Silverlight is now more vulnerable than both Flash and Java

Microsoft’s web video and interactive cross-platform content plugin Silverlight is coming under increasing volume of attacks from hackers as of late. As the public awareness of Java and Flash flaws is increasing, Cisco’s security researchers are finding an increasng number of systems affected by attacks focused on exploits of Microsoft’s Silverlight, as users aren’t aware of the increasing proliferation of malware for the platform. Cisco’s researchers say that “Silverlight exploits are also ideal because Silverlight continues to gain rich Internet application market share, perhaps surpassing Java, and Microsoft’s life cycle schedule suggests Silverlight 5 will be supported through October, 2021,” making users of the plugin numerous, and vulnerable. The analysts contine to say that the malware campaign in question “uses a Silverlight file to trigger the same CVE-2013-3896 vulnerability, but packages the exploit differently and attempts obfuscation through AES encryption.” The CVE-2013-3986 exploit was patched in January, but a large percentage of Silverlight users install the package, and never update it, with some installs being two years out of date.