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The Hacker News - Cybersecurity News and Analysis: Microsoft Azure

New Azure AD Bug Lets Hackers Brute-Force Passwords Without Getting Caught

New Azure AD Bug Lets Hackers Brute-Force Passwords Without Getting Caught
September 30, 2021Ravie Lakshmanan
Cybersecurity researchers have disclosed an unpatched security vulnerability in the protocol used by Microsoft Azure Active Directory that potential adversaries could abuse to stage undetected brute-force attacks. "This flaw allows threat actors to perform single-factor brute-force attacks against Azure Active Directory ( Azure AD ) without generating sign-in events in the targeted organization's tenant," researchers from Secureworks Counter Threat Unit (CTU)  said  in a report published on Wednesday. Azure Active Directory is Microsoft's enterprise cloud-based identity and access management (IAM) solution designed for single sign-on (SSO) and multi-factor authentication. It's also a core component of Microsoft 365 (formerly Office 365), with capabilities to provide authentication to other applications via OAuth. The weakness resides in the  Seamless Single Sign-On  feature that allows employees to automatically sign in when using their corporate devices that

Critical Cosmos Database Flaw Affected Thousands of Microsoft Azure Customers

Critical Cosmos Database Flaw Affected Thousands of Microsoft Azure Customers
August 27, 2021Ravie Lakshmanan
Cloud infrastructure security company Wiz on Thursday revealed details of a now-fixed Azure Cosmos database vulnerability that could have been potentially exploited to grant any Azure user full admin access to other customers' database instances without any authorization. The flaw, which grants read, write, and delete privileges, has been dubbed " ChaosDB ," with Wiz researchers noting that "the vulnerability has a trivial exploit that doesn't require any previous access to the target environment, and impacts thousands of organizations, including numerous Fortune 500 companies." Cosmos DB is Microsoft's proprietary  NoSQL database  that's advertised as "a fully managed service" that "takes database administration off your hands with automatic management, updates and patching." The Wiz Research Team reported the issue to Microsoft on August 12, after which the Windows maker took steps to mitigate the issue within 48 hours of r

Microsoft Urges Azure Users to Update PowerShell to Patch RCE Flaw

Microsoft Urges Azure Users to Update PowerShell to Patch RCE Flaw
July 04, 2021Ravie Lakshmanan
Microsoft is urging Azure users to  update  the PowerShell command-line tool as soon as possible to protect against a critical remote code execution vulnerability impacting .NET Core. The issue, tracked as  CVE-2021-26701  (CVSS score: 8.1), affects PowerShell versions 7.0 and 7.1 and have been remediated in versions 7.0.6 and 7.1.3, respectively. Windows PowerShell 5.1 isn't impacted by the flaw. Built on the .NET Common Language Runtime (CLR),  PowerShell  is a cross-platform task automation utility that consists of a command-line shell, a scripting language, and a configuration management framework. "A remote code execution vulnerability exists in .NET 5 and .NET Core due to how text encoding is performed," the company  noted in an advisory  published earlier this April, adding that the problem resides in the " System.Text.Encodings.Web " package, which provides types for encoding and escaping strings for use in JavaScript, HTML, and URLs. System.Text.

New Docker Container Escape Bug Affects Microsoft Azure Functions

New Docker Container Escape Bug Affects Microsoft Azure Functions
January 27, 2021Ravie Lakshmanan
Cybersecurity researcher Paul Litvak today disclosed an unpatched vulnerability in Microsoft Azure Functions that could be used by an attacker to escalate privileges and escape the Docker container used for hosting them. The findings come as part of Intezer Lab 's investigations into the Azure compute infrastructure. Following disclosure to Microsoft, the Windows maker is said to have "determined that the vulnerability has no security impact on Function users, since the host itself is still protected by another defense boundary against the elevated position we reached in the container host." Azure Functions , analogous to Amazon AWS Lambda, is a serverless solution that allows users to run event-triggered code without having to provision or manage infrastructure explicitly while simultaneously making it possible to scale and allocate compute and resources based on demand. By incorporating Docker into the mix, it makes it possible for developers to easily deploy and

Microsoft Warns CrowdStrike of Hackers Targeting Azure Cloud Customers

Microsoft Warns CrowdStrike of Hackers Targeting Azure Cloud Customers
December 25, 2020Ravie Lakshmanan
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 December 15, which identified a third-party reseller's Microsoft Azure account to be making "abnormal calls" to Microsoft cloud APIs during a 17-hour period several months ago. The undisclosed affected reseller's Azure account handles Microsoft Office licensing for its Azure customers, including CrowdStrike. Although there was an attempt by unidentified threat actors to read the emails, it was ultimately foiled as the firm does not use Microsoft's Office 365 email service, CrowdStrike  said . The incident comes in the wake of the  supply chain attack  of SolarWinds revealed earlier this month, resulting in the deployment of a covert backdoor (aka "Sunbu

