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CVE-2018-25142 — AI Deep Analysis Summary

CVSS 9.8 · Critical

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: NovaPACS Diagnostics Viewer suffers from **XML External Entity (XXE)** injection. 📄 **Consequences**: Attackers can achieve **Arbitrary File Read** on the victim's system.…

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-611** (Improper Restriction of XML External Entity Reference). 🐛 The flaw lies in the **XML preference settings import** feature, which fails to sanitize external entity inputs properly.

Q3Who is affected? (Versions/Components)

🏥 **Affected Vendor**: NovaRad Corporation. 📦 **Product**: NovaPACS Diagnostics Viewer. 📅 **Specific Version**: **8.5.19.75**. ⚠️ Other versions may also be at risk if they share the same import logic.

Q4What can hackers do? (Privileges/Data)

🕵️ **Attacker Action**: Read arbitrary files from the server. 💾 **Data Impact**: High. 📂 Can access sensitive medical records, system configs, or credentials. 🔓 **Privileges**: No authentication required (PR:N).

Q5Is exploitation threshold high? (Auth/Config)

🔓 **Threshold**: **LOW**. 🚫 **Auth**: None required (PR:N). 🖱️ **UI**: None required (UI:N). 🌐 **Network**: Remote (AV:N). 📉 **Complexity**: Low (AC:L). Easy to exploit remotely.

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

💣 **Public Exploit**: **YES**. 📚 **Source**: ExploitDB **45337**. 🔗 **Advisory**: Zero Science Lab (ZSL-2018-5488). 🌍 **Wild Exploitation**: Likely, given the low barrier to entry.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for **XML Import** endpoints in the viewer. 📡 **Detection**: Look for XXE patterns in XML parsing logs.…

Q8Is it fixed officially? (Patch/Mitigation)

🛠️ **Official Fix**: Check NovaRad's official site for updates. 📥 **Patch**: Upgrade to a version where XML parsing is hardened. 📝 **Reference**: See NovaRad Corporation Product Homepage for latest security advisories.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Disable **XML Preference Import** feature if possible. 🚫 **Input Validation**: Sanitize all XML inputs strictly. 🛡️ **Network**: Restrict access to the viewer via firewall rules.…

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. 🚨 **CVSS**: 9.8 (Critical). ⏳ **Risk**: Unauthenticated remote code/data access. 🏥 **Impact**: Critical for medical data security. 🏃 **Action**: Patch or mitigate immediately.