RSS ze světa hackingu


New JavaScript Exploit Can Now Carry Out DDR4 Rowhammer Attacks

Academics from Vrije University in Amsterdam and ETH Zurich have published a new research paper describing yet another variation of the Rowhammer attack. Dubbed SMASH (Synchronized MAny-Sided Hammering), the technique can be used to successfully trigger the attack from JavaScript on modern DDR4 RAM cards, notwithstanding extensive mitigations that have been put in place by manufacturers over the…

Datum: 14. 4. 2021

Simplify, then Add Lightness – Consolidating the Technology to Better Defend Ourselves

One of the biggest consequences of the rapidly evolving cybersecurity threat landscape is that defenses must constantly build bigger systems to defend themselves.  This leads to both more complex systems and often less communication between them. More importantly, it can lead companies to invest in disparate “best in class” components instead of finding the best fit for their needs. The constant…

Datum: 14. 4. 2021

2 New Chrome 0-Days Under Attack — Update Your Browser ASAP!

Google on Tuesday released a new version of Chrome web-browsing software for Windows, Mac, and Linux with fixes for two security vulnerabilities, both of which it says are under active exploitation. One of the two flaws concerns an insufficient validation of untrusted input in its V8 JavaScript rendering engine (CVE-2021-21220), which was demonstrated by Dataflow Security's Bruno Keith and…

Datum: 14. 4. 2021

NSA Discovers New Vulnerabilities Affecting Microsoft Exchange Servers

In its April slate of patches, Microsoft rolled out fixes for a total of 114 security flaws, including an actively exploited zero-day and four remote code execution bugs in Exchange Server. Of the 114 flaws, 19 are rated as Critical, 88 are rated Important, and one is rated Moderate in severity. Chief among them is CVE-2021-28310, a privilege escalation vulnerability in Win32k that's said to be…

Datum: 14. 4. 2021

New NAME:WRECK Vulnerabilities Impact Nearly 100 Million IoT Devices

Security researchers have uncovered nine vulnerabilities affecting four TCP/IP stacks impacting more than 100 million consumer and enterprise devices that could be exploited by an attacker to take control of a vulnerable system. Dubbed "NAME:WRECK" by Forescout and JSOF, the flaws are the latest in series of studies undertaken as part of an initiative called Project Memoria to study the security…

Datum: 13. 4. 2021

Hackers Using Website's Contact Forms to Deliver IcedID Malware

Microsoft has warned organizations of a "unique" attack campaign that abuses contact forms published on websites to deliver malicious links to businesses via emails containing fake legal threats, in what's yet another instance of adversaries abusing legitimate infrastructure to mount evasive campaigns that bypass security protections. "The emails instruct recipients to click a link to review…

Datum: 13. 4. 2021

Detecting the "Next" SolarWinds-Style Cyber Attack

The SolarWinds attack, which succeeded by utilizing the sunburst malware, shocked the cyber-security industry. This attack achieved persistence and was able to evade internal systems long enough to gain access to the source code of the victim. Because of the far-reaching SolarWinds deployments, the perpetrators were also able to infiltrate many other organizations, looking for intellectual…

Datum: 13. 4. 2021

BRATA Malware Poses as Android Security Scanners on Google Play Store

A new set of malicious Android apps have been caught posing as app security scanners on the official Play Store to distribute a backdoor capable of gathering sensitive information. "These malicious apps urge users to update Chrome, WhatsApp, or a PDF reader, yet instead of updating the app in question, they take full control of the device by abusing accessibility services," cybersecurity firm…

Datum: 13. 4. 2021

RCE Exploit Released for Unpatched Chrome, Opera, and Brave Browsers

An Indian security researcher has publicly published a proof-of-concept (PoC) exploit code for a newly discovered flaw impacting Google Chrome and other Chromium-based browsers like Microsoft Edge, Opera, and Brave. Released by Rajvardhan Agarwal, the working exploit concerns a remote code execution vulnerability in the V8 JavaScript rendering engine that powers the web browsers. It is believed…

Datum: 13. 4. 2021

Indian Brokerage Firm Upstox Suffers Data Breach Leaking 2.5 Millions Users' Data

Online trading and discount brokerage platform Upstox has become the latest Indian company to suffer a security breach of its systems, resulting in the exposure of sensitive information of approximately 2.5 million users on the dark web. The leaked information includes names, email addresses, dates of birth, bank account information, and about 56 million know your customer (KYC) documents pulled…

Datum: 12. 4. 2021

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