News • Insights • Analysis
We discovered a vulnerability in macOS rooted in the Core Virtual Machine Server (CVMServer). The vulnerability, labeled CVE-2021-30724, is triggered by an integer overflow leading to an out-of-bounds memory access, from which point privilege escalation can be attained. It affects Read More …
In May of 2021, Microsoft released a patch to correct CVE-2021-31181 – a remote code execution bug in the supported versions of Microsoft SharePoint Server. This bug was reported to the ZDI program by an anonymous researcher and is also Read More …
Hewlett Packard Enterprise (HPE) has fixed a critical zero-day remote code execution (RCE) flaw in its HPE Systems Insight Manager (SIM) software for Windows that it originally disclosed in December. HPE SIM is a tool that enables remote support automation Read More …
A new ransomware threat calling itself Red Epsilon has been seen leveraging Microsoft Exchange server vulnerabilities to encrypt machines across the network. Epsilon Red ransomware attacks rely on more than a dozen scripts before reaching the encryption stage and also Read More …
Mandiant published detailed results of our investigations into compromised Pulse Secure devices by suspected Chinese espionage operators. This blog post is intended to provide an update on our findings, give additional recommendations to network defenders, and discuss potential implications for Read More …
Certified portable document format (PDF) files are used to securely sign agreements between two parties while keeping the contents’ integrity protected, but a new report found the security protections on most certified PDF applications were inadequate and left organizations exposed Read More …
Back In February, Ubiquiti released a new firmware update for the Ubiquiti EdgeRouter, fixing CVE-2021-22909/ZDI-21-601. The vulnerability lies in the firmware update procedure and allows a man-in-the-middle (MiTM) attacker to execute code as root on the device by serving a Read More …
Attackers could abuse vulnerabilities discovered in the Bluetooth Core and Mesh Profile specifications to impersonate legitimate devices during the pairing process and launch man-in-the-middle (MitM) attacks. The Bluetooth Core and Mesh Profile specifications define requirements needed by Bluetooth devices to Read More …
Apple has patched a hole in macOS that has been exploited by malware to secretly take screenshots on victims’ Macs. The security flaw can also be potentially abused to access files and record video and audio from the computer. The Read More …
Every hour, a threat actor starts a new scan on the public web for vulnerable systems, moving at a quicker pace than global enterprises when trying to identify serious vulnerabilities on their networks. The adversaries’ efforts increase significantly when critical Read More …
