CVE-2024-23313 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Integer Underflow in `soopen_FAMOS_read`. 💥 **Consequences**: CVSS 9.1 (Critical). Full system compromise: **C:H, I:H, A:H**. Data theft, modification, or service crash possible.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-191** (Integer Underflow). 🔍 **Flaw**: Logic error in `soopen_FAMOS_read` function. Improper handling of numeric values leads to negative offsets or buffer issues.

Q: Who is affected? (Versions/Components)

🏢 **Vendor**: The Biosig Project. 📦 **Product**: libbiosig. 📅 **Affected**: Version **2.5.0**. Open-source biomedical signal processing library.

Q: What can hackers do? (Privileges/Data)

🕵️ **Attacker Action**: Remote exploitation (AV:N). 🔓 **Privileges**: No auth required (PR:N). 📊 **Impact**: High confidence in **Confidentiality**, **Integrity**, and **Availability** loss.

Q: Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: **LOW**. 🔑 **Auth**: None required (PR:N). 🖱️ **UI**: None required (UI:N). 🌐 **Access**: Network exploitable (AV:N). Easy to trigger remotely.

Q: Is there a public Exp? (PoC/Wild Exploitation)

📜 **Public Exp**: **No PoC** listed in data. 🔎 **Status**: References exist (Fedora, Talos), but no direct exploit code provided. Wild exploitation risk depends on target exposure.

Q: How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for `libbiosig` version **2.5.0**. 🧪 **Feature**: Check usage of `soopen_FAMOS_read` in FAMOS file parsing. 📡 **Tools**: Use CVE scanners targeting BioSig Project libraries.

Q: Is it fixed officially? (Patch/Mitigation)

🩹 **Fix**: Update to patched version. 📢 **Source**: Fedora package announce & Talos report indicate awareness. ✅ **Action**: Check vendor site for >2.5.0 release notes.

Q: What if no patch? (Workaround)

🛑 **No Patch?**: Mitigate by **disabling FAMOS file parsing**. 🚫 **Input Control**: Reject or sanitize FAMOS inputs. 🏗️ **Isolate**: Run in sandboxed environment if processing untrusted signals.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. ⚖️ **Priority**: CVSS 9.1 + No Auth + Network Access = Critical. ⏱️ **Action**: Patch immediately. Do not ignore biomedical data processing risks.

Updated May 08, 2026 CVSS 9.8 · Critical

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Integer Underflow in `soopen_FAMOS_read`. <br>💥 **Consequences**: CVSS 9.1 (Critical). Full system compromise: **C:H, I:H, A:H**. Data theft, modification, or service crash possible.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-191** (Integer Underflow). <br>🔍 **Flaw**: Logic error in `soopen_FAMOS_read` function. Improper handling of numeric values leads to negative offsets or buffer issues.

Q3Who is affected? (Versions/Components)

🏢 **Vendor**: The Biosig Project. <br>📦 **Product**: libbiosig. <br>📅 **Affected**: Version **2.5.0**. Open-source biomedical signal processing library.

Q4What can hackers do? (Privileges/Data)

🕵️ **Attacker Action**: Remote exploitation (AV:N). <br>🔓 **Privileges**: No auth required (PR:N). <br>📊 **Impact**: High confidence in **Confidentiality**, **Integrity**, and **Availability** loss.

Q5Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: **LOW**. <br>🔑 **Auth**: None required (PR:N). <br>🖱️ **UI**: None required (UI:N). <br>🌐 **Access**: Network exploitable (AV:N). Easy to trigger remotely.

Q6Is there a public Exp? (PoC/Wild Exploitation)

📜 **Public Exp**: **No PoC** listed in data. <br>🔎 **Status**: References exist (Fedora, Talos), but no direct exploit code provided. Wild exploitation risk depends on target exposure.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for `libbiosig` version **2.5.0**. <br>🧪 **Feature**: Check usage of `soopen_FAMOS_read` in FAMOS file parsing. <br>📡 **Tools**: Use CVE scanners targeting BioSig Project libraries.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Fix**: Update to patched version. <br>📢 **Source**: Fedora package announce & Talos report indicate awareness. <br>✅ **Action**: Check vendor site for >2.5.0 release notes.

Q9What if no patch? (Workaround)

🛑 **No Patch?**: Mitigate by **disabling FAMOS file parsing**. <br>🚫 **Input Control**: Reject or sanitize FAMOS inputs. <br>🏗️ **Isolate**: Run in sandboxed environment if processing untrusted signals.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. <br>⚖️ **Priority**: CVSS 9.1 + No Auth + Network Access = Critical. <br>⏱️ **Action**: Patch immediately. Do not ignore biomedical data processing risks.

Continue exploring

Vulnerability detail Full AI analysis (login) The Biosig Project CWE-191