NEWS FROM THE LAB - Tuesday, April 23, 2013

CVE-2013-2423 Java Vulnerability Exploit ITW Posted by SecResponse @ 14:36 GMT

A few days after Oracle released its critical patch for Java, and CVE-2013-2423 is already being exploited. Upon checking the history, the exploitation seems to have begun on April 21st and is still actively happening (as of this post):

url_list (122k image)

For a closer look, the image below contains a comparison of the classes found in the Metasploit module and that of the ITW sample:

Metasploit (95k image)

Interestingly, the Metasploit module was published on the 20th, and as mentioned earlier, the exploit was seen in the wild the day after.

Information about the PoC can be found here.

Files are detected as Exploit:Java/Majava.B.

Sample hashes:

Post by — Karmina and @Timo