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Microsoft September Patch Tuesday Summary

Published: 2018-09-11. Last Updated: 2018-09-11 22:33:07 UTC
by Johannes Ullrich (Version: 1)
2 comment(s)

Microsoft released patches for 61 vulnerabilities. In addition, we got two advisories. One for the usual update for Flash, and one for a Windows DoS vulnerability.

The DoS advisory covers "FragmentSmack", an issue first released mid-August. For Unix systems, the recommendation was to reduce the buffer space used for fragments. Microsoft is going a step further: It suggests to drop all out of order fragements. This step appears to be a bit "drastic" in that it can lead to valid data being dropped and something to consider if you tune your IDS accordingly.

This update also patches the "ALPC" privilege escalation flaw, which has already been exploited by malware. 

3 additional already disclosed vulnerabilities are patched (see table below for details)

See the Patch Tuesday Dashboard for more details.

Description
CVE Disclosed Exploited Exploitability (old versions) current version Severity CVSS Base (AVG) CVSS Temporal (AVG)
.NET Framework Remote Code Execution Vulnerability
CVE-2018-8421 No No Less Likely Less Likely Critical    
Azure IoT SDK Spoofing Vulnerability
CVE-2018-8479 No No - - Important    
Chakra Scripting Engine Memory Corruption Vulnerability
CVE-2018-8367 No No - - Critical 4.2 3.8
CVE-2018-8465 No No - - Critical 4.2 3.8
CVE-2018-8466 No No - - Critical 4.2 3.8
CVE-2018-8467 No No - - Critical 4.2 3.8
Device Guard Security Feature Bypass Vulnerability
CVE-2018-8449 No No More Likely More Likely Important 5.3 4.8
DirectX Graphics Kernel Elevation of Privilege Vulnerability
CVE-2018-8462 No No More Likely More Likely Important 7.0 6.3
Internet Explorer Memory Corruption Vulnerability
CVE-2018-8461 No No More Likely More Likely Critical 7.5 6.7
CVE-2018-8447 No No More Likely More Likely Critical 6.4 5.8
Internet Explorer Security Feature Bypass Vulnerability
CVE-2018-8470 No No - - Important 2.4 2.2
Lync for Mac 2011 Security Feature Bypass Vulnerability
CVE-2018-8474 No No - - Moderate    
MS XML Remote Code Execution Vulnerability
CVE-2018-8420 No No More Likely More Likely Critical 6.4 5.8
Microsoft Edge Elevation of Privilege Vulnerability
CVE-2018-8463 No No - - Important 4.3 3.9
CVE-2018-8469 No No - - Important 4.3 3.9
Microsoft Edge Information Disclosure Vulnerability
CVE-2018-8366 No No - - Important 4.3 3.9
Microsoft Edge PDF Remote Code Execution Vulnerability
CVE-2018-8464 No No - - Critical 4.2 3.8
Microsoft Edge Spoofing Vulnerability
CVE-2018-8425 No No - - Important 5.3 5.3
Microsoft Excel Information Disclosure Vulnerability
CVE-2018-8429 No No Less Likely Less Likely Important    
Microsoft Excel Remote Code Execution Vulnerability
CVE-2018-8331 No No - - Important    
Microsoft Graphics Component Information Disclosure Vulnerability
CVE-2018-8433 No No Less Likely Less Likely Important 4.7 4.2
Microsoft JET Database Engine Remote Code Execution Vulnerability
CVE-2018-8392 No No Less Likely Less Likely Important 7.8 7.0
CVE-2018-8393 No No Less Likely Less Likely Important 7.8 7.0
Microsoft Office SharePoint XSS Vulnerability
CVE-2018-8426 No No Less Likely Less Likely Important    
Microsoft Scripting Engine Information Disclosure Vulnerability
CVE-2018-8315 No No - - Important 4.2 3.8
Microsoft SharePoint Elevation of Privilege Vulnerability
CVE-2018-8428 No No Less Likely Less Likely Important    
CVE-2018-8431 No No Less Likely Less Likely Important    
OData Denial of Service Vulnerability
CVE-2018-8269 No No Less Likely Less Likely Important    
Scripting Engine Information Disclosure Vulnerability
CVE-2018-8452 No No - - Important 4.3 3.9
