Microsoft August 2023 Patch Tuesday
This month we got patches for 88 vulnerabilities. Of these, 6 are critical, and 2 are already being exploited, according to Microsoft.
One of the exploited vulnerabilities is .NET and Visual Studio Denial of Service Vulnerability (CVE-2023-38180). The max severity for the vulnerability is important and the CVSS is 7.5.
The other exploited vulnerability is Microsoft Office Defense in Depth Update (ADV230003). According to the advisory this defense in depth update is not a vulnerability, but installing this update stops the attack chain leading to the Windows Search security feature bypass vulnerability (CVE-2023-36884). Microsoft recommends installing the Office updates discussed in this advisory as well as installing the Windows updates from August 2023.
Moving to critical vulnerabilities, there are Remote Code Execution (RCE) vulnerabilities affecting Microsoft Message Queuing (CVE-2023-35385, CVE-2023-36910, and CVE-2023-36911). According to the advisory, the Windows message queuing service, which is a Windows component, needs to be enabled for a system to be exploitable by this vulnerability. This feature can be added via the Control Panel. You can check to see if there is a service running named Message Queuing and TCP port 1801 is listening on the machine. Successful exploitation of this vulnerability could allow an unauthenticated attacker to remotely execute code on the target server. The attack complexity is low, no privileges and no user interaction are required. The CVSS for this vulnerability is 9.8.
August 2023 Security Updates
| Description | |||||||
|---|---|---|---|---|---|---|---|
| CVE | Disclosed | Exploited | Exploitability (old versions) | current version | Severity | CVSS Base (AVG) | CVSS Temporal (AVG) |
| -- no title -- | |||||||
| CVE-2023-35945 | No | No | - | - | - | 7.5 | 7.5 |
| .NET Core and Visual Studio Denial of Service Vulnerability | |||||||
| CVE-2023-38178 | No | No | - | - | Important | 7.5 | 6.5 |
| .NET Framework Spoofing Vulnerability | |||||||
| CVE-2023-36873 | No | No | - | - | Important | 7.4 | 6.7 |
| .NET and Visual Studio Denial of Service Vulnerability | |||||||
| CVE-2023-38180 | No | Yes | - | - | Important | 7.5 | 6.7 |
| .NET and Visual Studio Remote Code Execution Vulnerability | |||||||
| CVE-2023-35390 | No | No | - | - | Important | 7.8 | 7.0 |
| AMD: CVE-2023-20569 Return Address Predictor | |||||||
| CVE-2023-20569 | No | No | - | - | Important | ||
| ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability | |||||||
| CVE-2023-35391 | No | No | - | - | Important | 7.1 | 6.4 |
| ASP.NET Elevation of Privilege Vulnerability | |||||||
| CVE-2023-36899 | No | No | - | - | Important | 7.5 | 6.7 |
| Azure Apache Ambari Spoofing Vulnerability | |||||||
| CVE-2023-36881 | No | No | - | - | Important | 4.5 | 3.9 |
| Azure Apache Hadoop Spoofing Vulnerability | |||||||
| CVE-2023-38188 | No | No | - | - | Important | 4.5 | 3.9 |
| Azure Apache Hive Spoofing Vulnerability | |||||||
| CVE-2023-35393 | No | No | - | - | Important | 4.5 | 3.9 |
| Azure Apache Oozie Spoofing Vulnerability | |||||||
| CVE-2023-36877 | No | No | - | - | Important | 4.5 | 3.9 |
| Azure Arc-Enabled Servers Elevation of Privilege Vulnerability | |||||||
| CVE-2023-38176 | No | No | - | - | Important | 7.0 | 6.1 |
| Azure DevOps Server Spoofing Vulnerability | |||||||
| CVE-2023-36869 | No | No | - | - | Important | 6.3 | 6.0 |
| Azure HDInsight Jupyter Notebook Spoofing Vulnerability | |||||||
| CVE-2023-35394 | No | No | - | - | Important | 4.6 | 4.0 |
| Chromium: CVE-2023-4068 Type Confusion in V8 | |||||||
| CVE-2023-4068 | No | No | - | - | - | ||
| Chromium: CVE-2023-4069 Type Confusion in V8 | |||||||
| CVE-2023-4069 | No | No | - | - | - | ||
| Chromium: CVE-2023-4070 Type Confusion in V8 | |||||||
| CVE-2023-4070 | No | No | - | - | - | ||
| Chromium: CVE-2023-4071 Heap buffer overflow in Visuals | |||||||
| CVE-2023-4071 | No | No | - | - | - | ||
