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ForgeRock OpenAM versions prior to 13.5.1 are vulnerable to LDAP injection via the Webfinger protocol. The vulnerability allows an attacker to inject arbitrary LDAP queries, enabling character-by-character retrieval of sensitive information such as password hashes, session tokens, or private keys. The attack can be performed without authentication, significantly increasing the risk.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a Go-based proof-of-concept exploit for CVE-2021-29156, an LDAP injection vulnerability in ForgeRock OpenAM version 13.0.0. The exploit consists of a single main Go file (main.go) and a README.md with background and usage instructions. The exploit works by sending specially crafted HTTP GET requests to the OpenAM server's /.well-known/webfinger endpoint, leveraging LDAP injection to brute-force and extract the password hash of a specified user (default: amAdmin). The attack is performed character by character, using a configurable keyspace and rate limit. The tool supports the use of a local HTTP proxy for request inspection. The code is a functional proof-of-concept and can be adapted to extract other data from the OpenAM instance by modifying the payloads. No hardcoded external endpoints are present; the user must configure the target base URL and proxy as needed.
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