CVE-2024-8643

9.8 CRITICAL

📋 TL;DR

A session fixation vulnerability in Oceanic Software ValeApp allows attackers to hijack user sessions and perform brute force attacks. This affects all ValeApp installations before version 2.0.0, potentially compromising user accounts and system integrity.

💻 Affected Systems

Products:
  • Oceanic Software ValeApp
Versions: All versions before v2.0.0
Operating Systems: All platforms running ValeApp
Default Config Vulnerable: ⚠️ Yes
Notes: All deployments of affected versions are vulnerable regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with administrative access, data theft, and potential lateral movement to other systems.

🟠

Likely Case

Unauthorized access to user accounts, session hijacking leading to data exposure and privilege escalation.

🟢

If Mitigated

Limited impact with proper session management controls and network segmentation in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Session fixation vulnerabilities typically have low exploitation complexity and can be exploited without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: v2.0.0

Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-24-1562

Restart Required: Yes

Instructions:

1. Download ValeApp v2.0.0 from official vendor sources. 2. Backup current configuration and data. 3. Stop ValeApp service. 4. Install v2.0.0. 5. Restart ValeApp service. 6. Verify functionality.

🔧 Temporary Workarounds

Session Management Hardening

all

Implement additional session security controls including session regeneration after login and secure session cookie attributes.

Network Access Restrictions

all

Restrict access to ValeApp to trusted networks only using firewall rules.

🧯 If You Can't Patch

  • Implement web application firewall (WAF) with session fixation protection rules
  • Enable multi-factor authentication and implement strict access controls

🔍 How to Verify

Check if Vulnerable:

Check ValeApp version in administration interface or configuration files. If version is below 2.0.0, system is vulnerable.

Check Version:

Check ValeApp web interface or configuration file for version information

Verify Fix Applied:

Verify version shows 2.0.0 or higher in administration interface and test session management functionality.

📡 Detection & Monitoring

Log Indicators:

  • Multiple failed login attempts from single IP
  • Session ID reuse across different users
  • Unusual session creation patterns

Network Indicators:

  • Unusual authentication traffic patterns
  • Session cookie manipulation attempts

SIEM Query:

source="valeapp" AND (event_type="authentication_failure" count>10 OR session_id_reuse=true)

🔗 References

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