| Chromium: CVE-2023-4072 Out of bounds read and write in WebGL | |||||||
| CVE-2023-4072 | No | No | - | - | - | ||
| Chromium: CVE-2023-4073 Out of bounds memory access in ANGLE | |||||||
| CVE-2023-4073 | No | No | - | - | - | ||
| Chromium: CVE-2023-4074 Use after free in Blink Task Scheduling | |||||||
| CVE-2023-4074 | No | No | - | - | - | ||
| Chromium: CVE-2023-4075 Use after free in Cast | |||||||
| CVE-2023-4075 | No | No | - | - | - | ||
| Chromium: CVE-2023-4076 Use after free in WebRTC | |||||||
| CVE-2023-4076 | No | No | - | - | - | ||
| Chromium: CVE-2023-4077 Insufficient data validation in Extensions | |||||||
| CVE-2023-4077 | No | No | - | - | - | ||
| Chromium: CVE-2023-4078 Inappropriate implementation in Extensions | |||||||
| CVE-2023-4078 | No | No | - | - | - | ||
| HEVC Video Extensions Remote Code Execution Vulnerability | |||||||
| CVE-2023-38170 | No | No | - | - | Important | 7.8 | 6.8 |
| Memory Integrity System Readiness Scan Tool Defense in Depth Update | |||||||
| ADV230004 | Yes | No | - | - | Moderate | ||
| Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability | |||||||
| CVE-2023-35389 | No | No | - | - | Important | 6.5 | 5.7 |
| Microsoft Dynamics Business Central Elevation Of Privilege Vulnerability | |||||||
| CVE-2023-38167 | No | No | - | - | Important | 7.2 | 6.3 |
| Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability | |||||||
| CVE-2023-38157 | No | No | Less Likely | Less Likely | Moderate | 6.5 | 5.7 |
| Microsoft Excel Remote Code Execution Vulnerability | |||||||
| CVE-2023-36896 | No | No | - | - | Important | 7.8 | 6.8 |
| Microsoft Exchange Remote Code Execution Vulnerability | |||||||
| CVE-2023-35368 | No | No | - | - | Important | 8.8 | 7.7 |
| Microsoft Exchange Server Elevation of Privilege Vulnerability | |||||||
| CVE-2023-21709 | No | No | - | - | Important | 9.8 | 8.5 |
| Microsoft Exchange Server Remote Code Execution Vulnerability | |||||||
| CVE-2023-38185 | No | No | - | - | Important | 8.8 | 7.7 |
| CVE-2023-35388 | No | No | - | - | Important | 8.0 | 7.0 |
| CVE-2023-38182 | No | No | - | - | Important | 8.0 | 7.0 |
| Microsoft Exchange Server Spoofing Vulnerability | |||||||
| CVE-2023-38181 | No | No | - | - | Important | 8.8 | 7.7 |
| Microsoft Message Queuing Denial of Service Vulnerability | |||||||
| CVE-2023-36909 | No | No | - | - | Important | 6.5 | 5.7 |
| CVE-2023-36912 | No | No | - | - | Important | 7.5 | 6.5 |
| CVE-2023-35376 | No | No | - | - | Important | 6.5 | 5.7 |
| CVE-2023-38254 | No | No | - | - | Important | 6.5 | 5.7 |
| CVE-2023-35377 | No | No | - | - | Important | 6.5 | 5.7 |
| CVE-2023-38172 | No | No | - | - | Important | 7.5 | 6.5 |
| Microsoft Message Queuing Information Disclosure Vulnerability | |||||||
| CVE-2023-36913 | No | No | - | - | Important | 6.5 | 5.7 |
| CVE-2023-35383 | No | No | - | - | Important | 7.5 | 6.5 |
| Microsoft Message Queuing Remote Code Execution Vulnerability | |||||||
| CVE-2023-36910 | No | No | - | - | Critical | 9.8 | 8.5 |
| CVE-2023-36911 | No | No | - | - | Critical | 9.8 | 8.5 |
| CVE-2023-35385 | No | No | - | - | Critical | 9.8 | 8.5 |
| Microsoft OLE DB Remote Code Execution Vulnerability | |||||||
| CVE-2023-38169 | No | No | - | - | Important | 8.8 | 7.7 |
| Microsoft Office Defense in Depth Update | |||||||
| ADV230003 | Yes | Yes | - | - | Moderate | ||
| Microsoft Office Remote Code Execution Vulnerability | |||||||
| CVE-2023-35371 | No | No | - | - | Important | 7.8 | 6.8 |
| Microsoft Office Visio Remote Code Execution Vulnerability | |||||||
| CVE-2023-36865 | No | No | - | - | Important | 7.8 | 6.8 |
| CVE-2023-36866 | No | No | - | - | Important | 7.8 | 6.8 |
| CVE-2023-35372 | No | No | - | - | Important | 7.8 | 6.8 |
| Microsoft Outlook Remote Code Execution Vulnerability | |||||||
| CVE-2023-36895 | No | No | - | - | Critical | 7.8 | 6.8 |
| Microsoft Outlook Spoofing Vulnerability | |||||||
| CVE-2023-36893 | No | No | - | - | Important | 6.5 | 5.7 |
