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A vulnerability in OpenMetadata's JwtFilter allows authentication bypass due to improper path validation when handling JWT tokens. The filter checks if the request path contains any excluded endpoints and skips JWT validation if so. However, attackers can manipulate path parameters to inject arbitrary strings, causing the filter to incorrectly match excluded endpoints and bypass authentication. This can allow unauthenticated access to protected endpoints, including those vulnerable to arbitrary SpEL expression injection. The issue is fixed in version 1.2.4.
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2 valid exploits after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module (modules/exploits/linux/http/openmetadata_auth_bypass_rce.rb) that exploits a chain of two vulnerabilities in OpenMetadata (CVE-2024-28255 and CVE-2024-28254) affecting versions 1.2.3 and below. The exploit first bypasses authentication by abusing path parameter parsing in the JWT filter, then leverages a SpEL injection vulnerability to achieve unauthenticated remote command execution via the /api/v1/events/subscriptions/validation/condition/<expression> endpoint. The module is written in Ruby and is fully integrated into the Metasploit framework, supporting payload customization and automated exploitation. The exploit is weaponized, providing reliable unauthenticated RCE on vulnerable OpenMetadata instances. The code also includes version detection logic and targets both Linux and Unix platforms. Multiple fingerprintable HTTP endpoints are used for authentication bypass and exploitation.
This repository contains a Python proof-of-concept exploit for CVE-2024-28255, a remote code execution vulnerability in OpenMetadata. The main script, 'CVE-2024-28255.py', allows users to scan single or multiple targets (via a file) for the vulnerability by sending a specially crafted HTTP GET request to a vulnerable endpoint. The exploit leverages a Java expression injection to execute arbitrary system commands on the target server. By default, it attempts to run 'nslookup DNSlog.org' to verify code execution via DNS logs, but the DNS address can be customized. Results are saved to 'result.txt'. The repository also includes a README with usage instructions and legal disclaimers. The exploit is a POC and does not provide a weaponized or post-exploitation payload.
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