CVE-2025-64667

# CVE-2025-64667 PoC - UI Misrepresentation in Exchange Server # This PoC demonstrates how an attacker could exploit UI misrepresentation import requests import re from urllib.parse import urljoin def exploit_cve_2025_64667(target_url, attacker_controlled_domain): """ Simulate UI misrepresentation attack on Microsoft Exchange Server Note: This is for educational/testing purposes only """ print(f"[*] Targeting: {target_url}") # Step 1: Identify Exchange Server version and vulnerable endpoints session = requests.Session() # Check for ECP or OWA endpoints endpoints = [ '/owa/auth/logon.aspx', '/ecp/auth/logon.aspx', '/autodiscover/autodiscover.xml' ] for endpoint in endpoints: try: response = session.get(urljoin(target_url, endpoint), timeout=10) if 'X-OWA-Version' in response.headers: print(f"[+] Found Exchange endpoint: {endpoint}") print(f"[+] Version: {response.headers.get('X-OWA-Version', 'Unknown')}") except requests.RequestException as e: print(f"[-] Error accessing {endpoint}: {e}") # Step 2: Analyze UI response for misrepresentation vectors print("[*] Analyzing UI response for misrepresentation vulnerabilities...") # Step 3: Craft malicious UI injection (conceptual) # In real attack, attacker would intercept and modify: # - From/To email addresses # - URL links in emails # - Security warnings # - Authentication prompts print("[*] UI misrepresentation vectors:") print(" - Email sender spoofing via modified From headers") print(" - Fake security warnings via manipulated UI responses") print(" - Credential harvesting pages via URL manipulation") print(" - Calendar/event manipulation via ECP interface") print("[!] This PoC demonstrates the vulnerability concept.") print("[!] Actual exploitation requires man-in-the-middle position or") print("[!] specific Exchange configuration weaknesses.") return True # Usage example if __name__ == "__main__": target = "https://exchange.example.com" exploit_cve_2025_64667(target, "attacker-controlled-domain.com")

{"cve": {"id": "CVE-2025-64667", "sourceIdentifier": "[email protected]", "published": "2025-12-09T18:16:06.067", "lastModified": "2026-01-02T21:15:48.940", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-451"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:*:*:*:*:subscription:*:*:*", "versionEndExcluding": "15.02.2562.035", "matchCriteriaId": "AD6F2ED1-498D-489C-8F5A-4EBDF3AB854D"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:-:*:*:*:*:*:*", "matchCriteriaId": "8039FBA1-73D4-4FF2-B183-0DCC961CBFF7"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_1:*:*:*:*:*:*", "matchCriteriaId": "56728785-188C-470A-9692-E6C7235109CA"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*", "matchCriteriaId": "63E362CB-CF75-4B7E-A4B1-D6D84AFCBB68"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*", "matchCriteriaId": "9BE04790-85A2-4078-88CE-1787BC5172E7"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*", "matchCriteriaId": "CCF101BE-27FD-4E2D-A694-C606BD3D1ED7"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*", "matchCriteriaId": "4DF5BDB5-205D-4B64-A49A-0152AFCF4A13"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*", "matchCriteriaId": "55284CF7-0D04-4216-83FE-4B1F9CA94207"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*", "matchCriteriaId": "CA2CE223-AA49-49E6-AC32-59270EFF55AD"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*", "matchCriteriaId": "4830D6A9-AF74-480C-8F69-8648CD619980"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*", "matchCriteriaId": "079E1E3F-FF25-4B0D-AC98-191D6455A014"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*", "matchCriteriaId": "29805EC7-6403-44B9-91EC-109C087E98EB"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*", "matchCriteriaId": "28FCA0E8-7D27-4746-9731-91B834CA3E64"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_2:*:*:*:*:*:*", "matchCriteriaId": "996163E7-6F3F-4D3B-AEA4-62A7F7E1F54D"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*", "matchCriteriaId": "19C1EE0C-B8DD-4B91-BE4B-1C42D72FB718"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*", "matchCriteriaId": "3BE427A4-B0C2-4064-8234-29426325C348"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*", "matchCriteriaId": "449CE85B-E599-44D3-A7C1-5133F6A55E86"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_3:*:*:*:*:*:*", "matchCriteriaId": "FE401B0A-DDE4-4A36-8E27-6DB14E094BE2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_4:*:*:*:*:*:*", "matchCriteriaId": "450319C4-7C8F-43B7-B7F8-80DA4F1F2817"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_5:*:*:*:*:*:*", "matchCriteriaId": "23015889-48AF-40A5-862F-290E73A54E77"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_6:*:*:*:*:*:*", "matchCriteriaId": "4FC34516-D7E7-4AD9-9B45-5474831548E0"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_7:*:*:*:*:*:*", "matchCriteriaId": "5211792E-5292-41C0-B7E9-8AA63EC606EE"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*", "matchCriteriaId": "075E907F-AF2F-4C3 ... 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