MSRC on Microsoft Security Response Center

本ブログは Mitigating NTLM Relay Attacks by Default の抄訳版です。 最新の情報は原文を参照してください。 はじめに 2024 年 2 月、マイクロソ

Summary On May 9, 2024, Microsoft successfully addressed multiple vulnerabilities within the Azure Machine Learning (AML) service, which were initially discovered by security research firms Wiz and Tenable. These vulnerabilities, which included Server-Side Request Forgeries (SSRF) and a path traversal vulnerability, posed potential risks for information exposure and service disruption via Denial-of-Service (DOS).

本ブログは、Mitigating SSRF Vulnerabilities Impacting Azure Machine Learning の抄訳版です。最新の情報は原文を参照してください。 概要 2024

Today, we are adding a new Security Advisory tab to the Security Update Guide to meet our customers’ needs for a unified and authoritative source for the latest public information about Microsoft security updates and issues. We are continuously listening to feedback from users of the Security Update Guide. Our goal is to find new and improved ways to help customers manage security risks and keep their systems protected.

本ブログは、Microsoft Bug Bounty Program Year in Review: $13.8M in Rewards の抄訳版です。最新の情報は原文を参照してください。 過

We are thrilled to share the results of our collaboration with over 345 security researchers from +45 countries around the world in the past 12 months. Together, we have discovered and fixed more than a thousand potential security issues before they impacted our customers. In recognition of this valuable collaboration, we have awarded $13.

Summary Microsoft has addressed an authorization misconfiguration for multi-tenant applications that use Azure AD, initially discovered by Wiz, and reported to Microsoft, that impacted a small number of our internal applications. The misconfiguration allowed external parties read and write access to the impacted applications. Microsoft immediately corrected the misconfiguration and added additional authorization checks to address the issue and confirmed that no unintended access had occurred.

We are excited to announce the release of the new Microsoft Security Response Center (MSRC) blog site. Please visit msrc.microsoft.com/blog/ starting February 9th, 2023, for all past and future MSRC blog content. In addition to the new URL, we have refreshed the site with a new look and improved site performance, search, categories, and tags to help users easily find content.

Beverage of Choice: Krating Daeng (Thai Red Bull) Industry Influencer he Admires: Casey John Ellis What did you want to be when you grew up? A physician and nearly did Hobbies (Present & Past): Motorcycling & Australian Football Bucket List: Continuing to discover new software Fun Fact: He currently has 2,000 tabs open

Microsoft is excited to announce the addition of Exchange on-premises, SharePoint on-premises, and Skype for Business on-premises to the Applications and On-Premises Servers Bounty Program. Through this expanded program, we encourage researchers to discover and report high-impact security vulnerabilities to help protect customers. We offer awards up to $26,000 USD for eligible submissions.

On December 10, 2021, Microsoft mitigated a vulnerability in the Azure Automation service. Azure Automation accounts that used Managed Identitiestokens for authorization and an Azure Sandbox for job runtime and execution were exposed. Microsoft has not detected evidence of misuse of tokens. Microsoft has notified customers with affected Automation accounts. Microsoft recommends following the security best practices herefor the Azure Automation service

Today we released an update for CVE-2020-1350, a Critical Remote Code Execution (RCE) vulnerability in Windows DNS Server that is classified as a ‘wormable’ vulnerability and has a CVSS base score of 10.0. This issue results from a flaw in Microsoft’s DNS server role implementation and affects all Windows Server versions.

This week, we released the first Beta preview of the next version of Microsoft Edge. Alongside this, Microsoft is excited to announce the launch of the Microsoft Edge Insider Bounty Program. We welcome researchers to seek out and disclose any high impact vulnerabilities they may find in the next version of Microsoft Edge, based on Chromium, and offer rewards up to US$30,000 for eligible vulnerabilities in Dev and Beta channels.

Throughout the year, security researchers submit some amazing work to us under the Microsoft Bug Bounty program. Starting this quarter, we want to give a shout out to and acknowledge the hard work and dedication of the following individuals and companies who have contributed to securing Microsoft’s products and services over our third quarter (January-March 2018).

Today, Microsoft released Security Advisory 2953095 to notify customers of a vulnerability in Microsoft Word. At this time, we are aware of limited, targeted attacks directed at Microsoft Word 2010. This blog will discuss mitigations and temporary defensive strategies that will help customers to protect themselves while we are working on a security update.

Handle: Mando Picker IRL: Dustin Childs Rank: Security Program Manager Likes: Protecting customers, working with security researchers, second Tuesdays, bourbon, mandolins Dislikes: Using “It’s hard” as an excuse, quitting when it gets tough, banjos Hello All, I enjoy telling stories. Perhaps, in a former life, I spent time as a bard telling stories of Robin Hood and Maid Marian as I travelled from town to town.

Handle: Cluster IRL: Maarten Van Horenbeeck Rank: Senior Program Manager Likes: Slicing covert channels, foraging in remote memory pools, and setting off page faults Dislikes: The crackling sound of crypto breaking, warm vodka martni “We want to remain what we are” (“Mir wëlle bleiwe wat mir sinn”) is the national motto of the Grand Duchy of Luxembourg.

This year marks the tenth BlueHat at Microsoft, and my sixth round in participating in the event that has been so instrumental in keeping Microsoft developers and executives in touch with the pulse of security research outside Microsoft, and serves as one of the key crossroads for the exchange of ideas from our internal security experts to the outside world.

Handle: Silver Surfer IRL: Mike Reavey Rank: Director, MSRC Likes: Warm weather, Battlestar Galactica, and responsibly reported vulnerabilities Dislikes: Rain, Rain without end, Clouds with potential for rain, reality TV, and unpatched vulns I’m here playing MC at the tenth edition (!!!) of the BlueHat Security Briefings on the Microsoft Campus in Redmond.

Handle: Cluster IRL: Maarten Van Horenbeeck Rank: Senior Program Manager Likes: Slicing covert channels, foraging in remote memory pools, and setting off page faults Dislikes: The crackling sound of crypto breaking, warm vodka martni Microsoft often has the pleasure of welcoming foreign government officials to our headquarters. MSR