Apple Security Updates Target Mac OS X Leopard, Flashback TrojanBy Baselinemag | Posted 2012-05-16 Email Print
Apple released two updates on May 14 to remove older versions of Adobe Flash Player and thwart the infamous Flashback Trojan.
Apple released a pair of security updates Monday for Mac OS X 10.5 to disable outdated versions of Adobe System's Flash Player and fight off Flashback infections.
The Flashback Trojan was at the center of news reports last month when it was discovered attackers had used it to build a botnet of more than 550,000 Mac computers. The malware spread by exploiting a now-patched vulnerability in Java. In response to the attacks, Apple released an update to remove Flashback infections on Mac OS X Lion (10.7) and Mac OS X Snow Leopard (10.6) last month.
If the Flashback malware is found, it presents a dialog notifying the user that malware was removed, Apple stated in an advisory about the Flashback removal tool. There is no indication to the user if malware is not found.
The removal tool also disables the Java plug-in for the Safari browser. Instructions on how to re-enable it can be found here.
In addition, Apple also released an update that removed versions of Flash Player older than 10.1.102.64. That version of Flash Player was released by Adobe in November 2010. The update presents the opportunity to install a new version of Flash from the Adobe website. If Adobe Flash Player 10.1.102.64 or older is found, the update moves the files to a new directory, according to Apple.
"This additional level of protection when it comes to Safari users running Flash is good to see as Adobe's software is so frequently exploited by malware authors and malicious hackers to infect web surfers," blogged Graham Cluley, senior technology consultant at Sophos.
"It's encouraging to see Apple has not left users of this older version of the Mac OS X operating system completely out in the cold when it comes to protecting against the latest threats," he added. "Clearly they realize that it's not good for the Apple Mac's image if older computers connected to the internet are harboring malware that could cause problems for others in the Mac community."
Brad Arkin, director of product security and privacy at Adobe, opined that the single most important advice the company gives to users is to stay up-to-date and applauded Apple for pushing the update out to users.
"The vast majority of users who ever encountered a security problem using Adobe products were attacked via a known vulnerability that was patched in more recent versions of the software," he blogged.
To read the original eWeek article, click here: Apple Security Updates Targets Mac OS X Leopard, Flashback Trojan
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