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Websense Security Labs™ Websense ThreatSeeker® Intelligence Cloud has discovered that attacks utilizing the most recent Internet Explorer 0-day (CVE-2013-3893) are more prevalent than previously thought. In this write up we shall analyze the exploit code and perform analysis on the dropped malicious file.
Another new vulnerability found in Microsoft Internet Explorer affects Internet Explorer versions 8, and 9 and used in a wild by cybercriminals, also specific configurations of Internet Explorer 6, 7, 8, 9, 10 and 11 are also potentially vulnerable. The vulnerability allows attackers to execute code on a machine by just having the user visit a malicious website. This can happen, for example, when the user is tricked into clicking a link in an email or via compromised legitimate websites.
“Patch Java and you’ll be protected against Java threats”
We seem to hear this constantly, not just in the last few months, but for years. Way back in Nov. 2011, we were told that if we had Java 6 Update 29 or Java 7 update 1, we wouldn’t be vulnerable to the security weaknesses in the headlines. Yet, with each update vulnerabilities continue to be discovered and exploited. We even had two Java 0-day exploits included in kits before Oracle had patches prepared. Yet despite the patches, we continue to hear about new vulnerabilities...
So what to do? Based on my discussions with other pros and my own experience I’ll be presenting a series on how to mitigate Java risks to protect your endpoints. We’ll look at: Proactive; Immediate; and Long-Term prophylactic measures. Here’s what you can start acting on now:
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