PT-2023-2690 · Microsoft · Teams

Name of the Vulnerable Software and Affected Versions: Microsoft Teams affected versions not specified Description: The issue is related to insufficient validation of incoming requests in Microsoft Teams, which could allow a remote attacker to gain unauthorized access to information...

Microsoft Teams 安全漏洞

Microsoft Teams is a software from Microsoft USA for online meetings, chat, and cloud storage capabilities. A security vulnerability exists in Microsoft Teams. No information about this vulnerability is available at this time, so stay tuned to CNNVD or the vendor announcement...

Backup of Microsoft Teams Fails With: Object reference not set to an instance of an object

Challenge Backup of Microsoft Teams in Veeam Backup for Microsoft 365 fails with the following error: Error: Object reference not set to an instance of an object. Copy Cause This issue is related to recent changes in the response syntax of the Microsoft Graph API to a specific request that Veeam...

Microsoft Secure: Explore innovations transforming the future of security

Building a more secure future requires an end-to-end approach. There is no question that technology plays an essential role, but security will always be human-centered. That’s what Microsoft Secure is all about. It’s about sharing knowledge, best practices, and technology innovations that empower...

Microsoft Secure: Explore innovations transforming the future of security

Building a more secure future requires an end-to-end approach. There is no question that technology plays an essential role, but security will always be human-centered. That’s what Microsoft Secure is all about. It’s about sharing knowledge, best practices, and technology innovations that empower...

Workspace App for Mac - Known Issue - March 23rd 2023

When using Citrix Workspace App for Mac, users may receive the following errors: - Unable to communicate with Authentication Manager service - The Store doesn't exist. Please retry or contact support. - Citrix Workspace cannot connect to the server. Check your network connection. -Could not...

Researcher create polymorphic Blackmamba malware with ChatGPT

By Deeba Ahmed The ChatGPT-powered Blackmamba malware works as a keylogger, with the ability to send stolen credentials through Microsoft Teams. This is a post from HackRead.com Read the original post: Researcher create polymorphic Blackmamba malware with ChatGPT...

(Pwn2Own) Microsoft Teams chat Client-Side Template Injection Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Teams. No user interaction is required if the attacker and target are in the same Teams organization. The specific flaw exists within the rendering of chat messages. Crafted data in a chat...

(Pwn2Own) Microsoft Teams chat Client-Side Template Injection Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Teams. No user interaction is required if the attacker and target are in the same Teams organization. The specific flaw exists within the rendering of chat messages. Crafted data in a chat...

(Pwn2Own) Microsoft Teams pluginHost Sandbox Escape Vulnerability

This vulnerability allows remote attackers to escape the sandbox on affected installations of Microsoft Teams. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the pluginHost...

(Pwn2Own) Microsoft Teams WebView Incorrect Privilege Assignment Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Teams. No user interaction is required if the attacker and target are in the same Teams organization and are both participants in a meeting. The specific flaw exists within handling of...

(Pwn2Own) Microsoft Teams electronSafeIpc Arbitrary File Write Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Teams. No user interaction is required if the attacker and target are in the same Teams organization. The specific flaw exists within the communication API. The issue lies in the handling o...

(Pwn2Own) Microsoft Teams Unnecessary Privileges Privilege Escalation Vulnerability

This vulnerability allows remote attackers to escalate privileges on affected installations of Microsoft Teams. An attacker must first obtain the ability to execute script within the application window in order to exploit this vulnerability. The specific flaw exists within the parameters passed t...

Microsoft Teams optimization on Citrix Workspace app for Chrome OS

Pre-requisites/System Requirements Why you should use Teams optimization Configuring Microsoft Teams optimization Caveats Troubleshooting Pre-requisites/System Requirements...

You can’t stop me. MS Teams session hijacking and bypass

How cleartext session tokens are stored in an unsecured directory that can be stolen and used to impersonate a Teams user. TL;DR Microsoft Teams stores unencrypted session tokens and cached conversations in users’ roaming AppData, which can be used by an attacker to gain access to the victim’s...

How to Accelerate Your SOAR Program to Full Speed in Less Than a Year

Every new technology comes with a learning curve specific to your organization. First you learn the basics, then you accelerate. Rapid7’s offerings are no different. As a Senior Information Security Engineer at Brooks, I have firsthand experience with this process. I oversaw the implementation of...

Microsoft Teams' GIFShell Attack: What Is It and How You Can Protect Yourself from It

Organizations and security teams work to protect themselves from any vulnerability, and often don't realize that risk is also brought on by configurations in their SaaS apps that have not been hardened. The newly published GIFShell attack method, which occurs through Microsoft Teams, is a perfect...

Microsoft Teams does not display video and shared screen

Microsoft Teams does not display video and shared screenwhen Endpoint OS is Windows 10 1607 Build 14393, Desktop Viewer is disabled showDesktopViewer=false, Teams optimization is enabled, and Viewing session in full screen mode...

Vulnerability found in Microsoft Teams

Researchers from security firm Vectra have found a vulnerability found in the Microsoft Teams user application. The vulnerability allows a malicious party to obtain obtain authentication tokens from users and thereby perform actions with the victim's privileges. The vulnerability has not been...

Scammers Leveraging Microsoft Team GIFs in Phishing Attacks

By Deeba Ahmed Dubbed GIFShell; the technique allows attackers to create a reverse shell to facilitate malicious command delivery via base64-encoded GIFs in MS Teams. This is a post from HackRead.com Read the original post: Scammers Leveraging Microsoft Team GIFs in Phishing Attacks...