A newly discovered vulnerability in AMD chips allows malicious actors to perform remote code execution (RCE) and privilege escalation in virtual machines.
Cybersecurity researchers from the CISPA Helmholtz Center for Information Security in Germany detailed a vulnerability they named StackWarp, a hardware vulnerability in AMD CPUs that breaks the protections of confidential virtual machines, by manipulating how the processor tracks the stack, and letting a malicious insider or hypervisor change program flow or read sensitive data inside a protected VM.
Read more…
Source: Techradar News
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- CVE-2021-22909- Digging Into A Ubiquiti Firmware Update Bug
May 25, 2021
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 malicious firmware image when the system performs an automatic firmware update. The vulnerability was discovered ...
- VMware warns of critical bug affecting all vCenter Server installs
May 25, 2021
VMware urges customers to patch a critical remote code execution (RCE) vulnerability in the Virtual SAN Health Check plug-in and impacting all vCenter Server deployments. “These updates fix a critical security vulnerability, and it needs to be considered at once,” said Bob Plankers, Technical Marketing Architect at VMware. Read more… Source: Bleeping Computer
- Bluetooth flaws allow attackers to impersonate legitimate devices
May 24, 2021
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 communicate with each other and for Bluetooth devices using low energy wireless technology to enable interoperable ...
- Apple patches macOS flaw exploited by malware to secretly snap screenshots
May 24, 2021
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 iGiant has also released iOS and iPadOS 14.6, which fixes 43 CVE-listed security flaws and adding ...
- Here’s how we got persistent shell access on a Boeing 747 – Pen Test Partners
May 21, 2021
Researchers from infosec biz Pen Test Partners established a persistent shell on an in-flight entertainment (IFE) system from a Boeing 747 airliner after exploiting a vulnerability dating back to 1999. It’s an attack that’s more of a curiosity than anything else: it’s too difficult to pull off during an actual flight, and it’s rare these days ...
- Open Source Vulnerabilities Converging DevOps & SecOps
May 20, 2021
Workplace evolution is in favor of traditional siloes being torn down and replaced with increased cross-functional collaboration, working in lockstep to deliver better outcomes. But it is not as easy as it sounds. Security and development teams have historically worked in siloes, which has created a long- standing disconnect between them. Both teams are responsible for ...