Die siberas GmbH ein auf Sicherheitsanalysen und Penetrationstests spezialisiertes Beratungsunternehmen, welches Sie herstellerunabhängig und kompetent im Bereich IT-Sicherheit berät.


TYPO3-CORE-SA-2016-013 analysis

TYPO3 is an enterprise Open Source CMS based on PHP. While it might not be as well-known as competitors like Joomla or Wordpress, it has quite a high market share here in Germany. During a recent penetration test I had to deal with an outdated Typo3 installation that was vulnerable to CVE-2016-5091. As details for this vulnerability were not publicly available, I thought I share my analysis.

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Pwning Adobe Reader - SyScan360 and Infiltrate 2016 slide decks

Hi everyone, in the last few weeks I’ve given two presentations (@ SyScan360, Singapore and Infiltrate, Miami) about Pwning Adobe Reader using its embedded XFA engine.

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Pwn2Own 2014 - Escaping the sandbox through AFD.sys

This year Andy and I were finally able to take part in the Pwn2Own contest during the CanSecWest conference in Vancouver. We won the Internet Explorer 11 competition by compromising a fully-patched Windows 8.1 (x64) system. For successful exploitation we abused three distinct vulnerabilities:

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Custom Viewer

With release 0.9.17 watobo introduced a new viewer pane. This custom viewer gives you full control of how the output should look like. It enables you to parse the response (extract, format, decode, …) and display only the relevant parts by using the power of ruby – an example will follow shortly. The custom viewer is available in the main window’s response viewer as well as in the manual request editor response - the latter we use for this tutorial.

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Installing FX/Ruby on (Kali) Linux

As most of the common linux distribution also Kali Linux has its own ruby package. But using these pre-built packages is often a pain in the … ahm … not the best choice, especially if you need to compile your own modules. From my experiences with Ruby on linux, I recommend to use RVM (Ruby Version Manager) for installing Ruby. This little tutorial will show you how to install (FX)Ruby on Kali Linux.

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