Ensure Oracle E-Business Suite is patched against CVE-2022-21587 .
Typically includes a simple JSP script that accepts commands via HTTP parameters (e.g., cmd.jsp?cmd=whoami ).
The vulnerability exists in the BneMultipartRequest class, which handles file uploads for the Oracle Web Applications Desktop Integrator (Web ADI). Arbitrary File Upload leading to RCE. hAX.zip
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.
The ZIP itself is often wrapped in uuencode format to satisfy specific backend processing requirements before it is unzipped. 🛡️ Mitigation and Detection If you are analyzing this file or its behavior on a server: Arbitrary File Upload leading to RCE
Look for unusual ZIP extractions in system logs or the presence of .jsp files in unexpected directories like /OA_HTML/ .
Security researchers often structure this ZIP file to exploit the extraction process: The ZIP itself is often wrapped in uuencode
Help you has been targeted by this exploit? Oracle CVE-2022-21587 Technical Analysis - Zybnev Sergey