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Jay Ferron's blog

Vulnerability chain exploits MacOS

Dropbox recently revealed three critical security vulnerabilities in MacOS that would allow execution of arbitrary programs on a target machine triggered just by visiting a webpage. The vulnerabilities were found by the cybersecurity firm Syndis, who were hired for red team exercises on Dropbox’s infrastructure. The three vulnerabilities by themselves were of minimal actual security impact on their own but when chained together could be used to compromise a target machine by simply getting them to visit a webpage.

RID Hijacking

Relative Identifier (RID) Hijacking has recently gained public attention as a simple, novel, and effective technique to maintain persistence on a Windows system after initial compromise. As information security awareness continues to rise in many organizations their overall security posture also increases, especially in larger organizations that can afford it. As a result, many attackers are forced to leverage stealth techniques when targeting these types of companies to bypass security mechanisms.

Zero-day jQuery Exploit

A zero-day exploit in the jQuery file upload tool may have had an open secret for years. A security researcher at Akamai Security Intelligence Response Team (SIRT) by the name of Larry Cashdollar found the exploit designated CVE-20189206. The vulnerability affects the plugin authored by Sabastian Tschan commonly known as “blueimp”. The jQuery File upload is one of the most starred plugins on github next to the jQuery framework itself.

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