Malware Can Exploit New Flaw in Intel CPUs to Launch Side-Channel Attacks

A new research has yielded yet another means to pilfer sensitive data by exploiting what's the first "on-chip, cross-core" side-channel attack targeting the ring interconnect used in Intel Coffee Lake and Skylake processors. Published by a group of academics from the University of Illinois at...

Malware Can Exploit New Flaw in Intel CPUs to Launch Side-Channel Attacks

A new research has yielded yet another means to pilfer sensitive data by exploiting what's the first "on-chip, cross-core" side-channel attack targeting the ring interconnect used in Intel Coffee Lake and Skylake processors. Published by a group of academics from the University of Illinois at...

Over a Dozen Chrome Extensions Caught Hijacking Google Search Results for Millions

New details have emerged about a vast network of rogue extensions for Chrome and Edge browsers that were found to hijack clicks to links in search results pages to arbitrary URLs, including phishing sites and ads. Collectively called "CacheFlow" by Avast, the 28 extensions in question — including...

Warning — 5 New Trojanized Android Apps Spying On Users In Pakistan

Cybersecurity researchers took the wraps off a new spyware operation targeting users in Pakistan that leverages trojanized versions of legitimate Android apps to carry out covert surveillance and espionage. Designed to masquerade apps such as the Pakistan Citizen Portal, a Muslim prayer-clock app...

CVE-2020-14341: Covert Timing Channel

The "Test Connection" available in v7.x of the Red Hat Single Sign On application console can permit an authorized user to cause SMTP connections to be attempted to arbitrary hosts and ports of the user's choosing, and originating from the RHSSO installation. By observing differences in the timin...

Microsoft Warns CrowdStrike of Hackers Targeting Azure Cloud Customers

New evidence amidst the ongoing probe into the espionage campaign targeting SolarWinds has uncovered an unsuccessful attempt to compromise cybersecurity firm Crowdstrike and access the company's email. The hacking endeavor was reported to the company by Microsoft's Threat Intelligence Center on...

Exfiltrating Data from Air-Gapped Computers via Wi-Fi Signals (Without Wi-Fi Hardware)

A security researcher has demonstrated that sensitive data could be exfiltrated from air-gapped computers via a novel technique that leverages Wi-Fi signals as a covert channel—surprisingly, without requiring the presence of Wi-Fi hardware on the targeted systems. Dubbed "AIR-FI," the attack hing...

Exfiltrating Data from Air-Gapped Computers via Wi-Fi Signals (Without Wi-Fi Hardware)

A security researcher has demonstrated that sensitive data could be exfiltrated from air-gapped computers via a novel technique that leverages Wi-Fi signals as a covert channel—surprisingly, without requiring the presence of Wi-Fi hardware on the targeted systems. Dubbed "AIR-FI," the attack hing...

Xen Platypus information leak via power sidechannel (XSA-351)

An information disclosure vulnerability exists in power/energy monitoring interfaces, which can be used to create covert channels and infer the operations and data used by other contexts within the system. C Tenable Network Security, Inc. include'compat.inc'; if description scriptid142889;...

CVE-2020-28368

A flaw was found in Xen where access to power/energy monitoring interfaces was not properly restricted to privileged software. This flaw allows an unprivileged guest administrator to create covert channels and infer the operations or data used by other contexts within the system, such as AES keys...

Vulnerabilities in processors fixed

Researchers have found vulnerabilities in several processors. The vulnerabilities marked CVE-2020-8694 and CVE-2020-8695 have been named Platypus, an acronym for Power Leakage Attacks: Targeting Your Protected User Secrets. The vulnerabilities allow a local malicious person to obtain obtain...

Information leak via power sidechannel

ISSUE DESCRIPTION Researchers have demonstrated using software power/energy monitoring interfaces to create covert channels, and infer the operations/data used by other contexts within the system. Access to these interfaces should be restricted to privileged software, but it was found that Xen...

HTTP-revshell - Powershell Reverse Shell Using HTTP/S Protocol With AMSI Bypass And Proxy Aware

HTTP-revshell is a tool focused on redteam exercises and pentesters. This tool provides a reverse connection through the http/s protocol. It use a covert channel to gain control over the victim machine through web requests and thus evade solutions such as IDS, IPS and AV. Help server.py unisessio...

SNIcat - Server Name Indication Concatenator

SNIcat is a proof of concept tool that performs data exfiltration, utilizing a covert channel method via. Server Name Indication , a TLS Client Hello Extension. The tool consists of an agent which resides on the compromised internal host, and a Command &Control Server which controls the agent and...

Intel, ARM, IBM, AMD Processors Vulnerable to New Side-Channel Attacks

It turns out that the root cause behind several previously disclosed speculative execution attacks against modern processors, such as Meltdown and Foreshadow, was misattributed to 'prefetching effect,' resulting in hardware vendors releasing incomplete mitigations and countermeasures. Sharing its...

Researchers Reveal New Security Flaw Affecting China's DJI Drones

Cybersecurity researchers on Thursday revealed security issues in the Android app developed by Chinese drone-maker Da Jiang Innovations DJI that comes with an auto-update mechanism that bypasses Google Play Store and could be used to install malicious applications and transmit sensitive personal...

CVE-2019-19338: Covert Timing Channel

A flaw was found in the fix for CVE-2019-11135, in the Linux upstream kernel versions before 5.5 where, the way Intel CPUs handle speculative execution of instructions when a TSX Asynchronous Abort TAA error occurs. When a guest is running on a host CPU affected by the TAA flaw TAANO=0, but is no...

Report: ‘BlueLeaks’ Exposes Sensitive Data From Police Departments

Thousands of sensitive police department files – including police and FBI reports – were published on Friday by DDoSecrets Distributed Denial of Secrets, a self-proclaimed “transparency collective” that publishes covert data. The almost 270 gigabytes of data, dubbed “BlueLeaks,” is reportedly fro...

New Noise-Resilient Attack On Intel and AMD CPUs Makes Flush-based Attacks Effective

Modern Intel and AMD processors are susceptible to a new form of side-channel attack that makes flush-based cache attacks resilient to system noise, newly published research shared with The Hacker News has revealed. The findings are from a paper "DABANGG: Time for Fearless Flush based Cache...

CVE-2019-19295

A vulnerability has been identified in Control Center Server CCS All versions V1.5.0. The Control Center Server CCS does not enforce logging of security-relevant activities in its XML-based communication protocol as provided by default on ports 5444/tcp and 5440/tcp. An authenticated remote...