Posts in "Threat Research"

Browser-based CVE-2015-3864 Metasploit Module Now Available for Testing

By:Zuk Avraham Follow Zuk Avraham (@ihackbanme)Joshua Drake Follow Joshua Drake (@jduck) Last year, we disclosed a series of critical vulnerabilities within Android’s multimedia processing code — libstagefright. We promised to release the exploit for testing purposes and quickly published our exploit for CVE-2015-1538 targeting the Galaxy Nexus running Android 4.0.4. We delivered this exploit via … Read More

What is Quadrooter?

‘Quadrooter’ is a group of four vulnerabilities affecting  specific Android devices leveraging the Qualcomm chipset and associated driver code. These four vulnerabilities are a small part of the 36 vulnerabilities reported from the same class of bug (privilege escalation) for the same vendor (Qualcomm) that were fixed as part of August 5th Android Nexus monthly … Read More

Will the Real Hummer Trojan Please Stand Up?

Several researchers have reported on the discovery of Hummer Trojan, as one calls it, or HummingBad as another calls it. Another said it was also known as Shedun. Zimperium’s customers are safe from this recently discussed threat even before these threats were published. The attack was detected through our z9 machine learning engine without requiring … Read More

Stagefright: One Year Later

It’s been exactly one year since Joshua J. Drake, our zLabs VP of Platform Research and Exploitation, disclosed Stagefright — one of the worst Android vulnerabilities to date. Stagefright impacted nearly 1 billion Android devices total, and up to 850 million devices remain vulnerable as of March 2016. Stagefright gives attackers, armed with only a … Read More