CVE-2025-6753

6.3 MEDIUM

📋 TL;DR

This critical SQL injection vulnerability in huija bicycleSharingServer 1.0 allows remote attackers to execute arbitrary SQL commands through the selectAdminByNameLike function. Attackers can potentially access, modify, or delete database content. All users running the vulnerable version are affected.

💻 Affected Systems

Products:
  • huija bicycleSharingServer
Versions: 1.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: The vulnerability exists in the default installation of version 1.0.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise including data theft, data destruction, and potential remote code execution if database permissions allow.

🟠

Likely Case

Unauthorized access to sensitive admin data, privilege escalation, and potential data exfiltration.

🟢

If Mitigated

Limited impact with proper input validation and database permission restrictions in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploit details are publicly disclosed on GitHub, making exploitation straightforward for attackers.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: None available

Restart Required: No

Instructions:

No official patch available. Consider implementing input validation and parameterized queries as workaround.

🔧 Temporary Workarounds

Implement Input Validation

all

Add server-side validation to sanitize user input before processing SQL queries.

Use Parameterized Queries

all

Replace string concatenation with prepared statements in AdminController.java.

🧯 If You Can't Patch

  • Implement WAF rules to block SQL injection patterns
  • Restrict network access to the application using firewall rules

🔍 How to Verify

Check if Vulnerable:

Check if running bicycleSharingServer version 1.0 and review AdminController.java for vulnerable selectAdminByNameLike function.

Check Version:

Check application configuration or deployment files for version information.

Verify Fix Applied:

Verify that input validation and parameterized queries are implemented in the selectAdminByNameLike function.

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL query patterns in application logs
  • Multiple failed login attempts with SQL-like payloads

Network Indicators:

  • HTTP requests containing SQL keywords to AdminController endpoints

SIEM Query:

source="application_logs" AND ("selectAdminByNameLike" AND ("UNION" OR "SELECT" OR "INSERT" OR "DELETE"))

🔗 References

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