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Microsoft Warns of Another Unpatched Windows Print Spooler RCE Vulnerability

Microsoft Warns of Another Unpatched Windows Print Spooler RCE Vulnerability

Aug 12, 2021
A day after releasing  Patch Tuesday updates , Microsoft acknowledged yet another remote code execution vulnerability in the Windows Print Spooler component, adding that it's working to remediate the issue in an upcoming security update. Tracked as  CVE-2021-36958  (CVSS score: 7.3), the unpatched flaw is the latest to join a  list  of  bugs  collectively known as  PrintNightmare  that have plagued the printer service and come to light in recent months. Victor Mata of FusionX, Accenture Security, who has been credited with reporting the flaw,  said  the issue was disclosed to Microsoft in December 2020. "A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations," the company said in its out-of-band bulletin, echoing the vulnerability details for  CVE-2021-34481 . "An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then
Researcher Uncovers Yet Another Unpatched Windows Printer Spooler Vulnerability

Researcher Uncovers Yet Another Unpatched Windows Printer Spooler Vulnerability

Jul 19, 2021
Merely days after Microsoft sounded the alarm on an unpatched security vulnerability in the Windows Print Spooler service, possibly yet another zero-day flaw in the same component has come to light, making it the fourth printer-related shortcoming to be discovered in recent weeks. "Microsoft Windows allows for non-admin users to be able to install printer drivers via Point and Print," CERT Coordination Center's Will Dormann  said  in an advisory published Sunday. "Printers installed via this technique also install queue-specific files, which can be arbitrary libraries to be loaded by the privileged Windows Print Spooler process." An exploit for the vulnerability was disclosed by security researcher and  Mimikatz creator   Benjamin Delpy . #printnightmare - Episode 4 You know what is better than a Legit Kiwi Printer ? 🥝Another Legit Kiwi Printer...👍 No prerequiste at all, you even don't need to sign drivers/package🤪 pic.twitter.com/oInb5jm3tE — 🥝 B
SaaS Compliance through the NIST Cybersecurity Framework

SaaS Compliance through the NIST Cybersecurity Framework

Feb 20, 2024Cybersecurity Framework / SaaS Security
The US National Institute of Standards and Technology (NIST) cybersecurity framework is one of the world's most important guidelines for securing networks. It can be applied to any number of applications, including SaaS.  One of the challenges facing those tasked with securing SaaS applications is the different settings found in each application. It makes it difficult to develop a configuration policy that will apply to an HR app that manages employees, a marketing app that manages content, and an R&D app that manages software versions, all while aligning with NIST compliance standards.  However, there are several settings that can be applied to nearly every app in the SaaS stack. In this article, we'll explore some universal configurations, explain why they are important, and guide you in setting them in a way that improves your SaaS apps' security posture.  Start with Admins Role-based access control (RBAC) is a key to NIST adherence and should be applied to every SaaS a
How to Mitigate Microsoft Print Spooler Vulnerability – PrintNightmare

How to Mitigate Microsoft Print Spooler Vulnerability – PrintNightmare

Jul 08, 2021
This week, PrintNightmare - Microsoft's Print Spooler vulnerability (CVE-2021-34527) was upgraded from a 'Low' criticality to a 'Critical' criticality. This is due to a Proof of Concept published on GitHub, which attackers could potentially leverage for gaining access to Domain Controllers. As we reported earlier , Microsoft already released a patch in June 2021, but it wasn't enough to stop exploits. Attackers can still use Print Spooler when connecting remotely. You can find all you need to know about this vulnerability in this article and how you can mitigate it (and you can).  Print Spooler in a nutshell:  Print Spooler is Microsoft's service for managing and monitoring files printing. This service is among Microsoft's oldest and has had minimal maintenance updates since it was released.  Every Microsoft machine (servers and endpoints) has this feature enabled by default. PrintNightmare vulnerability:  As soon as an attacker gains limited user
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Are You Vulnerable to Third-Party Breaches Through Interconnected SaaS Apps?

websiteWing SecuritySaaS Security / Risk Management
Protect against cascading risks by identifying and mitigating app2app and third-party SaaS vulnerabilities.
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