CVE-2024-23084
📋 TL;DR
CVE-2024-23084 is a disputed vulnerability in Apfloat v1.10.1 where an ArrayIndexOutOfBoundsException occurs in the DoubleCRTMath::add method. If exploitable, it could potentially cause denial of service or unexpected behavior in applications using this library for arbitrary-precision arithmetic. The vulnerability is disputed by third parties who question the evidence and methodology used for its identification.
💻 Affected Systems
- Apfloat
📦 What is this software?
Apfloat by Mikkotommila
⚠️ Risk & Real-World Impact
Worst Case
Application crash leading to denial of service, potentially disrupting services that rely on Apfloat for mathematical computations.
Likely Case
Application instability or crashes when processing specific mathematical operations, though exploitation evidence is disputed.
If Mitigated
Minimal impact if proper input validation and error handling are implemented in the application layer.
🎯 Exploit Status
No public exploit available. The vulnerability is disputed, and exploitation would require specific conditions in application usage.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch exists due to the disputed nature. Consider updating to newer versions if available, or implement workarounds.
🔧 Temporary Workarounds
Input validation wrapper
allImplement custom input validation before calling the DoubleCRTMath::add method to prevent out-of-bounds conditions.
Error handling enhancement
allAdd robust try-catch blocks around calls to the affected method to handle ArrayIndexOutOfBoundsException gracefully.
🧯 If You Can't Patch
- Monitor application logs for ArrayIndexOutOfBoundsException errors related to Apfloat operations.
- Restrict access to functionality that uses the DoubleCRTMath::add method to trusted users only.
🔍 How to Verify
Check if Vulnerable:
Check if your application uses Apfloat v1.10.1 and calls the DoubleCRTMath::add method. Review code for potential input validation gaps.Check Version:
Check your project's dependency files (e.g., pom.xml for Maven, build.gradle for Gradle) for 'apfloat' version 1.10.1.Verify Fix Applied:
Test mathematical operations that previously triggered exceptions to ensure they now handle errors properly or no longer occur.📡 Detection & Monitoring
Log Indicators:
- java.lang.ArrayIndexOutOfBoundsException in org.apfloat.internal.DoubleCRTMath.add
SIEM Query:
source="application_logs" AND "ArrayIndexOutOfBoundsException" AND "DoubleCRTMath.add"