CVE-2025-48732

7.3 HIGH

📋 TL;DR

An incomplete blacklist in WWBN AVideo's .htaccess sample allows attackers to execute arbitrary code by requesting specially crafted .phar files. This affects WWBN AVideo 14.4 and development versions, potentially compromising web servers running this software.

💻 Affected Systems

Products:
  • WWBN AVideo
Versions: 14.4 and development master commit 8a8954ff
Operating Systems: All platforms running affected WWBN AVideo
Default Config Vulnerable: ⚠️ Yes
Notes: Affects systems using the vulnerable .htaccess sample file

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full server compromise with attacker gaining remote code execution, data theft, and lateral movement within the network.

🟠

Likely Case

Web server compromise leading to data exfiltration, defacement, or installation of backdoors.

🟢

If Mitigated

Attack blocked at web server level with proper input validation and security controls.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploitation requires sending crafted HTTP requests to vulnerable endpoints

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check vendor for updated version

Vendor Advisory: https://talosintelligence.com/vulnerability_reports/TALOS-2025-2213

Restart Required: No

Instructions:

1. Update to patched version from vendor 2. Replace vulnerable .htaccess file 3. Verify fix implementation

🔧 Temporary Workarounds

Update .htaccess blacklist

all

Modify .htaccess to properly block .phar file execution

Edit .htaccess to include comprehensive file extension blocking

Web server configuration hardening

linux

Configure web server to deny execution of .phar files

Add 'php_flag engine off' for .phar directories in Apache

🧯 If You Can't Patch

  • Implement WAF rules to block .phar file requests
  • Restrict network access to vulnerable systems

🔍 How to Verify

Check if Vulnerable:

Check if .htaccess contains incomplete blacklist allowing .phar execution

Check Version:

Check WWBN AVideo version in admin panel or configuration files

Verify Fix Applied:

Test if .phar file requests are properly blocked

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests for .phar files
  • Unusual PHP execution patterns

Network Indicators:

  • Incoming requests with .phar extensions
  • Suspicious outbound connections post-request

SIEM Query:

source="web_server" AND (uri="*.phar" OR user_agent="*exploit*")

🔗 References

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