UNKNOWN CVSS 7.2
Published: 2013-07-31

CVE-2013-3956

novell client Security Advisory (CVE-2013-3956)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2013-3956 impacting novell client. Evaluated with CVSS Base Score of 7.2 (UNKNOWN).

Original NVD Description

Source: NIST NVD
The NICM.SYS kernel driver 3.1.11.0 in Novell Client 4.91 SP5 on Windows XP and Windows Server 2003; Novell Client 2 SP2 on Windows Vista and Windows Server 2008; and Novell Client 2 SP3 on Windows Server 2008 R2, Windows 7, Windows 8, and Windows Server 2012 allows local users to gain privileges via a crafted 0x143B6B IOCTL call.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required

🎯 Affected Versions Matrix

Affected Product novell / client
Affected Versions 4.91
Weakness Enumeration CWE-264

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2013-3956 impacting novell client.

⚡ Nuclei Detection Template (YAML) cve-2013-3956.yaml
id: cve-2013-3956

info:
  name: novell client - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2013-3956 affecting novell client.
    Evaluation: The NICM.SYS kernel driver 3.1.11.0 in Novell Client 4.91 SP5 on Windows XP and Windows Server 2003; Novell Client 2 SP2 on Windows Vista and Windows ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2013-3956
  classification:
    cvss-metrics: CVSS:3.1/AV:L/AC:L/Au:N/C:C/I:C/A:C
    cvss-score: 7.2
    cve-id: CVE-2013-3956
    cwe-id: CWE-264
  tags: cve,cve-2013-3956,novell,client,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "client"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2013-3956.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2013-3956
# Target: novell client | CVSS: 7.2 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2013-3956 (novell client)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against novell client scope (4.91).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2013-3956.sh
# Recommended Remediation & Patching Commands for CVE-2013-3956
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install client 2>/dev/null || \
sudo dnf upgrade client 2>/dev/null || \
sudo yum update client

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i client 2>/dev/null || rpm -qa | grep -i client

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2013-3956 in novell client?

Review vendor-specific security notices and update novell client packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2013-3956?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2013-3956?

CVE-2013-3956 is classified with a CVSS 3.1 Base Score of 7.2 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.2
UNKNOWN SEVERITY
CVE ID CVE-2013-3956
Weakness CWE-264
Vendor novell
Product client
Published 2013-07-31
Vector AV:L/AC:L/Au:N/C:C/I:C/A:C