CVE-2024-23086
📋 TL;DR
CVE-2024-23086 is a disputed vulnerability in Apfloat v1.10.1 where a stack overflow in the DoubleModMath::modPow method could potentially allow arbitrary code execution. The vulnerability is disputed by multiple third parties who question the evidence, but if valid, it affects applications using this arbitrary-precision arithmetic library. Users of Apfloat in their applications could be impacted.
💻 Affected Systems
- Apfloat
📦 What is this software?
Apfloat by Mikkotommila
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise if the vulnerability is valid and exploitable.
Likely Case
Application crash or denial of service due to disputed nature and lack of confirmed exploitation.
If Mitigated
No impact if the vulnerability is invalid as disputed, or minimal disruption with proper input validation.
🎯 Exploit Status
No public proof-of-concept exists. Exploitation would require specific conditions and the vulnerability is disputed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Monitor the Apfloat GitHub repository for updates.
🔧 Temporary Workarounds
Input validation
allImplement strict input validation for parameters passed to Apfloat methods
Library replacement
allConsider using alternative arbitrary-precision arithmetic libraries
🧯 If You Can't Patch
- Implement network segmentation to isolate systems using Apfloat
- Monitor for unusual application crashes or memory usage patterns
🔍 How to Verify
Check if Vulnerable:
Check if your application uses Apfloat v1.10.1 by examining dependencies or running: java -cp your-app.jar org.apfloat.ApfloatContextCheck Version:
Check Maven/Gradle dependencies or examine JAR manifest for Apfloat versionVerify Fix Applied:
Verify Apfloat version is not v1.10.1 or check for updates from the official repository📡 Detection & Monitoring
Log Indicators:
- Stack overflow exceptions in Java logs
- Application crashes with memory-related errors
Network Indicators:
- Unusual outbound connections from Java processes
SIEM Query:
source="java.logs" AND ("StackOverflowError" OR "OutOfMemoryError") AND process="*apfloat*"