Microsoft Patch Tuesday December 2022: SPNEGO RCE, Mark of the Web Bypass, Edge Memory Corruptions

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Microsoft Patch Tuesday December 2022: SPNEGO RCE, Mark of the Web Bypass, Edge Memory Corruptions. Hello everyone! This episode will be about Microsoft Patch Tuesday for December 2022, including vulnerabilities that were added between November and December Patch Tuesdays. As usual, I use my open source Vulristics project to analyse and prioritize vulnerabilities.

Alternative video link (for Russia): https://vk.com/video-149273431_456239112

But let’s start with an older vulnerability. This will be another example why vulnerability prioritization is a tricky thing and you should patch everything. In the September Microsoft Patch Tuesday there was a vulnerability Information Disclosure – SPNEGO Extended Negotiation (NEGOEX) Security Mechanism (CVE-2022-37958), which was completely unnoticed by everyone. Not a single VM vendor paid attention to it in their reviews. I didn’t pay attention either.

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Is it possible to detect Zero Day vulnerabilities with Vulnerability Management solutions?

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Is it possible to detect Zero Day vulnerabilities with Vulnerability Management solutions? Hello everyone! In my English-language telegram chat avleonovchat, the question was asked: “How to find zero day vulnerabilities with Qualys?” Apparently this question can be expanded. Not just with Qualys, but with any VM solution in general. And is it even possible? There was an interesting discussion.

Alternative video link (for Russia): https://vk.com/video-149273431_456239109

Image generated by Stable Diffusion 2.1: “calendar on the wall cyber security vulnerability zero day”

The question is not so straightforward. To answer it, we need to define what a Zero Day vulnerability is. If we look at wikipedia, then historically “0” is the number of days a vendor has to fix a vulnerability.

“Eventually the term was applied to the vulnerabilities that allowed this hacking, and to the number of days that the vendor has had to fix them.”

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Microsoft Patch Tuesday November 2022: Exchange ProxyNotShell RCE, JScript9, MoTW, OpenSSL, Edge, CNG, Print Spooler

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Microsoft Patch Tuesday November 2022: Exchange ProxyNotShell RCE, JScript9, MoTW, OpenSSL, Edge, CNG, Print Spooler. Hello everyone! This episode will be about Microsoft Patch Tuesday for November 2022, including vulnerabilities that were added between October and November Patch Tuesdays. As usual, I use my open source Vulristics project to create the report.

Alternative video link (for Russia): https://vk.com/video-149273431_456239107

The most important news of this Patch Tuesday was a release of patches for ProxyNotShell Remote Code Execution – Microsoft Exchange (CVE-2022-41040, CVE-2022-41082) mentioned in the previous episode. These vulnerabilities became public on September 28, and updates for this vulnerability did not appear until November 8. Microsoft could have acted more quickly. But it’s good that the problem with these actively exploited vulnerabilities is finally solved.

But besides ProxyNotShell, this November Patch Tuesday had a lot of interesting vulnerabilities. Let’s take a look.

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Microsoft Patch Tuesday October 2022: Exchange ProxyNotShell RCE, Windows COM+ EoP, AD EoP, Azure Arc Kubernetes EoP

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Microsoft Patch Tuesday October 2022: Exchange ProxyNotShell RCE, Windows COM+ EoP, AD EoP, Azure Arc Kubernetes EoP. Hello everyone! This episode will be about Microsoft Patch Tuesday for October 2022, including vulnerabilities that were added between September and October Patch Tuesdays. As usual, I use my open source Vulristics project to create the report.

Alternative video link (for Russia): https://vk.com/video-149273431_456239106

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Joint Advisory AA22-279A and Vulristics

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Joint Advisory AA22-279A and Vulristics. Hello everyone! This episode will be about the new hot twenty vulnerabilities from CISA, NSA and FBI, Joint cybersecurity advisory (CSA) AA22-279A, and how I analyzed these vulnerabilities using my open source project Vulristics.

Alternative video link (for Russia): https://vk.com/video-149273431_456239105

Americans can’t just release a list of “20 vulnerabilities most commonly exploited in attacks on American organizations.” They like to add geopolitics and point the finger at some country. Therefore, I leave the attack attribution mentioned in the advisory title without comment.

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How to Perform a Free Ubuntu Vulnerability Scan with OpenSCAP and Canonical’s Official OVAL Content

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How to Perform a Free Ubuntu Vulnerability Scan with OpenSCAP and Canonical’s Official OVAL Content. Hello everyone! Five years ago I wrote a blogpost about OpenSCAP. But it was only about the SCAP Workbench GUI application and how to use it to detect security misconfigurations.

Alternative video link (for Russia): https://vk.com/video-149273431_456239104

This time, I will install the OpenSCAP command line tool on Ubuntu and use it to check for vulnerabilities on my local host.

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Microsoft Patch Tuesday September 2022: CLFS Driver EoP, IP packet causes RCE, Windows DNS Server DoS, Spectre-BHB

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Microsoft Patch Tuesday September 2022: CLFS Driver EoP, IP packet causes RCE, Windows DNS Server DoS, Spectre-BHB. Hello everyone! Let’s take a look at Microsoft’s September Patch Tuesday. This time it is quite compact. There were 63 CVEs released on Patch Tuesday day. If we add the vulnerabilities released between August and September Patch Tuesdays (as usual, they were in Microsoft Edge), the final number is 90. Much less than usual.

Alternative video link (for Russia): https://vk.com/video-149273431_456239101

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