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:
- Ex-CIA man named as suspect in Vault 7 leak
May 15, 2018
A former CIA employee has been named as the prime suspect in last year’s dump of thousands of documents on the agency’s hacking practices. A report from The Washington Post cites court documents that name Joshua Adam Schulte as the person authorities think to be behind the massive Vault7 data dump. Read more… Source: The Register
- Shadowy Hackers Accidentally Reveal Two Zero-Days to Security Researchers
May 15, 2018
An unidentified hacker group appears to have accidentally exposed two fully-working zero-days when they’ve uploaded a weaponized PDF file to a public malware scanning engine. The zero-days where spotted by security researchers from Slovak antivirus vendor ESET, who reported the issues to Adobe and Microsoft, which in turn, had them patched within two months. Anton Cherepanov, ...
- Critical Flaws in PGP and S/MIME Tools Can Reveal Encrypted Emails in Plaintext
May 13, 2018
An important warning for people using widely used email encryption tools—PGP and S/MIME—for sensitive communication. A team of European security researchers has released a warning about a set of critical vulnerabilities discovered in PGP and S/Mime encryption tools that could reveal your encrypted emails in plaintext. What’s worse? The vulnerabilities also impact encrypted emails you sent in ...
- Operating Systems Hit By Major Security Flaw
May 10, 2018
Windows, macOS, Linux, VMware, Xen, KVM and others are affected by issues caused by their misinterpretation of chip documentation Most major operating systems are vulnerable to a “serious” security bug caused by developers’ misinterpretation of documentation on debugging features in Intel and AMD chips. The problem is unusual in its scale, affecting Windows, Apple’s macOS, most major ...
- 5 Powerful Botnets Found Exploiting Unpatched GPON Router Flaws
May 10, 2018
Well, that did not take long. Within just 10 days of the disclosure of two critical vulnerabilities in GPON router at least 5 botnet families have been found exploiting the flaws to build an army of million devices. Security researchers from Chinese-based cybersecurity firm Qihoo 360 Netlab have spotted 5 botnet families, including Mettle, Muhstik, Mirai, Hajime, and Satori, ...
- Sierra Wireless Patches Critical Vulns in Range of Wireless Routers
May 8, 2018
Sierra Wireless has patched two critical vulnerabilities for its range of wireless gateways that would leave the enterprise devices helpless to an array of remote threats, including the charms of the Reaper IoT botnet. The more critical of the two (with a 9.4 CVSSv3 Temp Score) is a privilege-escalation bug (CVE-2018-10251), which could allow a remote attacker ...