Elephants and their vulnerabilities. Most epic CVEs in PostgreSQL

Date: 04/04/2022

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Once a quarter, PostgreSQL publishes minor releases containing vulnerabilities. Sometimes, such bugs make it possible to make an unprivileged user a local king superuser. To fix them, Postgres DBAs release patches simultaneously with the updates and sleep peacefully. However, many forks share a large codebase with PG and remain vulnerable! I reviewed the historical Postgres CVEs in search of interesting security holes and found plenty of exciting stuff there.
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Timeline of everything. Collecting system events with Plaso

Date: 16/02/2022

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As you are likely aware, forensic analysis tools quickly become obsolete, while hackers continuously invent new techniques enabling them to cover tracks! As a result, valiant DFIR (Digital Forensics and Incident Response) fighters suffer fiascoes on a regular basis. So, I suggest to put aside the outdated (but no less sharp Scalpel) for now and look around for new tools.
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EVE-NG: Building a cyberpolygon for hacking experiments

Date: 15/02/2022

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Virtualization tools are required in many situations: testing of security utilities, personnel training in attack scenarios or network infrastructure protection, etc. Some admins reinvent the wheel by assembling fearsome combinations of virtual machines and all kinds of software. I suggest another way: set up an emulation platform using EVE-NG and create on its basis a universal scalable cyberpolygon enabling networking and security specialists to polish their skills.
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Reverse shell of 237 bytes. How to reduce the executable file using Linux hacks

Date: 15/02/2022

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Once I was asked: is it possible to write a reverse shell some 200 bytes in size? This shell should perform the following functions: change its name and PID on a regular basis, make you coffee, and hack the Pentagon… Too bad, this is most likely impossible. But the task seemed interesting and challenging to me. Let’s see whether it can be implemented.
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Dangerous developments: An overview of vulnerabilities in coding services

Date: 09/02/2022

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Development and workflow management tools represent an entire class of programs whose vulnerabilities and misconfigs can turn into a real trouble for a company using such software. For a pentester, knowledge of these bugs is a way to successful exploitation; while for an admin, it’s a great opportunity to enhance the protection. This article discusses vulnerabilities discovered in Jira, Confluence, Asana, Docker, GitLab, and other similar products.
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