Drupal Coder Module – Unauth RCE – SA-CONTRIB-2016-039

Note: This is an old write-up from 2016 but I was prompted to resurrect it after my tweet about it was recently retweeted. I do think it’s a good example…

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Another ColdFusion RCE – CVE-2018-4939

In October 2017 I published an overview and video proof-of-concept of a Java RMI/deserialization vulnerability affecting the Flex Integration service of Adobe ColdFusion. I held off on publishing all of…

POPping WordPress

Fun with PHP deserialization and some accidental WordPress bugs. A few months ago I was putting together a blog post on PHP deserialization vulnerabilities. I decided to look for a…

Analysis of CVE-2017-12628

This morning I spotted a tweet mentioning an “Apache James 3.0.1 JMX Server Deserialization” vulnerability, CVE-2017-12628, which caught my eye because I wrote a generic JMX deserialization exploit which is…

Java’s BaRMIe Back Door

A week ago I released a tool that I have been working on to enable security professionals to interact with applications that utilise Java’s Remote Method Invocation (RMI). This is…

Attacking Java Deserialization

Deserialization vulnerabilities are far from new, but exploiting them is more involved than other common vulnerability classes. During a recent client engagement I was able to take advantage of Java…