RCE

Authenticated Magento RCE with deserialized PHAR files

Back in August 2019, I reported a security vulnerability in Magento affecting versions 2.3.2, 2.3.3, and 2.3.4 using the HackerOne bug bounty platform. The bug impacted some installations of Magento and it allowed us to gain Remote Code Execution based on the way PHAR files are deserialized and by abusing Magento’s Protocol Directives.

Author(s)

Alexandru Postolache

Published at: 03 Aug 2022

How to exploit a Remote Code Execution vulnerability in Laravel (CVE-2021-3129)

I discovered this vulnerability for the first time in the Horizontall machine from Hack The Box, and the conditions in which it’s triggered pushed me to understand it in more detail. CVE-2021-3129 reminds me about a log poisoning vulnerability, but with a different flavor.

Author(s)

Iulian Tita

Published at: 03 Mar 2022

How to exploit the HTTP.sys Remote Code Execution vulnerability (CVE-2022-21907)

Pattern recognition is what hundreds of security specialists in our community voted as the skill to cultivate for a rewarding infosec career. While we have some innate pattern recognition abilities, developing them is essential – and that’s a matter of practice. Working in offensive security gives you plenty of opportunities to do this, with new vulnerabilities ripe for close examination. So let’s go ahead and do just that while discovering how this CVE carries echoes from another vulnerability from a while back.

Author(s)

Stefan Iridon

Published at: 28 Feb 2022

How to detect and exploit the Oracle WebLogic RCE (CVE-2020-14882 & CVE-2020-14883)

Pentesters love a good RCE, but, as much as we enjoy the thrill of detecting and exploiting it (ethically, of course), the tech ecosystem suffers every time one of these pops up. That’s why fast and effective recon and vulnerability assessment remain the go-to pentesting stages that help companies manage their risks so they can keep doing business and serving their customers. With your knowledge, experience, and advice, they can turn a potential hazard into a process that makes them stronger. Let’s take a closer look at the critical RCE vulnerability discovered in Oracle WebLogic Server and see how you can have a bigger positive impact in your organization and beyond it.

Author(s)

Catalin Iovita

Published at: 02 Feb 2022

How to detect and exploit CVE-2021-26084, the Confluence Server RCE

Thinking like an attacker is the right mindset that can help you better cope with this staggering growth of RCE vulnerabilities. As a pentester, you know it better than anyone. You’re also the best positioned to use your experience and know-how to detect exposed critical assets before malicious actors do. To help you help others, I’ll explore a critical RCE vulnerability in the Atlassian Confluence server across Linux and Windows in this practical guide packed with detection tactics and mitigation methods.

Author(s)

Iulian Tita

Published at: 31 Jan 2022

How to exploit the VMware vCenter RCE with Pentest-Tools.com (CVE-2021-21985)

More high-risk vulnerabilities mean more work for you. The good news? You won’t be out of work anytime soon. The bad news? You’ll probably work a lot more than you anticipate. So how do you balance the good and the not-so-great? By having a replicable process for when a high-risk CVE that leads to RCE hits your targets (the likes of CVE-2021-21985).

Author(s)

Stefan Iridon

Published at: 25 Jan 2022

December updates: 6 new ways to make your workflow smoother

Hope 2022 is off to a great start for you! Supporting your security efforts is what we do, so here’s a fresh batch of platform updates we rolled out at the end of 2021. Why check them out? Because they’ll help you get more work done, faster with the same tools and features you know (and hopefully love!).

Author(s)

Ioana Rijnetu

Published at: 20 Jan 2022

How we detect and exploit Log4Shell to help you find targets using vulnerable Log4j versions

We’re breaking down our technique for detecting CVE-2021-44228 (Log4Shell) because we believe our users should understand what’s happening behind the scanners so they can avoid a false sense of security.

Author(s)

Adrian Furtuna

Published at: 17 Dec 2021

How to detect the Zoho ManageEngine ADSelfService Plus RCE (CVE-2021-40539)

Overwhelmed by so many high-risk vulnerabilities that emerge? Thousands of them are disclosed every year and 2021 is no exception. Systems are complex, cyber attacks get more sophisticated, and patching is still a challenge for many organizations. As infosec pros, it’s our responsibility to help companies (and individuals) understand the real implications and impact of a critical vulnerability and help them find it before it gets worse.

Author(s)

Catalin Filip

Published at: 13 Dec 2021

Detect and exploit Gitlab CE/EE RCE with Pentest-Tools.com (CVE-2021-22205)

“Just patch it!” is the usual advice when a vulnerability hits (and it’s not a zero-day). But it’s never that simple in organizations that have to manage layers upon layers of infrastructure. When you have to deal with a critical CVE like the latest unauthenticated RCE in Gitlab (CVSSv3 10.0), the tangled, messy process of patching bubbles to the surface.

Author(s)

Daniel Bechenea

Published at: 05 Nov 2021

[New scanner] Detect vulnerable F5 BIG-IP devices with Pentest-Tools.com

Vulnerability scanners are powerful pentesting tools that help you discover critical flaws in your systems quickly and effectively. The more specific the tools, the more useful!

Author(s)

Ioana Rijnetu

Published at: 20 Jul 2020

The 17-year-old DNS vulnerability that leads to RCE in Windows

Previously on our blog, we unpacked vulnerabilities in web applications, firewalls, SMB protocols… and now we have a DNS one.

Author(s)

Cristian Cornea

Published at: 17 Jul 2020