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SpiderLabs Blog

Patch Tuesday, April 2018

April 10, 2018 3 minutes read Karl Sigler

April's Patch Tuesday didn't let up much compared to March. Overall April brings with it patches for 70 vulnerabilities including 27 rated as "Critical", 42 rated as "Important" and 1 rated as "Moderate". Along with most of our "usual suspects", the MS Chakra Scripting Engine is back this month with seven RCE vulnerabilities patched. The MS Chakra Scripting Engine is implemented in Internet Explorer 9 as an interpreter for Microsoft's JScript language and made its first appearance last month with eight CVEs patched.

The big news this month is the out of band patch released for Microsoft Malware Protection Engine. The vulnerability (CVE-2018-0986) is a remote code execution bug in a DLL used by the Malware Protection Engine. It's always unfortunate when the software we use to protect us actually put us at more risk. Luckily the vulnerability was discovered by security researchers at Google instead of by criminals, so we have a chance to patch this vulnerability before it gets exploited.

The vulnerabilities rated as "Important" also includes many patches to be aware of. This list includes patches for server software that is often positioned with public access leaving them more at risk. Affected packages include HTTP.sys, Hyper-V, and SharePoint. Client software doesn't escape either as there are dozens of patches that fix vulnerabilities in IE, Edge, the MS Graphics Engine, and the Office suite, including RCE issues in MS Excel.

Let's hope that May's release is smaller, but until then let's get patching.

 

Critical

April 2018 Adobe Flash Security Update
ADV180007
Remote Code Execution

Chakra Scripting Engine Memory Corruption Vulnerability
CVE-2018-0979, CVE-2018-0980, CVE-2018-0990, CVE-2018-0993, CVE-2018-0994, CVE-2018-0995, CVE-2018-1019
Remote Code Execution

Hyper-V Remote Code Execution Vulnerability
CVE-2018-0959
Remote Code Execution

Internet Explorer Memory Corruption Vulnerability
CVE-2018-0870, CVE-2018-0991, CVE-2018-1018, CVE-2018-1020
Remote Code Execution

Microsoft Browser Memory Corruption Vulnerability
CVE-2018-1023
Remote Code Execution

Microsoft Edge Memory Corruption Vulnerability
CVE-2018-1022
Remote Code Execution

Microsoft Graphics Remote Code Execution Vulnerability
CVE-2018-1010, CVE-2018-1012, CVE-2018-1013, CVE-2018-1015, CVE-2018-1016
Remote Code Execution

Microsoft Malware Protection Engine Remote Code Execution Vulnerability
CVE-2018-0986
Remote Code Execution

Scripting Engine Information Disclosure Vulnerability
CVE-2018-0981, CVE-2018-1000, CVE-2018-1002, CVE-2018-0988, CVE-2018-0996
Information Disclosure

Windows VBScript Engine Remote Code Execution Vulnerability
CVE-2018-1004
Remote Code Execution

 

Important

Active Directory Security Feature Bypass Vulnerability
CVE-2018-0890
Security Feature Bypass

Device Guard Security Feature Bypass Vulnerability
CVE-2018-0966
Security Feature Bypass

HTTP.sys Denial of Service Vulnerability
CVE-2018-0956
Denial of Service

Hyper-V Information Disclosure Vulnerability
CVE-2018-0957, CVE-2018-0964
Information Disclosure

Internet Explorer Memory Corruption Vulnerability
CVE-2018-0997
Remote Code Execution

Microsoft DirectX Graphics Kernel Subsystem Elevation of Privilege Vulnerability
CVE-2018-1009
Elevation of Privilege

Microsoft Edge Information Disclosure Vulnerability
CVE-2018-0871, CVE-2018-0892, CVE-2018-0998
Information Disclosure

Microsoft Excel Remote Code Execution Vulnerability
CVE-2018-0920, CVE-2018-1011, CVE-2018-1027, CVE-2018-1029
Remote Code Execution

Microsoft JET Database Engine Remote Code Execution Vulnerability
CVE-2018-1003
Remote Code Execution

Microsoft Office Graphics Remote Code Execution Vulnerability
CVE-2018-1028
Remote Code Execution

Microsoft Office Information Disclosure Vulnerability
CVE-2018-0950, CVE-2018-1007
Information Disclosure

Microsoft Office Remote Code Execution Vulnerability
CVE-2018-1026, CVE-2018-1030
Remote Code Execution

Microsoft SharePoint Elevation of Privilege Vulnerability
CVE-2018-1005, CVE-2018-1014, CVE-2018-1032, CVE-2018-1034
Elevation of Privilege

Microsoft Visual Studio Information Disclosure Vulnerability
CVE-2018-1037
Information Disclosure

Microsoft Wireless Keyboard 850 Security Feature Bypass Vulnerability
CVE-2018-8117
Security Feature Bypass

OpenType Font Driver Elevation of Privilege Vulnerability
CVE-2018-1008
Elevation of Privilege

Scripting Engine Information Disclosure Vulnerability
CVE-2018-0987, CVE-2018-0989
Information Disclosure

Scripting Engine Memory Corruption Vulnerability
CVE-2018-1001
Remote Code Execution

Windows Kernel Elevation of Privilege Vulnerability
CVE-2018-0963
Elevation of Privilege

Windows Kernel Information Disclosure Vulnerability
CVE-2018-0887, CVE-2018-0960, CVE-2018-0968, CVE-2018-0969, CVE-2018-0970, CVE-2018-0971, CVE-2018-0972, CVE-2018-0973, CVE-2018-0974, CVE-2018-0975
Information Disclosure

Windows Remote Desktop Protocol (RDP) Denial of Service Vulnerability
CVE-2018-0976
Denial of Service

Windows SNMP Service Denial of Service Vulnerability
CVE-2018-0967
Denial of Service

 

Moderate

Microsoft Graphics Component Denial of Service Vulnerability
CVE-2018-8116
Denial of Service

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