CVE-2025-60834
📋 TL;DR
A deserialization vulnerability in uzy-ssm-mall v1.1.0 allows attackers to execute arbitrary code by sending specially crafted input to the application. This affects any system running the vulnerable version of this e-commerce platform. Attackers can potentially take full control of affected servers.
💻 Affected Systems
- uzy-ssm-mall
📦 What is this software?
Uzy Ssm Mall by Ghostxbh
⚠️ Risk & Real-World Impact
Worst Case
Complete server compromise leading to data theft, ransomware deployment, or use as a foothold for lateral movement within the network.
Likely Case
Remote code execution allowing attackers to install backdoors, steal sensitive data, or disrupt e-commerce operations.
If Mitigated
Limited impact if proper network segmentation and input validation are in place, though the vulnerability remains exploitable.
🎯 Exploit Status
Exploitation requires understanding of Java deserialization attacks and crafting specific payloads. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v1.1.1 or later
Vendor Advisory: https://github.com/ChangeYourWay/post/blob/main/uzy-ssm-mall2.md
Restart Required: Yes
Instructions:
1. Download the latest version from the official repository. 2. Replace the vulnerable version with the patched version. 3. Restart the application server. 4. Verify the fix is applied.
🔧 Temporary Workarounds
Input Validation Filter
allImplement strict input validation to reject suspicious JSON payloads before they reach the deserialization layer.
Fastjson Security Configuration
javaConfigure fastjson with safe deserialization settings using AutoTypeCheckHandler and SafeMode.
ParserConfig.getGlobalInstance().setSafeMode(true);
🧯 If You Can't Patch
- Implement network segmentation to isolate the vulnerable application from critical systems
- Deploy a web application firewall (WAF) with rules to detect and block deserialization attacks
🔍 How to Verify
Check if Vulnerable:
Check the application version in configuration files or by examining the deployed application files for version indicators.Check Version:
grep -r "version" pom.xml || find . -name "*.properties" -exec grep -l "version" {} \;Verify Fix Applied:
Verify the application is running version 1.1.1 or later and test with safe deserialization payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual Java class loading in application logs
- Stack traces containing fastjson or deserialization errors
- Unexpected process execution from the application user
Network Indicators:
- Unusual outbound connections from the application server
- Large or malformed JSON payloads in HTTP requests
SIEM Query:
source="application.log" AND ("fastjson" OR "deserialization" OR "ClassNotFoundException")