CVE-2024-29720
📋 TL;DR
This vulnerability in Sciter's video rendering function allows a local attacker to access sensitive information through the adopt component. It affects applications using Sciter v.4.4.7.0 for UI rendering, potentially exposing memory contents or application data to local users.
💻 Affected Systems
- Terra Informatica Software, Inc Sciter
📦 What is this software?
Sciter by Terrainformatica
⚠️ Risk & Real-World Impact
Worst Case
Local attacker gains access to sensitive application data, credentials, or memory contents that could lead to further system compromise.
Likely Case
Local user accesses limited sensitive information from the application's memory or configuration data.
If Mitigated
Information exposure limited to non-critical data due to proper access controls and application hardening.
🎯 Exploit Status
Exploitation requires local access to the system. No public exploit code has been identified in the reference.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v.4.4.8.0 or later
Vendor Advisory: https://github.com/sciter-sdk/rust-sciter/issues/143
Restart Required: Yes
Instructions:
1. Update Sciter SDK to v.4.4.8.0 or later. 2. Rebuild any applications using Sciter. 3. Redeploy updated applications. 4. Restart affected applications.
🔧 Temporary Workarounds
Restrict local access
allLimit local user access to systems running vulnerable Sciter applications
Application sandboxing
allRun Sciter applications in sandboxed/isolated environments
🧯 If You Can't Patch
- Implement strict access controls to limit which users can run affected applications
- Monitor for unusual local process activity or memory access patterns
🔍 How to Verify
Check if Vulnerable:
Check Sciter version in application dependencies or linked libraries. If using v.4.4.7.0, the system is vulnerable.
Check Version:
Check application documentation or build configuration for Sciter SDK version
Verify Fix Applied:
Verify Sciter version is v.4.4.8.0 or later in application dependencies and linked libraries.
📡 Detection & Monitoring
Log Indicators:
- Unusual local process memory access patterns
- Multiple failed attempts to access protected memory regions
Network Indicators:
- None - this is a local-only vulnerability
SIEM Query:
Process monitoring for unusual memory access patterns in Sciter-based applications