CVE-2024-46988

4.8 MEDIUM

📋 TL;DR

This vulnerability in Tuleap allows users to receive email notifications containing information they shouldn't have access to, potentially exposing sensitive development data. It affects all Tuleap Community and Enterprise Edition users running vulnerable versions. The issue is an improper permissions handling flaw that leaks restricted information through email notifications.

💻 Affected Systems

Products:
  • Tuleap Community Edition
  • Tuleap Enterprise Edition
Versions: Tuleap Community Edition < 15.13.99.40, Tuleap Enterprise Edition < 15.13-3, Tuleap Enterprise Edition < 15.12-6
Operating Systems: All platforms running Tuleap
Default Config Vulnerable: ⚠️ Yes
Notes: All Tuleap installations with email notifications enabled are vulnerable. The vulnerability exists in the core notification system.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Sensitive intellectual property, source code, or confidential development artifacts are exposed to unauthorized users through email notifications, leading to data breaches and competitive intelligence leaks.

🟠

Likely Case

Users receive notifications about projects, artifacts, or discussions they shouldn't have access to, potentially exposing internal development processes, bug reports, or feature planning information.

🟢

If Mitigated

With proper access controls and monitoring, the impact is limited to information leakage that may not include highly sensitive data, though it still violates least privilege principles.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

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

Exploitation requires a user account and appears to be triggered through normal system usage rather than a targeted attack. The vulnerability is in the notification logic itself.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Tuleap Community Edition 15.13.99.40, Tuleap Enterprise Edition 15.13-3, Tuleap Enterprise Edition 15.12-6

Vendor Advisory: https://github.com/Enalean/tuleap/security/advisories/GHSA-g76g-hc92-96xw

Restart Required: Yes

Instructions:

1. Backup your Tuleap installation and database. 2. Update Tuleap using your distribution's package manager or the Tuleap upgrade process. 3. Restart Tuleap services. 4. Verify the update was successful by checking the version.

🔧 Temporary Workarounds

Disable Email Notifications

all

Temporarily disable all email notifications to prevent information leakage while planning the upgrade.

# Edit Tuleap configuration to disable email notifications
# Locate and modify the email notification settings in your Tuleap configuration

🧯 If You Can't Patch

  • Implement strict access controls and review user permissions to minimize potential exposure
  • Monitor email notification logs and audit user access patterns for unusual activity

🔍 How to Verify

Check if Vulnerable:

Check your Tuleap version against the vulnerable versions listed in the affected systems section.

Check Version:

tuleap version or check the Tuleap web interface administration panel

Verify Fix Applied:

After patching, verify the version is at or above the fixed versions and test that email notifications respect user permissions.

📡 Detection & Monitoring

Log Indicators:

  • Unusual email notification patterns
  • Users reporting receiving notifications for projects they shouldn't access
  • Access logs showing permission violations in notification generation

Network Indicators:

  • Increased email traffic from Tuleap system
  • Patterns of notifications being sent to users outside their project groups

SIEM Query:

source="tuleap" AND (event="notification_sent" OR event="email_sent") | stats count by user, project | where project NOT IN user_projects

🔗 References

📤 Share & Export