CVE-2024-38533
📋 TL;DR
ZKsync Era's compiler has a memory corruption vulnerability where invalid stack access can occur due to improper address-to-cell conversion. This could allow attackers to potentially crash the system or execute arbitrary code. Anyone using ZKsync Era versions before 1.5.0 is affected.
💻 Affected Systems
- ZKsync Era
- era-compiler-vyper
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, theft of funds, or network disruption
Likely Case
Denial of service through application crashes or instability
If Mitigated
No impact if patched to version 1.5.0 or later
🎯 Exploit Status
Requires understanding of ZKsync Era's architecture and stack manipulation
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.5.0
Vendor Advisory: https://github.com/matter-labs/era-compiler-vyper/security/advisories/GHSA-q7pg-6jh9-87gv
Restart Required: Yes
Instructions:
1. Update ZKsync Era to version 1.5.0 or later. 2. Redeploy any smart contracts compiled with vulnerable versions. 3. Restart affected services.
🔧 Temporary Workarounds
Temporary isolation
allIsolate vulnerable systems from untrusted networks
🧯 If You Can't Patch
- Implement strict network segmentation to limit attack surface
- Monitor for abnormal behavior and crashes in ZKsync Era components
🔍 How to Verify
Check if Vulnerable:
Check ZKsync Era version and verify if it's below 1.5.0Check Version:
Check ZKsync Era documentation or deployment configuration for version informationVerify Fix Applied:
Confirm version is 1.5.0 or higher and test smart contract functionality📡 Detection & Monitoring
Log Indicators:
- Unexpected crashes
- Memory access violation errors
- Stack trace anomalies
Network Indicators:
- Abnormal transaction patterns
- Failed contract executions
SIEM Query:
Search for 'ZKsync Era crash' or 'memory access violation' in application logs