Researchers Find Vulnerabilities in Microsoft Azure Cloud Service

Researchers Find Vulnerabilities in Microsoft Azure Cloud Service
October 08, 2020Ravie Lakshmanan
As businesses are increasingly migrating to the cloud, securing the infrastructure has never been more important. Now according to the latest research, two security flaws in Microsoft's Azure App Services could have enabled a bad actor to carry out server-side request forgery ( SSRF ) attacks or execute arbitrary code and take over the administration server. "This enables an attacker to quietly take over the App Service's git server, or implant malicious phishing pages accessible through Azure Portal to target system administrators," cybersecurity firm Intezer said in a report published today and shared with The Hacker News. Discovered by  Paul Litvak of Intezer Labs, the flaws were reported to Microsoft in June, after which the company subsequently addressed them. Azure App Service is a cloud computing-based platform that's used as a hosting web service for building web apps and mobile backends. When an App Service is created via Azure, a new Docker env

Microsoft Azure Flaws Could Have Let Hackers Take Over Cloud Servers

Microsoft Azure Flaws Could Have Let Hackers Take Over Cloud Servers
January 30, 2020Mohit Kumar
Cybersecurity researchers at Check Point today disclosed details of two recently patched potentially dangerous vulnerabilities in Microsoft Azure services that, if exploited, could have allowed hackers to target several businesses that run their web and mobile apps on Azure. Azure App Service is a fully-managed integrated service that enables users to create web and mobile apps for any platform or device, and easily integrate them with SaaS solutions, on-premises apps to automate business processes. According to a report researchers shared with The Hacker News, the first security vulnerability ( CVE-2019-1234 ) is a request spoofing issue that affected Azure Stack, a hybrid cloud computing software solution by Microsoft. If exploited, the issue would have enabled a remote hacker to unauthorizedly access screenshots and sensitive information of any virtual machine running on Azure infrastructure—it doesn't matter if they're running on a shared, dedicated or isolated vir

Microsoft Offers $100,000 Bounty for Finding Bugs in Its Identity Services

Microsoft Offers $100,000 Bounty for Finding Bugs in Its Identity Services
July 18, 2018Mohit Kumar
Microsoft today launched a new bug bounty program for bug hunters and researchers finding security vulnerabilities in its "identity services." Hacking into networks and stealing data have become common and easier than ever but not all data holds the same business value or carries the same risk. Since new security today depends on the collaborative communication of identities and identity data within, and across domains, digital identities of customers are usually the key to accessing services and interacting across the Internet. Microsoft said the company has heavily invested in the "creation, implementation, and improvement of identity-related specifications" that encourage "strong authentication, secure sign-on, sessions, API security, and other critical infrastructure tasks." Therefore, to further bolster its customers' security, the tech giant has launched an all-new, and independent bug bounty program. Dubbed Microsoft Identity Bounty

Microsoft built its own custom Linux OS to secure IoT devices

Microsoft built its own custom Linux OS to secure IoT devices
April 17, 2018Swati Khandelwal
Finally, it's happening. Microsoft has built its own custom Linux kernel to power " Azure Sphere ," a newly launched technology that aims to better secure billions of " Internet of things " devices by combining the custom Linux kernel with new chip design, and its cloud security service. Project Azure Sphere focuses on protecting microcontroller-based IoT devices, including smart appliances, connected toys, and other smart gadgets, Microsoft announced during the security-focused RSA Conference in San Francisco Monday. It is basically a security package consists of three main components: Azure Sphere-certified microcontrollers (MCUs) Azure Sphere OS Azure Sphere Security Service "Azure Sphere provides security that starts in the hardware and extends to the cloud, delivering holistic security that protects, detects, and responds to threats—so they're always prepared," Microsoft said. Internet of Things (IoT) devices are 'ridicu

Microsoft Launches Ethereum-Based 'Coco Framework' to Speed Up Blockchain Network

Microsoft Launches Ethereum-Based 'Coco Framework' to Speed Up Blockchain Network
August 14, 2017Swati Khandelwal
A growing number of enterprises are showing their interest in blockchains , but the underlying software fails to meet key enterprise requirements like performance, confidentiality, governance, and required processing power. However, Microsoft wants to help solve these issues and make it easier for the enterprises to build their networks using any distributed ledger. Microsoft has unveiled a framework called " Coco " — short for " Confidential Consortium " — a new open-source foundation for enterprise blockchain networks . Coco is an Ethereum-based protocol which has been designed to help commercial companies and large-scale enterprises process information on the Ethereum Blockchain with increased privacy. "Coco presents an alternative approach to Ledger construction, giving enterprises the scalability, distributed governance and enhanced confidentiality they need without sacrificing the inherent security and immutability they expect," Mark Russi

