Ensure Oracle E-Business Suite is patched against CVE-2022-21587 .
Attackers use a specially crafted ZIP file (often named hax.zip in security write-ups) to bypass directory restrictions. Mechanism: The system accepts a uuencoded file.
Help you has been targeted by this exploit? Oracle CVE-2022-21587 Technical Analysis - Zybnev Sergey
Typically includes a simple JSP script that accepts commands via HTTP parameters (e.g., cmd.jsp?cmd=whoami ).
Restrict write permissions on web-accessible directories to prevent the execution of uploaded scripts.