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Alexander V. Leonov

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 […]

Alexander V. Leonov
#vulnerability#web#mac#windows#google#microsoft#linux#rce#samba#buffer_overflow#auth#ibm#chrome#sap#blog
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 […]

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 […]

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. All vulnerabilities: 105Urgent: 2Critical: 1High: 29Medium: 71Low: 2 Let’s take a look at the most interesting vulnerabilities: Two […]

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 […]

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 […]

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 […]

Scanvus – my open source Vulnerability Scanner for Linux hosts and Docker images

Hello everyone! This video was recorded for the VMconf 22 Vulnerability Management conference, vmconf.pw. I will be talking about my open source project Scanvus. This project is already a year old and I use it almost every day. Alternative video link (for Russia): https://vk.com/video-149273431_456239100 Scanvus (Simple Credentialed Authenticated Network VUlnerability Scanner) is a vulnerability scanner for Linux. Currently for Ubuntu, Debian, CentOS, […]

Microsoft Patch Tuesday August 2022: DogWalk, Exchange EOPs, 13 potentially dangerous, 2 funny, 3 mysterious vulnerabilities

Hello everyone! In this episode, let’s take a look at the Microsoft Patch Tuesday August 2022 vulnerabilities. I use my Vulristics vulnerability prioritization tool as usual. I take comments for vulnerabilities from Tenable, Qualys, Rapid7, ZDI and Kaspersky blog posts. Also, as usual, I take into account the vulnerabilities added between the July and August […]

Vulnerability Management news and publications #2

Hello everyone! This is the second episode of Vulnerability Management news and publications. In fact, this is a collection of my posts from the avleonovcom and avleonovrus telegram channels. Therefore, if you want to read them earlier, subscribe to these channels. Alternative video link (for Russia): https://vk.com/video-149273431_456239097 What’s in this episode: Microsoft released a propaganda […]