========================= Title =========================================
CVE-2013-1491 PoC using JIT-Spray by Yuki Chen (古河)
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Twitter: @guhe120
Weibo: http://weibo.com/u/1874932054
========================= About this PoC =========================================
This exploit is a proof-of-concept exploit which demonstrates how to exploite java native vulnerabilities with Java-JIT-Spray technique. It is developped and only tested on Windows 7 enterprise 32 bits.
This vulnerability was discovered by Jushua J Drake (jduck) of accuvantlabs. For the detail of this vulnerability, see: http://blog.accuvantlabs.com/sites/default/files/Papers/Pwn2Own%202013%20-%20Java%207%20SE%20Memory%20Corruption.pdf
For more details of java jit spray technique, see my slides at SyScan360: http://aj43xnbacx.l31.yunpan.cn/lk/QGb98dgpj74YJ
========================= How to compile ======================================
To compile the source code, you need jdk and python installed.
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Make sure "javac" and "python" is in your path environments.
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Check out the source under "src", open a terminal and change the dir to the "src" folder.
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run the following command: make.bat 40 60
Where the first parameter "40" means each class file contains 40 JIT functions, and the second parameter "60" means we will spray totally 60 classes.
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After running the command, a jar file named "Exploit.jar" will be generated within the same folder.
========================= How to test =========================================
Environment: JRE 7u17 + Windows 7 32bits (english version)
- Put the two files "HelloApplet.html" and "Exploit.jar" in the same folder, copy them to your test machine.
- Open HelloApplet.html in your web browser, if exploit success, you will see a calculator.
Note: The jit-spray takes some time (7 ~ ?? seconds depends on your test machine). Please wait with patient while spraying :)
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