Microsoft creates its own FreeBSD VM Image for Azure Cloud Computing Platform

Microsoft creates its own FreeBSD VM Image for Azure Cloud Computing Platform
June 09, 2016Mohit Kumar
This year, Microsoft impressed the world with 'Microsoft loves Linux' announcements, like developing a custom Linux-based OS for running Azure Cloud Switch, selecting Ubuntu as the operating system for its Cloud-based Big Data services and bringing the popular Bash shell to Windows 10 . Now, the next big news for open-source community: Microsoft has released its own custom distribution of FreeBSD 10.3 as a "ready-made" Virtual Machine image in order to make the operating system available directly from the Azure Marketplace. FreeBSD (Berkeley Software Distribution) is an open source Unix-like advanced computer operating system used to power modern servers, desktops as well as embedded systems. Until now, the only way for Azure customers to run FreeBSD was to make use of a custom image from outside of Azure (from the FreeBSD Foundation). However, the new release makes it easier for Azure users to launch FreeBSD directly from the Azure Marketplace and get

Microsoft Pays $13,000 to Hacker for Finding Authentication Flaw

Microsoft Pays $13,000 to Hacker for Finding Authentication Flaw
April 04, 2016Wang Wei
A security researcher has won $13,000 bounty from Microsoft for finding a critical flaw in its main authentication system that could allow hackers to gain access to a user's Outlook, Azure and Office accounts. The vulnerability has been uncovered by UK-based security consultant Jack Whitton and is similar to Microsoft's OAuth CSRF (Cross-Site Request Forgery) in Live.com discovered by Synack security researcher Wesley Wineberg. However, the main and only difference between the vulnerabilities is that: Flaw discovered by Wineberg affected Microsoft's OAuth protection mechanism while the one discovered by Whitton affected Microsoft's main authentication system. Microsoft handles authentication across its online services including Outlook, Azure and Office through requests made to login.live.com, login.windows.net, and login.microsoftonline.com. Now, for example, if a user browses to outlook.office.com, he/she redirects to a login.microsoftonline

Here's Why Microsoft Drops a Cloud Data Center Under the Ocean

Here's Why Microsoft Drops a Cloud Data Center Under the Ocean
February 03, 2016Swati Khandelwal
Where tech companies like Facebook and Google prefer to move their data centers to colder countries to reduce their air conditioning bill, Microsoft has come up with an even better home for data centers while cutting high energy costs for cooling them: Under the Sea . Here's what Microsoft says: "50% of us live near the coast. Why doesn't our data?" Building massive data centers underwater might sound crazy, but it is exactly something Microsoft is testing with its first submarine data center, dubbed Leona Philpot . World's First Underwater Data Center The testing is part of Microsoft's plan dubbed Project Natick — an ongoing research project to build and run a data center that is submerged in the ocean, which the company believes, could make data centers faster, cost-effective, environmentally friendly and easier to set up. Leona Philpot (named after the Halo character from Microsoft's Xbox) was tested last August, when engineer

Microsoft Chooses Ubuntu Linux for their Cloud-based Azure HDInsight Big Data Solution

Microsoft Chooses Ubuntu Linux for their Cloud-based Azure HDInsight Big Data Solution
September 30, 2015Khyati Jain
Earlier this month, Microsoft surprised us all with the announcement that they built a Linux kernel-based operating system, Azure Cloud Switch (ACS) , for developing software products for Network Devices. Now, Microsoft just announced that they have selected Ubuntu as the operating system for their Cloud-based Big Data services. Yes, Microsoft needs Linux. To expand its Azure Data Lake project, that makes Big Data processing and Analytics simpler and more accessible, Microsoft has partnered with Hortonworks and Canonical to launch " Azure HDInsight " for Linux users. Azure HDInsight is a Hadoop-based Big Data solution powered by Cloud that is now also available for Ubuntu, along with Windows OS. By offering both Windows and Linux clusters, Microsoft's fulfills its aim to enhance its own cross-platform aspirations that will accelerate a move towards Hybrid Cloud Computing . " The collaboration between Microsoft and Canonical to create the option to run Azur

Microsoft has Built its own Linux Operating System

Microsoft has Built its own Linux Operating System
September 18, 2015Mohit Kumar
Sit Tight on your seats, because you're gonna get a Shock. Microsoft has developed an Operating System powered by LINUX. Close your mouth first. It's True! Microsoft has built its own Linux-based operating system called Azure Cloud Switch (ACS ) and believe me, under Satya Nadella, Microsoft has become more open than ever. According to the announcement made through an official blog post on Microsoft website, Azure Cloud Switch (ACS) describes as "cross-platform modular operating system for data center networking built on Linux." or Simply, " Commodity switch software stack for data center networks". The Purpose of developing Linux-based Azure Cloud Switch (ACS) operating system at Microsoft is to make it simpler to control the hardware from multiple vendors ( such as Switches ) that powers their cloud-based services. And here's the Kicker: "Running on Linux, ACS [Azure Cloud Switch] is able to make use of its vibrant eco
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