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:
- Microsoft: Kubernetes clusters hacked in malware campaign via PostgreSQL
January 9, 2023
The Kinsing malware is now actively breaching Kubernetes clusters by leveraging known weaknesses in container images and misconfigured, exposed PostgreSQL containers. While these tactics aren’t novel, Microsoft’s Defender for Cloud team reports they have seen an uptick lately, indicating that the threat actors are actively looking for specific entry points. Kinsing is a Linux malware with a ...
- Chinese researchers’ claimed quantum encryption crack looks unlikely
January 7, 2023
Briefly this week, it appeared that quantum computers might finally be ready to break 2048-bit RSA encryption, but that moment has passed. The occasion was the publication of an academic paper by no less than two dozen authors affiliated with seven different research institutions in China. The paper, titled “Factoring integers with sublinear resources on a superconducting ...
- CISA Releases Three Industrial Systems Control Advisories
January 5, 2023
CISA released three Industrial Control Systems (ICS) advisories on January 5 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations: ICSA-23-005-01 Hitachi Energy UNEM ICSA-23-005-02 Hitachi Energy FOXMAN-UN Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency
- Fortinet Releases Security Updates for FortiADC
January 4, 2023
Fortinet has released a security advisory to address a vulnerability in multiple versions of FortiADC. This vulnerability may allow a remote attacker “to execute unauthorized code or commands via specifically crafted HTTP requests.” CISA encourages users and administrators to review Fortinet security advisory FG-IR-22-061 and apply the recommended updates. Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency
- Rackspace confirms Play ransomware was behind recent cyberattack
January 4, 2023
Texas-based cloud computing provider Rackspace has confirmed that the Play ransomware operation was behind a recent cyberattack that took down the company’s hosted Microsoft Exchange environments. This follows a report last month by cybersecurity firm Crowdstrike, which detailed a new exploit used by the ransomware group to compromise Microsoft Exchange servers and gain access to a ...
- Netgear warns users to patch recently fixed WiFi router bug
December 29, 2022
Netgear has fixed a high-severity vulnerability affecting multiple WiFi router models and advised customers to update their devices to the latest available firmware as soon as possible. The flaw impacts multiple Wireless AC Nighthawk, Wireless AX Nighthawk (WiFi 6), and Wireless AC router models. Although Netgear did not disclose any information about the component affected by this ...

