CVE-2020-35868
📋 TL;DR
This vulnerability in the rusqlite Rust crate before version 0.23.0 allows memory safety violations through the UnlockNotification feature. Attackers could potentially execute arbitrary code or cause denial of service. Any Rust application using vulnerable versions of rusqlite is affected.
💻 Affected Systems
- rusqlite Rust crate
📦 What is this software?
Rusqlite by Rusqlite Project
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise
Likely Case
Application crash or denial of service
If Mitigated
Limited impact with proper sandboxing and privilege separation
🎯 Exploit Status
Memory safety violations typically require specific conditions to exploit
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.23.0 and later
Vendor Advisory: https://rustsec.org/advisories/RUSTSEC-2020-0014.html
Restart Required: Yes
Instructions:
1. Update Cargo.toml to require rusqlite >= 0.23.0
2. Run 'cargo update rusqlite'
3. Rebuild and redeploy your application
🔧 Temporary Workarounds
Disable UnlockNotification
allDisable the vulnerable UnlockNotification feature if not required
In Cargo.toml: rusqlite = { version = "<0.23.0", default-features = false, features = ["bundled"] }
🧯 If You Can't Patch
- Isolate vulnerable applications in containers with minimal privileges
- Implement network segmentation to limit attack surface
🔍 How to Verify
Check if Vulnerable:
Check Cargo.lock for rusqlite version < 0.23.0Check Version:
grep -A2 'name = "rusqlite"' Cargo.lockVerify Fix Applied:
Verify rusqlite >= 0.23.0 appears in Cargo.lock after update📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory corruption errors
- Unexpected process termination
Network Indicators:
- Unusual database connection patterns
SIEM Query:
process.name:your_app AND (event.type:crash OR error.message:"memory corruption")