CVE-2025-50722

9.8 CRITICAL

📋 TL;DR

This CVE describes an insecure permissions vulnerability in sparkshop v1.1.7 that allows remote attackers to execute arbitrary code via the Common.php component. This is a critical remote code execution vulnerability affecting all systems running the vulnerable version of sparkshop.

💻 Affected Systems

Products:
  • sparkshop
Versions: v1.1.7
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of sparkshop v1.1.7 are vulnerable regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with attacker gaining full control over the server, data exfiltration, ransomware deployment, and lateral movement to other systems.

🟠

Likely Case

Webshell installation leading to data theft, credential harvesting, and use as a foothold for further attacks.

🟢

If Mitigated

Attack blocked at perimeter with no impact to internal systems.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Based on CWE-77 (Command Injection) and CVSS 9.8 score, exploitation is likely straightforward for attackers with access to the vulnerability details.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: None known

Restart Required: No

Instructions:

No official patch available. Check vendor website or repository for updates. Consider migrating to alternative software if no fix is forthcoming.

🔧 Temporary Workarounds

Restrict access to Common.php

all

Block direct access to the vulnerable Common.php component via web server configuration

# Apache: Add to .htaccess
<Files "Common.php">
    Order Allow,Deny
    Deny from all
</Files>
# Nginx: Add to server block
location ~ /Common\.php$ {
    deny all;
}

Remove execute permissions

linux

Remove execute permissions from Common.php file

chmod -x Common.php

🧯 If You Can't Patch

  • Isolate the sparkshop system in a separate network segment with strict firewall rules
  • Implement web application firewall (WAF) rules to block command injection patterns

🔍 How to Verify

Check if Vulnerable:

Check if sparkshop version is 1.1.7 by examining version files or configuration

Check Version:

grep -r "version.*1.1.7" /path/to/sparkshop/ || find /path/to/sparkshop -name "*.php" -exec grep -l "1.1.7" {} \;

Verify Fix Applied:

Verify Common.php file permissions are restricted and version has been updated

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to Common.php
  • System command execution in web logs
  • Unexpected process creation from web server user

Network Indicators:

  • Outbound connections from web server to suspicious IPs
  • Unusual data exfiltration patterns

SIEM Query:

source="web_logs" AND (uri="*Common.php*" OR cmd="*system(*" OR cmd="*exec(*" OR cmd="*passthru(*")

🔗 References

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