One-Third Ain't Bad

Of the Oracle vulnerabilities patched yesterday, HP's Zero Day Initiative (ZDI) researchers were responsible for 33% of Java's most critical issues (CVSS = 10.0) and an additional one resolves an issue with Oracle's Middleware technology. All of the corrected Java vulnerabilities allow attackers to bypass the sandbox and execute attacker controlled code.

 

Several of the Java sandbox bypasses being patched utilize unsafe reflection vulnerabilities to gain code execution. Unsafe reflection vulnerabilities are one of the most popular weaknesses being used by Java malware today. HP ZDI recommends that end-users deploy these patches as soon as possible to minimize the risks being highlighted.  Remember, end-users are not the only people analyzing the patches released yesterday.  Attackers have likely begun reverse engineering the patches and writing proof-of-concepts to trigger the corrected vulnerabilities.

 

For more detailed information about the vulnerabilities attributed to ZDI researchers, check out our published advisory page (http://zerodayinitiative.com/advisories/published/). Since the beginning of 2013, we have successfully disclosed 250 security advisories in widely deployed applications and high value enterprise software products.

 

As always, HP's Zero Day Initiative looks forward to analyzing (and purchasing) the next set of fresh Java vulnerabilities that will come into the program over the next several weeks.  

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