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Microsoft: How Chinese Hackers Stole Signing Key to Breach Outlook Accounts

By Deeba Ahmed Microsoft has shared its findings related to the Outlook breach in July in a write-up titled “Results of Major Technical Investigations for Storm-0558 Key Acquisitions.” This is a post from HackRead.com Read the original post: Microsoft: How Chinese Hackers Stole Signing Key to Breach Outlook Accounts

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CVE-2023-4764: Chromium: CVE-2023-4764 Incorrect security UI in BFCache

**Why is this Chrome CVE included in the Security Update Guide?** The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable. Please see Security Update Guide Supports CVEs Assigned by Industry Partners for more information. **How can I see the version of the browser?** 1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window 2. Click on **Help and Feedback** 3. Click on **About Microsoft Edge**

CVE-2023-4763: Chromium: CVE-2023-4763 Use after free in Networks

**Why is this Chrome CVE included in the Security Update Guide?** The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable. Please see Security Update Guide Supports CVEs Assigned by Industry Partners for more information. **How can I see the version of the browser?** 1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window 2. Click on **Help and Feedback** 3. Click on **About Microsoft Edge**

CVE-2023-4762: Chromium: CVE-2023-4762 Type Confusion in V8

**Why is this Chrome CVE included in the Security Update Guide?** The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable. Please see Security Update Guide Supports CVEs Assigned by Industry Partners for more information. **How can I see the version of the browser?** 1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window 2. Click on **Help and Feedback** 3. Click on **About Microsoft Edge**

CVE-2023-4761: Chromium: CVE-2023-4761 Out of bounds memory access in FedCM

**Why is this Chrome CVE included in the Security Update Guide?** The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable. Please see Security Update Guide Supports CVEs Assigned by Industry Partners for more information. **How can I see the version of the browser?** 1. In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window 2. Click on **Help and Feedback** 3. Click on **About Microsoft Edge**

Ubuntu Security Notice USN-6349-1

Ubuntu Security Notice 6349-1 - Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically proximate attacker could use this to cause a denial of service. Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

How Microsoft's highly secure environment was breached

Categories: News An investigation by Microsoft has finally revealed how China-based hackers circumvented its highly isolated and restricted production environment in May 2023. (Read more...) The post How Microsoft's highly secure environment was breached appeared first on Malwarebytes Labs.

Outlook Breach: Microsoft Reveals How a Crash Dump Led to a Major Security Breach

Microsoft on Wednesday revealed that a China-based threat actor known as Storm-0558 acquired the inactive consumer signing key to forging tokens to access Outlook by compromising an engineer’s corporate account. This enabled the adversary to access a debugging environment that contained a crash dump of the consumer signing system that took place in April 2021 and steal the key. “A consumer

The Comedy of Errors That Let China-Backed Hackers Steal Microsoft’s Signing Key

After leaving many questions unanswered, a new post mortem from Microsoft explains the series of slip-ups that allowed attackers to steal and abuse a valuable cryptographic key.

Ubuntu Security Notice USN-6347-1

Ubuntu Security Notice 6347-1 - William Zhao discovered that the Traffic Control subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service. It was discovered that the NTFS file system implementation in the Linux kernel did not properly check buffer indexes in certain situations, leading to an out-of-bounds read vulnerability. A local attacker could possibly use this to expose sensitive information.