<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="4.2.2">Jekyll</generator><link href="https://wouter.coekaerts.be/feed" rel="self" type="application/atom+xml" /><link href="https://wouter.coekaerts.be/" rel="alternate" type="text/html" /><updated>2024-11-29T23:03:52+01:00</updated><id>https://wouter.coekaerts.be/feed</id><title type="html">Wouter Coekaerts</title><subtitle>Wouter Coekaerts personal site</subtitle><author><name>wouter</name></author><entry><title type="html">FlowTracker - Track data flowing through Java programs</title><link href="https://wouter.coekaerts.be/2024/flowtracker" rel="alternate" type="text/html" title="FlowTracker - Track data flowing through Java programs" /><published>2024-09-13T02:00:00+02:00</published><updated>2024-09-13T02:00:00+02:00</updated><id>https://wouter.coekaerts.be/2024/flowtracker</id><author><name>wouter</name></author><category term="java" /><summary type="html"><![CDATA[Announcing FlowTracker: a Java agent that tracks data flowing through Java programs]]></summary></entry><entry><title type="html">Breaking java.lang.String</title><link href="https://wouter.coekaerts.be/2023/breaking-string" rel="alternate" type="text/html" title="Breaking java.lang.String" /><published>2023-07-11T02:00:00+02:00</published><updated>2023-07-11T02:00:00+02:00</updated><id>https://wouter.coekaerts.be/2023/breaking-string</id><author><name>wouter</name></author><category term="java" /><category term="puzzle" /><summary type="html"><![CDATA[Let&apos;s abuse a bug in java.lang.String]]></summary></entry><entry><title type="html">Java Puzzle 10: No Dot - Solution</title><link href="https://wouter.coekaerts.be/2019/puzzle-no-dot-solution" rel="alternate" type="text/html" title="Java Puzzle 10: No Dot - Solution" /><published>2019-09-13T23:47:30+02:00</published><updated>2019-09-13T23:47:30+02:00</updated><id>https://wouter.coekaerts.be/2019/puzzle-no-dot-solution</id><author><name>wouter</name></author><category term="java" /><category term="puzzle" /><category term="solution" /><summary type="html"><![CDATA[Java challenge: Write Hello World without using a dot, backslash, or semicolon]]></summary></entry><entry><title type="html">The Java type system is broken</title><link href="https://wouter.coekaerts.be/2018/java-type-system-broken" rel="alternate" type="text/html" title="The Java type system is broken" /><published>2018-05-16T19:22:30+02:00</published><updated>2018-05-16T19:22:30+02:00</updated><id>https://wouter.coekaerts.be/2018/java-type-system-broken</id><author><name>wouter</name></author><category term="java" /><summary type="html"><![CDATA[The Java type system is broken]]></summary></entry><entry><title type="html">More serialization hacks with AnnotationInvocationHandler</title><link href="https://wouter.coekaerts.be/2015/annotationinvocationhandler" rel="alternate" type="text/html" title="More serialization hacks with AnnotationInvocationHandler" /><published>2015-11-09T12:10:24+01:00</published><updated>2015-11-09T12:10:24+01:00</updated><id>https://wouter.coekaerts.be/2015/annotationinvocationhandler</id><author><name>wouter</name></author><category term="security" /><category term="java" /><summary type="html"><![CDATA[In this post we take a look at two Java serialization vulnerability gadgets]]></summary></entry><entry><title type="html">Java Puzzle 9: Tweet - Solution</title><link href="https://wouter.coekaerts.be/2015/puzzle-tweet-solution" rel="alternate" type="text/html" title="Java Puzzle 9: Tweet - Solution" /><published>2015-02-10T06:43:56+01:00</published><updated>2015-02-10T06:43:56+01:00</updated><id>https://wouter.coekaerts.be/2015/puzzle-tweet-solution</id><author><name>wouter</name></author><category term="java" /><category term="puzzle" /><category term="solution" /><summary type="html"><![CDATA[Java puzzle, write A to win: class B extends A{B(Long i){new B(i/Long.compare(i,i));System.out.println(&quot;Win&quot;);}}]]></summary></entry><entry><title type="html">Java Puzzle 9: Tweet</title><link href="https://wouter.coekaerts.be/2015/puzzle-tweet" rel="alternate" type="text/html" title="Java Puzzle 9: Tweet" /><published>2015-02-02T18:38:01+01:00</published><updated>2015-02-02T18:38:01+01:00</updated><id>https://wouter.coekaerts.be/2015/puzzle-tweet</id><author><name>wouter</name></author><category term="java" /><category term="puzzle" /><summary type="html"><![CDATA[Short but challenging, a puzzle that fits in a tweet, exploring the power a superclass has over its subclass]]></summary></entry><entry><title type="html">Resurrecting a PhantomReference</title><link href="https://wouter.coekaerts.be/2015/resurrecting-phantomreference" rel="alternate" type="text/html" title="Resurrecting a PhantomReference" /><published>2015-01-20T23:11:56+01:00</published><updated>2015-01-20T23:11:56+01:00</updated><id>https://wouter.coekaerts.be/2015/resurrecting-phantomreference</id><author><name>wouter</name></author><category term="security" /><category term="java" /><summary type="html"><![CDATA[In this post, you'll learn about Java necromancy: how to resurrect objects back from the dead. We will abuse a recently fixed security bug in the JDK to trick the garbage collector to get ahold of an object to which no living object should have a connection.]]></summary></entry><entry><title type="html">Java Puzzle 7: Cookies - Solution</title><link href="https://wouter.coekaerts.be/2012/puzzle-cookies-solution" rel="alternate" type="text/html" title="Java Puzzle 7: Cookies - Solution" /><published>2012-08-12T23:43:23+02:00</published><updated>2012-08-12T23:43:23+02:00</updated><id>https://wouter.coekaerts.be/2012/puzzle-cookies-solution</id><author><name>wouter</name></author><category term="java" /><category term="puzzle" /><category term="solution" /><summary type="html"><![CDATA[Here's the solution to the cookies puzzle!]]></summary></entry><entry><title type="html">Java Puzzle 7: Cookies</title><link href="https://wouter.coekaerts.be/2012/java-puzzle-cookies" rel="alternate" type="text/html" title="Java Puzzle 7: Cookies" /><published>2012-08-07T22:21:48+02:00</published><updated>2012-08-07T22:21:48+02:00</updated><id>https://wouter.coekaerts.be/2012/java-puzzle-cookies</id><author><name>wouter</name></author><category term="java" /><category term="puzzle" /><summary type="html"><![CDATA[Learn how to count down with Count von Count and Cookie Monster!]]></summary></entry></feed>