable copies of Firefox with their own embedded copy of Flash. Portable Firefox users should update Flash in the same way you would for a normally installed copy of Firefox and then verify each portable instance of Firefox at Adobe's tester page. Oct 2012: One issue with IE 10 and 11 using Windows Update to deliver Flash player updates is that Microsoft normally releases updates once a month. If Flash needs to be updated immediately, Microsoft may be reluctant to break from their schedule. In a Sept. 2012 article, Ed Bott griped that Microsoft had not updated IE10 with the latest Flash patches: Microsoft puts Windows 8 users at risk with missing Flash update. In fairness, Windows 8 had not been released at the time. Another 2012 article on this, one which did a good job putting things in perspective is Adobe confirms Windows 8 users vulnerable to active Flash exploits by Gregg Keizer in Computerworld. Manually un-installing the Flash browser plugins for IE and Firefox It is normally not necessary to manually remove an old version of the Flash Player plugin before installing a new version. Still, I suggest doing so, to verify that the un-install worked before upgrading. Windows users can un-install Flash from the Control panel list of installed software - look for two versions (ActiveX and plugin) and remove each. Again, this is, limited, as it does not remove the copies of Flash embedded in other software such as Chrome and the Adobe Reader. Should something go wrong with the un-install (it's happened to me, see an example), Adobe offers downloadable uninstallers for Windows and Macs in their TechNote tn_14157. PepperFlash August 19, 2012: On July 31, 2012 Chrome on Windows was converted from using an included Flash Player with an NPAPI interface to one with a PPAPI interface. The PPAPI version is newer and safer, that is, it is better sandboxed. Google refers to the PPAPI version of the Flash Player as Pepper Flash. The Pepper Flash interface is used on Windows, Linux and Chrome OS. OS X, however, is still using the older NPAPI interface for the Flash player plugin. For more, see my blog Explaining the confusion over Flash versions.Sometime between September and December of 2012 OS X was upgraded to a Pepper-based Flash Player. Flash in the Adobe Reader and other software Outside of the installed copies of Flash that the Operating System is aware of, and outside of Chrome, Flash is also embedded in other software. Popular programs that include their own embedded copies of the Flash Player are the Adobe Reader versions 9 and 10 (Flash is not included with the Adobe Reader version 8) and Adobe Acrobat. Other software with its own copy of Flash includes Adobe AIR, Adobe Shockwave (see Dec. 2012 warning of vulnerability), Adobe Flash Professional and Adobe Flex. Flash is also used by AOL Instant Messenger and Microsoft Office. In fact, malicious Flash files have been embedded inside Office documents as part of a phishing attack. I don't know which version of the Flash player is picked up by Office apps. All these copies are not necessarily patched at the same time by Adobe. More than once the workaround for a vulnerable embedded copy of Flash in Reader and Acrobat has been to rename, move or delete a file. For more on this see Security Advisory for Adobe Flash Player, Adobe Reader and Acrobat, look for the MITIGATIONS section. This is true for both Adobe Reader version 9 and X. Here is a brief summary:
Update: April 25, 2012. Things are changing here. See what Adobe says. In brief: Starting with the Reader and Acrobat 9.5.1 updates, Adobe Reader and Acrobat 9.x on Windows and Macintosh use the installed Flash Player plugin for Firefox/Opera. No more Authplay. Adobe Reader 9.x users no longer have to update Adobe Reader each time there is an update to Flash. If the Firefox version of Flash is not installed and you open a PDF file that includes Flash (SWF) content, a dialog will prompt the user to install the latest Flash Player. Adobe is working on doing the same with Adobe Reader X. Opera on Windows I don't use Opera. According to Adobe it uses the plugin version of Flash that Firefox uses.
