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    Archive for the ‘Exploits’ Category




    Adobe may have already patched a Flash Player vulnerability last week, but several users—especially those in the US, Canada, and the UK —are still currently exposed and are at risk of getting infected with CryptoWall 3.0. The Magnitude Exploit Kit included an exploit, detected as SWF_EXPLOIT.MJTE, for the said vulnerability, allowing attackers to spread crypto-ransomware into their target systems. We first saw signs of this activity yesterday, June 15, through our monitoring of threat intelligence from the Trend Micro™ Smart Protection ...




    Our analysis of the win32k.sys vulnerability used in a recent targeted attack reveals that it opens up an easy way to bypass the sandbox, making it a bigger threat than originally thought. As mentioned in Microsoft security bulletin MS15-051, CVE-2015-1701 is an elevation of privilege vulnerability that exists when the Win32k.sys kernel-mode driver improperly handles objects in memory. The vulnerability exists in Win32k.sys, which is a weak security point in Windows. Elevation of privilege vulnerabilities are technically less dangerous since they can't be ...




    One of the vulnerabilities recently patched by Microsoft can be exploited in the same way as Heartbleed, and needs to be addressed immediately. Addressed in the April batch of Patch Tuesday fixes (in Microsoft Security Bulletin MS15-034, specifically), the Microsoft Windows HTTP.sys Integer Overflow vulnerability, or CVE-2015-1635, is a remote code execution vulnerability that exists in HTTP.sys, or the HTTP protocol processing module in Microsoft Internet Information Service. Integer overflows have long been known as one kind of notorious and fairly old vulnerability – so why ...

    Posted in Exploits, Vulnerabilities |



    We have found an interesting discrepancy in how the Angler exploit kit targets Adobe Flash. The Angler exploit kit is known for its use of various Adobe Flash Player exploits. Reports have indicated that Angler has started targeting CVE-2015-0359, a vulnerability that was fixed in Adobe's April 2015 update. CVE-2015-0359 is a race condition vulnerability that occurs because ByteArray::Write is not thread-safe, and it requires many workers to trigger. However, in the sample that we analyzed, the current exploit used by Angler is a use-after-free (UAF) ...




    We have detected through feedback from the Trend Micro™ Smart Protection Network™ that the Nuclear Exploit Kit has been updated to include the recently fixed Adobe Flash Player vulnerability identified as CVE-2015-0336. We first saw signs of this malicious activity on March 18 this year. This particular vulnerability was only recently fixed as part of Adobe's regular March update for Adobe Flash Player which upgraded the software to version 17.0.0.134. However, our feedback indicates that many users are still running the previous ...

    Posted in Bad Sites, Exploits, Malware | Comments Off on Freshly Patched Flash Exploit Added to Nuclear Exploit Kit


     

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