CVE-2025-3500 — AI Deep Analysis Summary

🚨 **Essence**: Integer Overflow in Avast Antivirus. 💥 **Consequences**: Can lead to Denial of Service (DoS) or Arbitrary Code Execution. Critical integrity loss.

🛡️ **Root Cause**: **CWE-190** (Integer Overflow or Wraparound). 🐛 **Flaw**: Improper handling of integer arithmetic leading to memory corruption.

👥 **Affected**: **Avast Antivirus** by Avast (Czech Republic). 📦 **Product**: The main antivirus software suite. Specific versions not listed in data.

🕵️ **Hacker Actions**: Execute **Arbitrary Code** or crash the system (DoS). 📂 **Data/Privs**: High impact on Confidentiality, Integrity, and Availability. Potential full system compromise.

🔓 **Threshold**: **Medium**. ⚠️ **Auth**: Requires **Local Privileges** (PR:L). 🖱️ **UI**: Requires **User Interaction** (UI:R). Not fully remote/unauthenticated.

💻 **Public Exploit**: **YES**. 📂 **Link**: GitHub PoC available (`chicken3962/CVE-2025-3500-Poc`). ⚡ **Status**: Active public exploitation risk.

🔍 **Self-Check**: Verify Avast installation version. 🧪 **Scan**: Use the provided GitHub PoC for testing (if authorized). 📋 **Monitor**: Check for unexpected crashes or privilege escalation attempts.

🩹 **Official Fix**: Data does not explicitly mention a patch release date. 📅 **Published**: 2025-12-01. 🔄 **Action**: Check vendor advisory for latest patch status immediately.

🚧 **Workaround**: If unpatched, restrict local user privileges. 🛑 **Mitigation**: Disable unnecessary user interactions with the app. Monitor system stability closely.

🔥 **Urgency**: **HIGH**. 📈 **CVSS**: High severity (H/H/H). ⚡ **Reason**: Public PoC exists + High Impact. Patch immediately or apply strict mitigations.