Security News
Microsoft has addressed an Azure Active Directory authentication flaw that could allow threat actors to escalate privileges and potentially fully take over the target's account. This misconfiguration could be abused in account and privilege escalation attacks against Azure AD OAuth applications configured to use the email claim from access tokens for authorization.
The Microsoft 365 and Azure Portal outages users expirienced this month were caused by Layer 7 DDoS attacks, Microsoft has confirmed on Friday. Throughout the first half June 2023 Microsoft confirmed, at various times, ongoing issues with its cloud-based services - Microsoft 365 and Azure Portal - but did not say at the time that they were caused by an increase in traffic.
"These attacks likely rely on access to multiple virtual private servers in conjunction with rented cloud infrastructure, open proxies, and DDoS tools," the tech giant said in a post on Friday.Redmond said it further observed the threat actor launching layer 7 DDoS attacks from multiple cloud services and open proxy infrastructures.
Microsoft has confirmed that recent outages to Azure, Outlook, and OneDrive web portals resulted from Layer 7 DDoS attacks against the company's services. The outages occurred at the beginning of June, with Outlook.com's web portal targeted on June 7th, OneDrive on June 8th, and the Microsoft Azure Portal on June 9th. Microsoft did not share at the time that they were suffering DDoS attacks but hinted that they were the cause, stating for some incidents that they were "Applying load balancing processes in order to mitigate the issue."
Two "Dangerous" security vulnerabilities have been disclosed in Microsoft Azure Bastion and Azure Container Registry that could have been exploited to carry out cross-site scripting attacks. "The vulnerabilities allowed unauthorized access to the victim's session within the compromised Azure service iframe, which can lead to severe consequences, including unauthorized data access, unauthorized modifications, and disruption of the Azure services iframes," Orca security researcher Lidor Ben Shitrit said in a report shared with The Hacker News.
Microsoft revealed in an update to the Azure status page that the preliminary root cause behind an outage that impacted the Azure Portal worldwide on Friday was what it described as a traffic "Spike." Customers who wanted to access the Azure Portal on Friday afternoon at portal.
The Microsoft Azure Portal is down on the web as a threat actor known as Anonymous Suda claims to be targeting the site with a DDoS attack.At the same time, a threat actor known as Anonymous Sudan claims to be conducting a DDoS attack against the Microsoft Azure portal, sharing an image of the page not working.
Azure Virtual Network Manager is a new tool for grouping network resources, configuring the connectivity and security for those resources and deploying those configurations to the right network groups automatically. You can use this to create common network topologies like a hub and spoke that connects multiple virtual networks to the hub virtual network that contains your Azure Firewall or ExpressRoute connection.
GitHub has announced that its application security testing tools are now more widely available for subscribers of Microsoft's Azure DevOps Services. "GitHub Advanced Security for Azure DevOps can not only help you find secrets that have already been exposed in Azure Repos, but also help you prevent new exposures by blocking any pushes to Azure Repos that contain secrets," says Aaron Hallberg, Director of Product for Azure DevOps, Microsoft.
A financially motivated cyber actor has been observed abusing Microsoft Azure Serial Console on virtual machines to install third-party remote management tools within compromised environments. "This method of attack was unique in that it avoided many of the traditional detection methods employed within Azure and provided the attacker with full administrative access to the VM," the threat intelligence firm said.