CVE-2024-23078
📋 TL;DR
CVE-2024-23078 is a disputed vulnerability in JGraphT Core v1.5.2 where a NullPointerException could occur in the ToleranceDoubleComparator::compare method. If exploited, this could cause denial of service in applications using JGraphT for graph processing. The vulnerability is disputed by third parties who question the evidence of actual exploitability.
💻 Affected Systems
- JGraphT Core
⚠️ 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
Application crash leading to denial of service for graph processing functionality
Likely Case
Application instability or crashes when processing specific graph data with null values
If Mitigated
Minimal impact with proper input validation and exception handling
🎯 Exploit Status
Vulnerability is disputed by multiple third parties; requires specific conditions to trigger
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available due to disputed nature of vulnerability
🔧 Temporary Workarounds
Input validation
allAdd null checks before calling ToleranceDoubleComparator::compare method
// Java code: if (double1 != null && double2 != null) { comparator.compare(double1, double2); }
Exception handling
allWrap comparator calls in try-catch blocks to handle NullPointerException
// Java code: try { comparator.compare(double1, double2); } catch (NullPointerException e) { // Handle exception }
🧯 If You Can't Patch
- Implement input validation to prevent null values from reaching the comparator
- Add defensive exception handling around graph processing operations
🔍 How to Verify
Check if Vulnerable:
Check if application uses JGraphT v1.5.2 and calls ToleranceDoubleComparator::compare with potentially null Double parametersCheck Version:
Check Maven/Gradle dependencies or JGraphT version in classpathVerify Fix Applied:
Test with null Double inputs to verify application handles them gracefully without crashes📡 Detection & Monitoring
Log Indicators:
- NullPointerException stack traces containing org.jgrapht.alg.util.ToleranceDoubleComparator::compare
Network Indicators:
- None - local application crash only
SIEM Query:
source="application.logs" AND "NullPointerException" AND "ToleranceDoubleComparator"