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MSRC

2023

Microsoft’s Response to Open-Source Vulnerabilities - CVE-2023-4863 and CVE-2023-5217

Monday, October 02, 2023

Microsoft is aware and has released patches associated with the two Open-Source Software security vulnerabilities, CVE-2023-4863 and CVE-2023-5217. Through our investigation, we found that these affect a subset of our products and as of today, we have addressed them in our products as outlined below: CVE-2023-4863 Microsoft Edge Microsoft Teams for Desktop Skype for Desktop Webp Image Extensions (Released on Windows and updates through Microsoft Store) CVE-2023-5217

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Microsoft mitigated exposure of internal information in a storage account due to overly-permissive SAS token

Monday, September 18, 2023

Summary As part of a recent Coordinated Vulnerability Disclosure (CVD) report from Wiz.io, Microsoft investigated and remediated an incident involving a Microsoft employee who shared a URL for a blob store in a public GitHub repository while contributing to open-source AI learning models. This URL included an overly-permissive Shared Access Signature (SAS) token for an internal storage account.

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Results of Major Technical Investigations for Storm-0558 Key Acquisition

Wednesday, September 06, 2023

March 12, 2024 update As part of our continued commitment to transparency and trust outlined in Microsoft’s Secure Future Initiative, we are providing further information as it relates to our ongoing investigation. This new information does not change the customer guidance we previously shared, nor have our ongoing investigations revealed additional impact to Microsoft or our customers.

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Azure Serial Console Attack and Defense - Part 1

Thursday, August 10, 2023

Ever had a virtual machine crash? Azure Serial console is a great way to directly connect to your Virtual machine and debug what went wrong. Azure Serial Console is a feature that’s available for free for everyone. While the primary intent of this feature is to assist users debug their machine, there are several interesting ways to abuse the features and compromise sensitive information.

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