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May 2020 Patch Tuesday – 111 Vulns, 16 Critical, SharePoint, VS Code, Adobe Patches

Continuing the trend of large Microsoft Patch Tuesdays, this month’s addresses 111 vulnerabilities with 16 of them labeled as Critical. The 16 Critical vulnerabilities cover SharePoint, Browsers, Scripting Engines, Media Foundation, Microsoft Graphics, Microsoft Color Management, and the VS Code Python Extension. Adobe released patches today for Acrobat/Reader, and DNG SDK.

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January 2020 Patch Tuesday – 50 Vulns, 8 Critical, Adobe Vulns

This month’s Microsoft Patch Tuesday addresses 50 vulnerabilities with only 8 of them labeled as Critical. Of the 8 Critical vulns, one is for browser and scripting engines, 3 are for .NET Framework and one for ASP.NET. In addition, Microsoft has patched 3 critical RCEs in Remote Desktop Gateway and Remote Desktop Client. Adobe issued patches today for Illustrator CC and Experience Manager.

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The New Year Calls for a Change in the OT Industry’s State of Security

In 2014, a Western European steel mill suffered serious damage from a phishing attack that penetrated its IT and Operational Technology (OT) networks (the software and hardware dedicated to monitoring and controlling physical devices) where attackers gained control of plant equipment. In 2018, 74% of OT organizations experienced a data breach. OT is deployed in critical industries like energy, utilities, and oil, and these vulnerabilities can cause ecological damage, negatively impact productivity, and compromise human safety.

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December 2019 Patch Tuesday – 36 Vulns, 7 Critical, Actively Attacked Win32k vuln, Adobe vulns

This month’s Patch Tuesday is rather light and addresses 36 vulnerabilities, with only 7 labeled as Critical. Five of the seven Critical vulns are in Git for Visual Studio. The others are for Hyper-V and Win32k. Also, there is one actively attacked “Important” vuln in Win32k. Adobe released patches today covering Acrobat/Reader, ColdFusion, Photoshop, and Brackets.

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November 2019 Patch Tuesday – 74 vulns, 13 Critical, Actively Attacked IE vuln, Hyper-V escapes, Adobe

This month’s Microsoft Patch Tuesday addresses 74 vulnerabilities with 13 of them labeled as Critical. Of the 13 Critical vulns, 5  are for browsers and scripting engines. Out of the 8 remaining Critical vulns, 4 are potential hypervisor escapes in Hyper-V, as well as vulnerabilities in Microsoft Exchange, Win32k, Windows Media Foundations, and OpenType. Adobe’s Patch Tuesday was on time this month, and covers 11 vulns spread across Animate, Illustrator, Media Encoder, and Bridge.

UPDATE
There are reports that the CVE-2019-1402 patches are causing issues with all supported versions of Microsoft Access. Microsoft has posted a document on the issue with upcoming fix dates and workarounds.

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October 2019 Patch Tuesday – 59 vulns, 9 Critical, Azure App Service, Remote Desktop Client, PoC for Windows Error Reporting

This month’s Microsoft Patch Tuesday addresses 59 vulnerabilities with only 9 of them labeled as Critical. Of the 9 Critical vulns, 7 of them are for browsers and scripting engines. The remaining 2 are for Azure App Service and Remote Desktop Client. In addition, PoC code has been published for an Important Windows Error Reporting vulnerability. Adobe has not posted any patches for Patch Tuesday, but did issue out-of-band patches for ColdFusion on September 24th.

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September 2019 Patch Tuesday – 79 Vulns, 17 Critical, Remote Desktop Client, SharePoint, Exploited PrivEsc

This month’s Microsoft Patch Tuesday addresses 79 vulnerabilities with 17 of them labeled as Critical. Of the 17 Critical vulns, 8 are for scripting engines and browsers, 4 are for the Remote Desktop Client, and 3 are for SharePoint. In addition, Microsoft has again patched a critical vulnerability in LNK files, along with a vuln in Azure DevOps / TFS. Adobe has also released patches for Flash and Application Manager.

Update: Following Patch Tuesday, Microsoft updated the entries for CVE-2019-1214 and CVE-2019-1215 to remove the “exploited” label.

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August 2019 Patch Tuesday – 93 Vulns, 29 Critical, 7 Remote Desktop Vulns, Hyper-V, DHCP, Adobe vulns

Update Aug 13, 2019: Detect and Patch Windows Remote Desktop Vulnerabilities

This month’s Microsoft Patch Tuesday addresses 93 vulnerabilities with 29 of them labeled as Critical. Of the 29 Critical vulns, 10 are for scripting engines and browsers, 6 for Windows Graphics/Font Library, and 4 are for Office apps. In addition, Microsoft has patched 4 (!) Critical RCEs in Remote Desktop (plus 3 Important), 2 for Hyper-V, 2 in DHCP Client/Server, and one for LNK files. Adobe has also released a large number of patches covering multiple products.

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July 2019 Patch Tuesday – 77 Vulns, 15 Critical, DHCP RCE, Exploited PrivEsc, SQL, Adobe Vulns

This month’s Microsoft Patch Tuesday addresses 77 vulnerabilities with 15 of them labeled as Critical. Of the 15 Critical vulns, 11 are for scripting engines and browsers, with the remaining four covering DHCP Server, GDI+, .NET Framework, and Azure DevOps Server / Team Foundation Server. In addition, Microsoft has released Important patches for two actively exploited privilege escalation vulnerabilities, as well as a SQL Server RCE. Microsoft also issued two advisories for Outlook on the web and Linux Kernel vulnerabilities. Adobe issued patches today for Bridge CC, Experience Manager, and Dreamweaver.

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Exim MTA Vulnerability (The Return of the WIZard – CVE-2019-10149)

Last week, Qualys issued a security advisory for a vulnerability we discovered during a code review of Exim. This vulnerability can lead to Remote Command Injection, and is currently being actively attacked in the wild. This blog will show you how to quickly identify assets that are impacted by this vulnerability.

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