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Showing posts with label Adobe. Show all posts
Showing posts with label Adobe. Show all posts

Thursday, 5 August 2010

Critical Adobe Reader Flaw Virtually Ignored

Posted on 19:31 by Unknown
If a tree falls in the woods and there's no one there to hear it, does it still make a sound? Such is the conundrum faced by philosophers for generations.

What if a critical flaw in Adobe Reader was demonstrated before a group of security professionals at the Black Hat conference and none of them made a sound, either?

That's what Charlie Miller must be thinking. He's the security expert that presented the vulnerability at Black Hat. His lament?

"Adobe security is so bad that […] not a single person tweeted it. Sad."

Adobe has acknowledged the flaw and is said to be working on a fix. Whether the patch is released out of band or at Adobe's next scheduled quarterly security release remains to be seen. Also unclear is the list of versions impacted by the vulnerability. The only good news is that there are no reports of exploits in the wild.

Some question how many more security blows Adobe can endure before going down for the count. My response is to look at Microsoft's track record. Many years into their latest secure coding push, Redmond is scheduled to release 14 patches to close 34 vulnerabilities in their August 2010 Bulletin Release. This mandates a massive amount of testing and deployment for enterprise customers, yet Windows is still the dominant operating system and office suite. The cost of switching away is substantial due to user training, infrastructure, and application impacts that it's almost cheaper to stick with the ugliness you know.

The same holds true for Adobe. It's the PDF reader with the most saturation, and not just among corporate environments. Home users are virtually guaranteed to have Adobe Reader installed on their systems, even though fully functional alternatives exist. Many have found Reader installed as a bundled offering from another application. The home user is also more likely to have an unpatched operating system and outdated software offerings, making exploit trivial. Antivirus protection? Please.

Adobe's install base and numerous versions places the company in the same predicament as Microsoft. There's a lot of old, insecure stuff out there, and even offering an automatic update solution only partially solves the problem. If Adobe can get 80% of the vulnerable installs patched, that still leaves hundreds of thousands, perhaps millions, of ripe targets out there. And when the next critical Adobe flaw appears - and you know it's when, and not if - the hamster wheel spins again.

My advice is the same as always. Dump Adobe products for less target-rich alternatives. A simple Google search on PDF readers will return scores of options onto your screen. Be sure to completely uninstall any Adobe software currently on your machine, being wary of third-party apps that might have plunked down some version while you whistled through a boring install routine. If in doubt, use Task Manager to look for processes associated with Adobe products.

Otherwise, abandon hope all ye who enter Adobeville. Like another Scream sequel, this will not end well.





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Posted in Adobe, vulnerability | No comments

Thursday, 10 June 2010

Adobe Flash Player Update Fixes 32 Security Flaws

Posted on 18:08 by Unknown
It should tell you something that Adobe's latest Flash Player update, released in response to ongoing exploits of a particular vulnerability, actually plugs 32 holes in the buggy software.

The Metasploit Framework has code that targets the critical flaw previously reported, so don't mess around in getting this update installed. You'll need to run the update for each browser on your system, so if you use Internet Explorer and Firefox, remember to update both.

You can test which version of Flash Player is currently installed by visiting this site with each of your browsers. You can then download and install the correct version at the Flash Player Download page.

If you'd like more information about Adobe's security struggles, check out the following posts:

Critical Adobe Flaw Being Exploited In The Wild - Again

Adobe Reader and Internet Explorer: Most Attacked

The Adobe Attacks Keep On Coming

Adobe To Fix Flash Flaws This Week

Another Day, Another Adobe Zero-Day Exploit




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Saturday, 5 June 2010

Critical Adobe Flaw Being Exploited in the Wild - Again

Posted on 09:49 by Unknown
Adobe systems is reporting that a critical vulnerability affecting Adobe Acrobat, Reader, and Flash is actively being exploited in the wild.

The previously unknown flaw could crash a user's system or result in the attacker taking full control of the affected machine.

Adobe's current advice is for users to delete, rename, or remove access to the “authplay.dll” file included in both Reader and Acrobat while Adobe works on an official patch. This may not be fully effective, given that other programs may also drop this key .dll file during installation.

From the Adobe Product Security Incident Response Team blog:

A Security Advisory has been posted in regards to a new Adobe Reader, Acrobat and Flash Player issue (CVE-2010-1297). A critical vulnerability exists in Flash Player 10.0.45.2 and earlier versions for Windows, Macintosh, Linux and Solaris operating systems, and the authplay.dll component that ships with Adobe Reader and Acrobat 9.x for Windows, Macintosh and UNIX operating systems. This vulnerability could cause a crash and potentially allow an attacker to take control of the affected system. There are reports that this vulnerability is being actively exploited in the wild against both Adobe Flash Player, and Adobe Reader and Acrobat.

I've written often about Adobe's struggle with securing their product sets, and this is yet another instance where consumers are left to essentially fend for themselves.

Given the Advanced Persistent Threat environment which has developed, third-party peripheral applications continue to be seen by attackers as low-hanging fruit as they seek attack vectors to compromise consumer and corporate hosts. Adobe products are often targeted because of the ease with which they can exploited, combined with a heavy deployment saturation and poor updating practices by home users and enterprise IT departments, to the point where Adobe recently implemented code to install updates and versions automatically.

I've said it before, and I'm saying it again. Get off of Adobe products if at all possible. You can limit your attack surface by 2/3 if you simply move to an alternate .pdf file creater/reader application, and there are many free programs out there.

For now, try to implement the mitigation Adobe recommends if you can't uninstall the products, and wait for a patch.

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Posted in Adobe, exploit, vulnerability | No comments
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