Flaws in Adobe's warning to update Flash  November 11, 2014: I wrote the below text in this section many years ago. Yet, news broke today about updates to the Flash Player being used for years to infect "high value" guests at hotels. See
The warning above that a new version of Flash is available is flawed for these reasons:
Regarding point 3 above, on Windows XP SP3, the last time I checked, Process Explorer showed that the warning came from program NPSWF32_FlashUtil.exe running out of C:\WINDOWS\system32\Macromed\Flash. In June 2011 on a Windows 7 64 bit system, the program displaying the window touting a Flash update was FlashUtil10q_Plugin.exe running out of C:\Windows\SysWOW64\Macromed\Flash. The program identified itself as "Adobe� Flash� Player Installer/Uninstaller 10.3 r181" but it was not signed, so we can't know if it really came from Adobe or not. This may change over time, so I'd key off the Window Title column in Process Explorer to see the source process. Flash Player on Android Since this is no longer supported (the last bug fix was issued Sept. 2013) notes about this have been moved here. Flash Player on a Mac As on Windows, there are can be multiple versions of Flash concurrently installed on OS X. To illustrate, in April 2016, Flash for Firefox and Safari (NPAPI) was at version 21.0.0.226. Flash for Chrome (PPAPI) was version 21.0.0.216 and Flash for Opera (PPAPI) was version 21.0.0.213. For instructions on how to install the Flash Player on OS X, as well as troubleshooting, see Flash Player installation problems on OS X from Adobe. Can't remember URLs? Another way to get to Adobe's flash tester page is to right click on a Flash movie in a web page and select "About Adobe Flash Player". Mozilla offers a plugin checker that works with Firefox and other browsers. As a rule, I wouldn't use it. It gets automatically invoked when Firefox itself is updated and this can be a good thing, as it warns of outdated instances of the Flash player. But, bad guys create fake pages that mimic these warnings, so you can't blindly trust them. Always check at Adobe's official Flash tester page. Windows users can check the installed version of the Flash player in the control panel. In XP, go to Add or Remove Programs, click on the Flash player, then click on "click here for support informaton". In Windows 7 and 8, the version number is displayed as part of the list of installed software under Programs and Features. Vista users seem to be out of luck. This does not, however, tell you what the latest Flash version is. And, it doesn't tell you about copies of Flash embedded in other applications (i.e. Chrome, the Adobe Reader). Flash Self-Update Checking The self-update capability of the Flash player is poor. In terms of frequency, the best it can do is check for updates every 7 days. In terms of completeness, I believe it only reports on Flash used by web browers. That is, I don't think it warns about copies of the Adobe Reader with an old version of Flash embedded. The Adobe Reader and the Flash player browser plugin are updated in different and independant ways. In addition, the Flash player has incorrectly warned me about outdated software. It seems to check, find an old version and then warn you the next time Windows boots up. By then, of course, the Flash player may well be up to date. And, as with Firefox's warning about the need to upgrade, this notification has also been spoofed by bad guys in an attempt to trick unwary users into installing malicious software. Bottom line: don't believe any notices about available updates to the Flash player, always check with Adobe's Flash tester page. To configure how often the Flash player checks for udpates, go to a Macromedia.com hosted web page called the Notifications panel. Note: you can prevent Flash from checking for updates in two ways. The first is a simple checkbox on the Notifications Panel. An Adobe TechNote, IT Administration: Configuring Flash Player auto-update notification explains another way, one involving a file called mms.cfg, but this TechNote seems to have been abandoned. It was last updated in April 2008 (as of Aug. 18, 2010) and doesn't even mention Windows 7. FYI When all else fails, see Archived Flash Player versions from Adobe. Adobe has a forum for help with the Flash Player at forums.adobe.com/community/webplayers/flash_player A section of the above forum is dedicated to Installing the Flash Player About updating Adobe Flash Player from Adobe Flash Player Help and Support from Adobe The Flashblock extension for Firefox has been downloaded 9.4 million times (as of September 13, 2010). There's a Flashblock for Chrome too. Adobe also has another Flash tester page, Version Test for Adobe Flash Player, but as of July 3, 2010, 24 days after a new version had been released, it still listed an older version as being current. I checked again on September 22, 2010 and it no longer reports the latest version of Flash, only the installed version. See my assorted notes on Flash Cookies (last updated November 2014) OTHER SITES Find out about the latest South African online casinos and where to dice on your money. Handpicked SA Casinos Only. |
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