Patch Tuesday: 12 kritische CVEs und 3 Zero-Day-Schwachstellen
Microsoft released its monthly security updates on October 10, 2023. The updates fixed three zero-day vulnerabilities that were known to be exploited in the wild. Of the 104 CVEs addressed, 12 are rated as Critical while almost half of them are related to remote code execution risks.
Werfen wir einen genaueren Blick auf die interessantesten Aktualisierungen in diesem Monat.
Bemerkenswerte kritische Microsoft-Sicherheitslücken
⭕ Critical | Layer 2 Tunneling Protocol Remote Code Execution Vulnerabilities
- CVE-2023-41770, CVE-2023-41765, CVE-2023-41767, CVE-2023-38166, CVE-2023-41774, CVE-2023-41773, CVE-2023-41771, CVE-2023-41769, CVE-2023-41768 are critical vulnerability affecting Windows Layer 2 Tunneling Protocol (L2TP) which serves as an enhancement to the Point-to-Point Tunneling Protocol (PPTP) used by ISPs and VPNs. L2TP is responsible for security and privacy by enabling a tunnel for Layer2 traffic over a Layer 3 network. This vulnerability can be exploited by an unauthenticated attacker who could send a specially crafted connection request to a RAS server and perform remote code execution on the server.
⭕ Critical | Microsoft Message Queuing Remote Code Execution Vulnerabilities
- CVE-2023-35349,CVE-2023-36697 are Remote Code Execution (RCE) vulnerabilities targeting the Message Queuing (MSMQ) protocol developed by Microsoft to ensure reliable communication between computers across different networks. Successful exploitation of the vulnerability may allow an attacker to perform remote code execution on the target server.
October's Patch Tuesday Addressing Zero-day Flaws
HTTP/2 ‘Reset Flood’ Denial of Service
- CVE-2023-44487 is an HTTP/2 vulnerability that could allow an unauthenticated attacker to initiate a denial of service attack against HTTP/2 servers. This issue has been actively exploited in August 2023 in a series of DDoS attacks reported by Cloudflare. However, this is not strictly related to Microsoft products, but patches were released for Windows servers. Microsoft has also given a workaround to mitigate the vulnerability.
Microsoft WordPad Information Disclosure Vulnerability
- CVE-2023-36563 is an information disclosure vulnerability in WordPad that could allow remote code execution and disclosure of NTLM password hashes. An attacker must log on to the system and run a specially crafted application to exploit the vulnerability. An attacker must also convince a user to click a malicious link and open the specially crafted file. This is the third WordPad vulnerability exploited in 2023 for NTLM hash theft.
CISA has added the vulnerability to its Known Exploited Vulnerabilities Catalog and requested users to patch it before October 31, 2023.
Skype for Business Elevation of Privilege Vulnerability
CVE-2023-41763 is an Elevation of Privilege vulnerability identified in Skype for Business servers. Microsoft has fixed this vulnerability which has been actively exploited. An attacker could exploit this vulnerability by sending a specially crafted network call to the target server. Successful exploitation may allow an attacker to parse an HTTP request to an arbitrary address that may disclose IP addresses, ports and other sensitive info to the attacker.
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Active Directory Domain Services Information Disclosure Vulnerability
Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability
MITRE: CVE-2023-44487 HTTP/2 Rapid Reset Attack
Windows Graphics Component Elevation of Privilege Vulnerability
Windows Graphics Component Elevation of Privilege Vulnerability
Microsoft QUIC Denial of Service Vulnerability
Microsoft QUIC Denial of Service Vulnerability
Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
Windows Media Foundation Core Remote Code Execution Vulnerability
Windows Search Security Feature Bypass Vulnerability
Microsoft WordPad Information Disclosure Vulnerability
Microsoft WDAC ODBC Driver Remote Code Execution Vulnerability
Active Template Library Denial of Service Vulnerability
Microsoft AllJoyn API Denial of Service Vulnerability
Windows Runtime Remote Code Execution Vulnerability
Windows Common Log File System Driver Information Disclosure Vulnerability
Windows Container Manager Service Elevation of Privilege Vulnerability
Windows Deployment Services Denial of Service Vulnerability
Windows Deployment Services Information Disclosure Vulnerability
Windows Deployment Services Information Disclosure Vulnerability
DHCP Server Service Denial of Service Vulnerability
Windows Error Reporting Service Elevation of Privilege Vulnerability
Windows MSHTML Platform Remote Code Execution Vulnerability
PrintHTML API Remote Code Execution Vulnerability
Windows IIS Server Elevation of Privilege Vulnerability
Windows Internet Key Exchange (IKE) Extension Elevation of Privilege Vulnerability
Windows Kernel Information Disclosure Vulnerability
Windows Kernel Elevation of Privilege Vulnerability
Windows Kernel Security Feature Bypass Vulnerability
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
Windows Mark of the Web Security Feature Bypass Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Denial of Service Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Denial of Service Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft Message Queuing Denial of Service Vulnerability
Microsoft Message Queuing Denial of Service Vulnerability
Microsoft Message Queuing Remote Code Execution Vulnerability
Microsoft DirectMusic Remote Code Execution Vulnerability
Windows Mixed Reality Developer Tools Denial of Service Vulnerability
Named Pipe File System Elevation of Privilege Vulnerability
Windows Named Pipe Filesystem Elevation of Privilege Vulnerability
Windows Kernel Elevation of Privilege Vulnerability
Windows Power Management Service Information Disclosure Vulnerability
Windows RDP Encoder Mirror Driver Elevation of Privilege Vulnerability
Windows Remote Desktop Gateway (RD Gateway) Information Disclosure Vulnerability
Remote Procedure Call Information Disclosure Vulnerability
Microsoft Resilient File System (ReFS) Elevation of Privilege Vulnerability
Windows Runtime C++ Template Library Elevation of Privilege Vulnerability
Windows Setup Files Cleanup Remote Code Execution Vulnerability
Windows TCP/IP Information Disclosure Vulnerability
Windows TCP/IP Denial of Service Vulnerability
Windows TCP/IP Denial of Service Vulnerability
Windows Virtual Trusted Platform Module Denial of Service Vulnerability
Microsoft Virtual Trusted Platform Module Remote Code Execution Vulnerability
Win32k Elevation of Privilege Vulnerability
Win32k Elevation of Privilege Vulnerability
Win32k Elevation of Privilege Vulnerability
Win32k Elevation of Privilege Vulnerability
Win32k Elevation of Privilege Vulnerability
Runecast covers all 81 of the vulnerabilities that affect Windows operating systems, all mentioned below:
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Runecast protects you against all of these vulnerabilities
At Runecast we ensure that all OS vulnerabilities are covered, so you can focus on mitigating threats and ensuring your system is running safe and secure. We keep you updated about the latest vulnerabilities, exploits and security compliance research and pride ourselves on responding quickly and decisively to key news in the IT Security and Operations spaces.
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