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CVE-2018-2879 is a vulnerability in the Authentication Engine subcomponent of Oracle Access Manager, affecting versions 11.1.2.3.0 and 12.2.1.3.0. The flaw allows an unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. The vulnerability is difficult to exploit but, if successful, can result in a full takeover of the affected Oracle Access Manager instance. The vulnerability may also have significant impact on additional products that rely on Oracle Access Manager for authentication.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a multithreaded exploit for CVE-2018-2879, a padding oracle vulnerability in Oracle Access Manager (OAM). The main file, oambuster.py, is a Python script that automates the attack in three stages: (1) determining the block size of the encrypted cookie, (2) brute-forcing a block to find a space character, and (3) performing a multithreaded padding oracle attack to decrypt or encrypt OAM authentication cookies. The script interacts with the target OAM instance over HTTP, sending crafted requests and analyzing responses to infer padding validity. The exploit can be used to decrypt authentication cookies or forge new ones, potentially allowing an attacker to impersonate users. The README provides background and usage instructions. The code is operational and requires the attacker to specify the target hostname. No hardcoded credentials or IPs are present, but the script is designed to be pointed at any vulnerable OAM instance.
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