Patch Tuesday: Microsoft Security Bulletin Summary for March 2018

Today Microsoft released regular patches fixing a total of 75 vulnerabilities. Among these Microsoft rated 14 CVEs as Critical and rest 61 as Important. These vulnerabilities impact Internet Explorer, Microsoft Edge, Microsoft Windows, Microsoft Exchange Server, ASP.NET Core, .NET Core, PowerShell Core, ChakraCore, Microsoft Office, and Microsoft Office Services and Web Apps.

This Patch Tuesday major critical vulnerabilities in browsers and browser-related technologies. Which includes four Remote Code Execution (RCE) vulnerabilities in the Microsoft Scripting Engine and eight vulnerabilities in the Microsoft Chakra Scripting Engine. These vulnerabilities are due to the way “Scripting Engine” handles objects in memory. This would affect Microsoft browsers Edge and IE.

Microsoft released the additional update for Meltdown and Spectre vulnerabilities for Windows 7 and Windows 8.1 for 32 bit versions and mitigation’s for Windows Server 2008/2012.

There are no Zero day vulnerabilities, but Microsoft included security patches for vulnerabilities reported in Zero Day Initiative team blog. As per ZDI “all of these involve bugs with input sanitization that could allow cross-site scripting (XSS) attacks,”.

In-The-Wild and Disclosed vulnerability (CVE-2018-0808):
A denial of service vulnerability exists in ASP.NET Core when handling the web requests. Successful exploitation of this vulnerability could allow an attacker cause a denial of service against an ASP.NET Core web application.

Microsoft Exchange Elevation of Privilege Vulnerability (CVE-2018-0940):
An elevation of privilege vulnerability exists when Microsoft Exchange Outlook Web Access (OWA) fails to properly sanitize links. Successful exploitation of this vulnerability could allow an attacker to gain elevated privileges and could override the OWA interface with a fake login page.

CredSSP Remote Code Execution Vulnerability (CVE-2018-0886):
A remote code execution vulnerability exists in Credential Security Support Provider protocol (CredSSP) that affects all versions of Windows and could allow remote attackers to exploit RDP and WinRM to steal data and run malicious code.

• Internet Explorer
• Microsoft Edge
• Microsoft Windows
• Microsoft Office and Microsoft Office Services and Web Apps
• Microsoft Exchange Server
• ASP.NET Core
• .NET Core
• PowerShell Core
• ChakraCore
• Adobe Flash

Microsoft security bulletin summary for March 2018:

Product: Internet ExplorerCVE’s/Advisory:CVE-2018-0889, CVE-2018-0891, CVE-2018-0927, CVE-2018-0929, CVE-2018-0932, CVE-2018-0935, CVE-2018-0942Severity: CriticalImpact: Remote Code ExecutionKB’s:4088776, 4088779, 4088782, 4088786, 4088787, 4088875, 4088876, 4088877, 4089187

Product: Microsoft EdgeCVE’s/Advisory:CVE-2018-0872, CVE-2018-0873, CVE-2018-0874, CVE-2018-0876, CVE-2018-0879, CVE-2018-0891, CVE-2018-0893, CVE-2018-0927, CVE-2018-0930, CVE-2018-0931, CVE-2018-0932, CVE-2018-0933, CVE-2018-0934, CVE-2018-0936, CVE-2018-0937, CVE-2018-0939Severity: CriticalImpact: Remote Code ExecutionKB’s:4088776, 4088779, 4088782, 4088786, 4088787

Product: Microsoft WindowsCVE’s/Advisory:CVE-2018-0811, CVE-2018-0813, CVE-2018-0814, CVE-2018-0815, CVE-2018-0816, CVE-2018-0817, CVE-2018-0868, CVE-2018-0877, CVE-2018-0878, CVE-2018-0880, CVE-2018-0881, CVE-2018-0882, CVE-2018-0883, CVE-2018-0884, CVE-2018-0885, CVE-2018-0886, CVE-2018-0888, CVE-2018-0894, CVE-2018-0895, CVE-2018-0896, CVE-2018-0897, CVE-2018-0898, CVE-2018-0899, CVE-2018-0900, CVE-2018-0901, CVE-2018-0902, CVE-2018-0904, CVE-2018-0926, CVE-2018-0977, CVE-2018-0983Severity: ImportantImpact: Denial of Service, Elevation of Privilege, Information Disclosure, Remote Code Execution, Security Feature BypassKB’s:4056564, 4073011, 4087398, 4088776, 4088779, 4088782, 4088786, 4088787, 4088827, 4088875, 4088876, 4088877, 4088878, 4088879, 4088880, 4089175, 4089229, 4089344, 4089453

Product: Microsoft Office and Microsoft Office Services and Web Apps
CVE’s/Advisory: CVE-2018-0903, CVE-2018-0907, CVE-2018-0909, CVE-2018-0910, CVE-2018-0911, CVE-2018-0912, CVE-2018-0913, CVE-2018-0914, CVE-2018-0915, CVE-2018-0916, CVE-2018-0917, CVE-2018-0919, CVE-2018-0921, CVE-2018-0922, CVE-2018-0923, CVE-2018-0944, CVE-2018-0947Severity: ImportantImpact: Elevation of Privilege, Information Disclosure, Remote Code Execution, Security Feature BypassKB’s:3114416, 4011023, 4011234, 4011665, 4011673, 4011674, 4011675, 4011688, 4011692, 4011695, 4011705, 4011709, 4011714, 4011720, 4011721, 4011727, 4011730, 4018291, 4018293, 4018298, 4018304, 4018305, 4018309

Product: Microsoft Exchange ServerCVE’s/Advisory:CVE-2018-0924, CVE-2018-0940, CVE-2018-0941Severity: ImportantImpact: Elevation of Privilege, Information DisclosureKB’s:4073392, 4073537

Product: ASP.NET CoreCVE’s/Advisory:CVE-2018-0787, CVE-2018-0808Severity: ImportantImpact: Elevation of Privilege, Denial of Service

Product: .NET CoreCVE’s/Advisory:CVE-2018-0875Severity: ImportantImpact: Denial of Service

Product: PowerShell CoreCVE’s/Advisory:CVE-2018-0875Severity: ImportantImpact: Denial of Service

Product: ChakraCoreCVE’s/Advisory:CVE-2018-0872, CVE-2018-0873, CVE-2018-0874, CVE-2018-0891, CVE-2018-0925, CVE-2018-0930, CVE-2018-0931, CVE-2018-0933, CVE-2018-0934, CVE-2018-0936, CVE-2018-0937, CVE-2018-0939Severity: CriticalImpact: Information Disclosure, Remote Code Execution

Product: Adobe FlashCVE’s/Advisory:ADV180006, CVE-2018-4919, CVE-2018-4920Severity: CriticalImpact: Remote Code ExecutionKB’s:4088785

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