Critical Microsoft Defender Bug Actively Exploited; Patch Tuesday Offers 83 Fixes

Microsoft addressed 10 critical bugs, one under active exploit and another publicly known, in its January Patch Tuesday roundup of fixes. In total it patched 83 vulnerabilities. The most serious bug is a flaw in Microsoft’s Defender anti-malware software that Read More …

Windows PsExec zero-day vulnerability gets a free micropatch

A free micropatch fixing a local privilege escalation (LPE) vulnerability in Microsoft’s Windows PsExec management tool is now available through the 0patch platform. PsExec is a fully interactive telnet-replacement that allows system admins to execute programs on remote systems. PsExec Read More …

Zero-click iOS zero-day found deployed against Al Jazeera employees

At least 36 Al Jazeera journalists, producers, anchors, and executives, along with a journalist at London-based Al Araby TV, had their iPhones hacked using a no-user-interaction zero-day vulnerability in the iOS iMessage app, an academic research group said today. Citizen Read More …

German COVID-19 Contact-Tracing Vulnerability Allowed RCE

A security vulnerability in the infrastructure underlying Germany’s official COVID-19 contact-tracing app, called the Corona-Warn-App (CWA), would have allowed pre-authenticated remote code execution (RCE). Researcher Alvaro Muñoz wrote in a report this week that he and his team at GitHub Read More …

APT10: Japan-Linked Organizations Targeted in Long-Running and Sophisticated Attack Campaign

A large-scale attack campaign is targeting multiple Japanese companies, including subsidiaries located in as many as 17 regions around the globe in a likely intelligence-gathering operation. Companies in multiple sectors are targeted in this campaign, including those operating in the Read More …

CVE-2020-17051: Remote kernel heap overflow in NFSv3 Windows Server

Microsoft released a patch today for a critical vulnerability (CVE-2020-17051) in the Windows NFSv3 (Network File System) server. NFS is typically used in heterogenous environments of Windows and Unix/Linux for file sharing. The vulnerability can be reproduced to cause an Read More …