Scripting Engine Memory Corruption Vulnerability
CVE-2018-8354 No No - - Important 4.2 3.8
CVE-2018-8391 No No - - Critical 4.2 3.8
CVE-2018-8456 No No - - Critical 4.2 3.8
CVE-2018-8457 Yes No More Likely More Likely Critical 6.4 5.8
CVE-2018-8459 No No - - Critical 4.2 3.8
September 2018 Adobe Flash Security Update
ADV180023 No No - - Critical    
System.IO.Pipelines Denial of Service
CVE-2018-8409 Yes No Less Likely Less Likely Important    
Win32k Graphics Remote Code Execution Vulnerability
CVE-2018-8332 No No Less Likely Less Likely Critical 8.8 8.8
Windows ALPC Elevation of Privilege Vulnerability
CVE-2018-8440 Yes Yes More Likely More Likely Important 7.0 6.3
Windows Denial of Service Vulnerability
ADV180022 No No Less Likely Less Likely Important    
Windows Elevation of Privilege Vulnerability
CVE-2018-8468 No No More Likely More Likely Important 4.3 3.9
Windows GDI Information Disclosure Vulnerability
CVE-2018-8424 No No Less Likely Less Likely Important 4.7 4.2
Windows Hyper-V Denial of Service Vulnerability
CVE-2018-8436 No No - - Important 5.4 4.9
CVE-2018-8437 No No - - Important 5.4 4.9
CVE-2018-8438 No No Less Likely Less Likely Important 5.8 5.2
Windows Hyper-V Information Disclosure Vulnerability
CVE-2018-8434 No No Less Likely Less Likely Important 5.4 4.9
Windows Hyper-V Remote Code Execution Vulnerability
CVE-2018-0965 No No Less Likely Less Likely Critical 7.6 6.8
CVE-2018-8439 No No Less Likely Less Likely Critical 7.6 6.8
Windows Hyper-V Security Feature Bypass Vulnerability
CVE-2018-8435 No No Less Likely Less Likely Important 4.2 3.8
Windows Information Disclosure Vulnerability
CVE-2018-8271 No No Less Likely Less Likely Important 2.5 2.5
Windows Kernel Elevation of Privilege Vulnerability
CVE-2018-8455 No No Less Likely Less Likely Important 7.0 6.3
Windows Kernel Information Disclosure Vulnerability
CVE-2018-8336 No No - - Important 2.5 2.5
CVE-2018-8419 No No Less Likely Less Likely Important 4.7 4.2
CVE-2018-8442 No No More Likely More Likely Important 4.7 4.2
CVE-2018-8443 No No Less Likely Less Likely Important 4.7 4.2
CVE-2018-8445 No No - - Important 4.7 4.2
CVE-2018-8446 No No Less Likely Less Likely Important 4.7 4.2
Windows Registry Elevation of Privilege Vulnerability
CVE-2018-8410 No No More Likely More Likely Important 7.0 6.3
Windows Remote Code Execution Vulnerability
CVE-2018-8475 Yes No More Likely More Likely Critical 8.8 7.9
Windows SMB Denial of Service Vulnerability
CVE-2018-8335 No No Less Likely Less Likely Important 4.8 4.8
Windows SMB Information Disclosure Vulnerability
CVE-2018-8444 No No - - Important 7.0 6.3
Windows Subsystem for Linux Elevation of Privilege Vulnerability
CVE-2018-8441 No No - - Important 7.0 6.3
Windows Subsystem for Linux Security Feature Bypass Vulnerability
CVE-2018-8337 No No - - Important 5.3 4.8
Word PDF Remote Code Execution Vulnerability
CVE-2018-8430 No No More Likely More Likely Important    

 

---
Johannes B. Ullrich, Ph.D. , Dean of Research, SANS Technology Institute
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Keywords: microsoft patch Tuesday patches
2 comment(s)
My next class:
Network Monitoring and Threat Detection In-DepthSingaporeNov 18th - Nov 23rd 2024

Comments

Hi Johannes (or anyone else looking into this)

Can we double-check the CVSS evaluation for CVE-2018-8332
There seems to be confusion about whether User interaction is required or not, which could significantly effect the score.

Anonymous

Sep 11th 2018
6 years ago

I am getting increasingly annoyed at the CVE links being dead links when the diary goes live. MS stopped publishing good information. Boo.

Anonymous

Sep 12th 2018
6 years ago

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