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:
- Vulnerability Spotlight: Buffer overflow vulnerability in AnyCubic Chitubox plugin
January 10, 2022
Cisco Talos recently discovered an exploitable heap-based buffer overflow vulnerability in the Chitubox AnyCubic plugin. Chitubox is 3-D printing software for users to download and process models and send them to a 3-D printer. The specific AnyCubic plugin allows the software to convert the output of the Chitubox slicer (general format files) into the format expected ...
- JFrog researchers find JNDI vulnerability in H2 database consoles similar to log4shell
January 6, 2022
Security researchers from JFrog said on Thursday that they discovered a critical JNDI-based vulnerability in the H2 database console exploiting a root cause similar to Log4Shell. The CVE hasn’t been posted by NIST but will be assigned CVE-2021-42392. In a blog post, the company said that CVE-2021-42392 should not be as widespread as Log4Shell even though ...
- Apple iPhone Malware Tactic Causes Fake Shutdowns to Enable Spying
January 6, 2022
In the world of mobile malware, simply shutting down a device can often wipe out any bad code, given that persistence after rebooting is a challenge for traditional malicious activity. But a new iPhone technique can hijack and prevent any shut-down process that a user initiates, simulating a real power-off while allowing malware to remain ...
- Log4j flaw attack levels remain high, Microsoft warns
January 4, 2022
Microsoft has warned Windows and Azure customers to remain vigilant after observing state-sponsored and cyber-criminal attackers probing systems for the Log4j ‘Log4Shell’ flaw through December. Disclosed by the Apache Software Foundation on December 9, Log4Shell will likely take years to remediate because of how widely the error-logging software component is used in applications and services. Microsoft warns ...
- FTC warns companies to remediate Log4j security vulnerability
January 4, 2022
Log4j is a ubiquitous piece of software used to record activities in a wide range of systems found in consumer-facing products and services. Recently, a serious vulnerability in the popular Java logging package, Log4j (CVE-2021-44228) was disclosed, posing a severe risk to millions of consumer products to enterprise software and web applications. This vulnerability is ...
- Examining Log4j Vulnerabilities in Connected Cars and Charging Stations
December 23, 2021
Since its disclosure on Dec. 9, a vast number of articles have been written on the remote code execution (RCE) vulnerability in the library Apache Log4j — a reflection of its impact. The library is used by innumerable programs to easily release log statements without modifying the code. This means that it has an expansive ...