CVE-2022-46289
📋 TL;DR
CVE-2022-46289 is a critical out-of-bounds write vulnerability in Open Babel's ORCA format parser that allows arbitrary code execution when processing malicious files. Users and applications that parse chemical file formats with vulnerable Open Babel versions are affected. Attackers can achieve remote code execution by tricking users or automated systems into opening specially crafted files.
💻 Affected Systems
- Open Babel
📦 What is this software?
Open Babel by Openbabel
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining complete control over the affected system, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Remote code execution in the context of the application/user processing the malicious file, allowing file system access, data exfiltration, and further exploitation.
If Mitigated
Denial of service or application crash if memory protections prevent code execution, but system integrity remains compromised.
🎯 Exploit Status
The vulnerability requires a specially crafted file but no authentication. Public technical details exist in the Talos reports, making exploitation straightforward for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Open Babel 3.1.2 or later
Vendor Advisory: https://github.com/openbabel/openbabel/security/advisories
Restart Required: Yes
Instructions:
1. Update Open Babel to version 3.1.2 or later. 2. Rebuild any applications using Open Babel as a library. 3. Restart affected services and applications.
🔧 Temporary Workarounds
Disable ORCA format parsing
allRemove or disable ORCA format support in Open Babel configuration
Modify Open Babel configuration to exclude ORCA format handlers
Input validation and sandboxing
linuxImplement strict file validation and run Open Babel in isolated containers
docker run --read-only --security-opt no-new-privileges openbabel-container
🧯 If You Can't Patch
- Implement strict file upload validation rejecting ORCA format files
- Run Open Babel processes with minimal privileges and in isolated environments
🔍 How to Verify
Check if Vulnerable:
Check Open Babel version with 'obabel -V' or 'openbabel --version'. If version is 3.1.1 or earlier master commits around 530dbfa3, system is vulnerable.Check Version:
obabel -V 2>&1 | head -1Verify Fix Applied:
Confirm version is 3.1.2 or later using 'obabel -V'. Test with known safe ORCA format files to ensure functionality.📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected process spawning from Open Babel
- Large numbers of ORCA format file processing errors
Network Indicators:
- Unexpected outbound connections from Open Babel processes
- File uploads containing ORCA format to vulnerable services
SIEM Query:
process_name:"obabel" OR process_name:"openbabel" AND (event_type:crash OR exit_code:139)