RSS ze světa hackingu


New Spectre (Variant 4) CPU Flaw Discovered—Intel, ARM, AMD Affected

Security researchers from Microsoft and Google have discovered a fourth variant of the data-leaking Meltdown-Spectre security flaws impacting modern CPUs in millions of computers, including those marketed by Apple. Variant 4 comes weeks after German computer magazine Heise reported about a set of eight Spectre-class vulnerabilities in Intel CPUs and a small number of ARM processors, which may …

Datum: 22. 5. 2018

DNS-Hijacking Malware Targeting iOS, Android and Desktop Users Worldwide

Widespread routers' DNS hijacking malware that recently found targeting Android devices has now been upgraded its capabilities to target iOS devices as well as desktop users. Dubbed Roaming Mantis, the malware was initially found hijacking Internet routers last month to distribute Android banking malware designed to steal users' login credentials and the secret code for two-factor …

Datum: 21. 5. 2018

Nethammer—Exploiting DRAM Rowhammer Bug Through Network Requests

Last week, we reported about the first network-based remote Rowhammer attack, dubbed Throwhammer, which involves the exploitation a known vulnerability in DRAM through network cards using remote direct memory access (RDMA) channels. However, a separate team of security researchers has now demonstrated a second network-based remote Rowhammer technique that can be used to attack systems using …

Datum: 17. 5. 2018

Another severe flaw in Signal desktop app lets hackers steal your chats in plaintext

For the second time in less than a week, users of the popular end-to-end encrypted Signal messaging app have to update their desktop applications once again to patch another severe code injection vulnerability. Discovered Monday by the same team of security researchers, the newly discovered vulnerability poses the same threat as the previous one, allowing remote attackers to inject malicious …

Datum: 16. 5. 2018

Red Hat Linux DHCP Client Found Vulnerable to Command Injection Attacks

A Google security researcher has discovered a critical remote command injection vulnerability in the DHCP client implementation of Red Hat Linux and its derivatives like Fedora operating system. The vulnerability, tracked as CVE-2018-1111, could allow attackers to execute arbitrary commands with root privileges on targeted systems. Whenever your system joins a network, it’s the DHCP client …

Datum: 15. 5. 2018

Hackers Reveal How Code Injection Attack Works in Signal Messaging App

After the revelation of the eFail attack details, it's time to reveal how the recently reported code injection vulnerability in the popular end-to-end encrypted Signal messaging app works. As we reported last weekend, Signal has patched its messaging app for Windows and Linux that suffered a code injection vulnerability discovered and reported by a team of white-hat hackers from Argentina. ! …

Datum: 14. 5. 2018

Adobe Releases Critical Security Updates for Acrobat, Reader and Photoshop CC

Adobe has just released new versions of its Acrobat DC, Reader and Photoshop CC for Windows and macOS users that patch 48 vulnerabilities in its software. A total of 47 vulnerabilities affect Adobe Acrobat and Reader applications, and one critical remote code execution flaw has been patched in Adobe Photoshop CC. Out of 47, Adobe Acrobat and Reader affect with 24 critical vulnerabilities— …

Datum: 14. 5. 2018

Here's How eFail Attack Against PGP and S/MIME Encrypted Emails Works

With a heavy heart, security researchers have early released the details of a set of vulnerabilities discovered in email clients for two widely used email encryption standards—PGP and S/MIME—after someone leaked their paper on the Internet, which was actually scheduled for tomorrow. PGP and S/MIME are popular end-to-end encryption standards used to encrypt emails in a way that no one, not …

Datum: 14. 5. 2018

Critical RCE Flaw Could Hit Apps Built With Electron Framework

A critical remote code execution vulnerability has been discovered in the popular Electron web application framework that could allow attackers to execute malicious code on victims' computers. Electron is an open source app development framework that powers thousands of widely-used desktop applications including WhatsApp, Skype, Signal, Wordpress, Slack, GitHub Desktop, Atom, Visual Studio …

Datum: 14. 5. 2018

Critical Flaws in PGP and S/MIME Tools Can Reveal Encrypted Emails in Plaintext

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 …

Datum: 14. 5. 2018

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