Aug 07, 2024Ravie LakshmananLinux / Vulnerability Cybersecurity researchers have shed light on a novel Linux kernel exploitation technique dubbed SLUBStick that could be exploited to elevate a limited heap vulnerability to an arbitrary memory read-and-write primitive. “Initially, it exploits a timing side-channel of the allocator to perform a cross-cache attack reliably,” a group of academics…

Aug 07, 2024Ravie LakshmananCybersecurity / Incident Response Cybersecurity company CrowdStrike has published its root cause analysis detailing the Falcon Sensor software update crash that crippled millions of Windows devices globally. The “Channel File 291” incident, as originally highlighted in its Preliminary Post Incident Review (PIR), has been traced back to a content validation issue that…

Aug 07, 2024Ravie LakshmananCloud Security / Cyber Espionage An unnamed media organization in South Asia was targeted in November 20233 using a previously undocumented Go-based backdoor called GoGra. “GoGra is written in Go and uses the Microsoft Graph API to interact with a command-and-control (C&C) server hosted on Microsoft mail services,” Symantec, part of Broadcom,…

Aug 07, 2024Ravie LakshmananAndroid / Mobile Security, Cybersecurity researchers have lifted the lid on a new technique adopted by threat actors behind the Chameleon Android banking trojan targeting users in Canada by masquerading as a Customer Relationship Management (CRM) app. “Chameleon was seen masquerading as a CRM app, targeting a Canadian restaurant chain operating internationally,”…

Aug 07, 2024Ravie LakshmananMalware / Software Security Apple on Tuesday announced an update to its next-generation macOS version that makes it a little more difficult for users to override Gatekeeper protections. Gatekeeper is a crucial line of defense built into macOS designed to ensure that only trusted apps run on the operating system. When an…