| Microsoft SharePoint Server Information Disclosure Vulnerability | |||||||
| CVE-2023-36890 | No | No | - | - | Important | 6.5 | 5.7 |
| CVE-2023-36894 | No | No | - | - | Important | 6.5 | 5.7 |
| Microsoft SharePoint Server Spoofing Vulnerability | |||||||
| CVE-2023-36891 | No | No | - | - | Important | 8.0 | 7.0 |
| CVE-2023-36892 | No | No | - | - | Important | 8.0 | 7.0 |
| Microsoft Teams Remote Code Execution Vulnerability | |||||||
| CVE-2023-29328 | No | No | - | - | Critical | 8.8 | 7.7 |
| CVE-2023-29330 | No | No | - | - | Critical | 8.8 | 7.7 |
| Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability | |||||||
| CVE-2023-36882 | No | No | - | - | Important | 8.8 | 7.7 |
| Microsoft Windows Defender Elevation of Privilege Vulnerability | |||||||
| CVE-2023-38175 | No | No | - | - | Important | 7.8 | 6.8 |
| Reliability Analysis Metrics Calculation (RacTask) Elevation of Privilege Vulnerability | |||||||
| CVE-2023-36876 | No | No | - | - | Important | 7.1 | 6.2 |
| Reliability Analysis Metrics Calculation Engine (RACEng) Elevation of Privilege Vulnerability | |||||||
| CVE-2023-35379 | No | No | - | - | Important | 7.8 | 6.8 |
| Tablet Windows User Interface Application Core Remote Code Execution Vulnerability | |||||||
| CVE-2023-36898 | No | No | - | - | Important | 7.8 | 6.8 |
| Visual Studio Tools for Office Runtime Spoofing Vulnerability | |||||||
| CVE-2023-36897 | No | No | - | - | Important | 8.1 | 7.3 |
| Windows Bluetooth A2DP driver Elevation of Privilege Vulnerability | |||||||
| CVE-2023-35387 | No | No | - | - | Important | 8.8 | 7.7 |
| Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability | |||||||
| CVE-2023-36904 | No | No | - | - | Important | 7.8 | 6.8 |
| Windows Common Log File System Driver Elevation of Privilege Vulnerability | |||||||
| CVE-2023-36900 | No | No | - | - | Important | 7.8 | 6.8 |
| Windows Cryptographic Services Information Disclosure Vulnerability | |||||||
| CVE-2023-36906 | No | No | - | - | Important | 5.5 | 4.8 |
| CVE-2023-36907 | No | No | - | - | Important | 5.5 | 4.8 |
| Windows Fax Service Remote Code Execution Vulnerability | |||||||
| CVE-2023-35381 | No | No | - | - | Important | 8.8 | 7.7 |
| Windows Group Policy Security Feature Bypass Vulnerability | |||||||
| CVE-2023-36889 | No | No | - | - | Important | 5.5 | 4.8 |
| Windows HTML Platforms Security Feature Bypass Vulnerability | |||||||
| CVE-2023-35384 | No | No | - | - | Important | 5.4 | 4.7 |
| Windows Hyper-V Information Disclosure Vulnerability | |||||||
| CVE-2023-36908 | No | No | - | - | Important | 5.7 | 5.0 |
| Windows Kernel Elevation of Privilege Vulnerability | |||||||
| CVE-2023-35359 | No | No | - | - | Important | 7.8 | 6.8 |
| CVE-2023-35380 | No | No | - | - | Important | 7.8 | 6.8 |
| CVE-2023-35382 | No | No | - | - | Important | 7.8 | 6.8 |
| CVE-2023-35386 | No | No | - | - | Important | 7.8 | 6.8 |
| CVE-2023-38154 | No | No | - | - | Important | 7.8 | 6.8 |
| Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability | |||||||
| CVE-2023-38184 | No | No | - | - | Important | 7.5 | 6.5 |
| Windows Mobile Device Management Elevation of Privilege Vulnerability | |||||||
| CVE-2023-38186 | No | No | - | - | Important | 7.8 | 6.8 |
| Windows Projected File System Elevation of Privilege Vulnerability | |||||||
| CVE-2023-35378 | No | No | - | - | Important | 7.0 | 6.1 |
| Windows Smart Card Resource Management Server Security Feature Bypass Vulnerability | |||||||
| CVE-2023-36914 | No | No | - | - | Important | 5.5 | 4.8 |
| Windows System Assessment Tool Elevation of Privilege Vulnerability | |||||||
| CVE-2023-36903 | No | No | - | - | Important | 7.8 | 6.8 |
| Windows Wireless Wide Area Network Service (WwanSvc) Information Disclosure Vulnerability | |||||||
| CVE-2023-36905 | No | No | - | - | Important | 5.5 | 4.8 |
See my dashboard for a more detailed breakout: https://patchtuesdaydashboard.com/
--
Renato Marinho
Morphus Labs| LinkedIn|Twitt
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