UNKNOWN CVSS 5.0
Published: 2011-05-24

CVE-2011-2168

openbsd openbsd Security Advisory (CVE-2011-2168)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2011-2168?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2011-2168 impacting openbsd openbsd. Evaluated with CVSS Base Score of 5.0 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Multiple integer overflows in the glob implementation in libc in OpenBSD before 4.9 might allow context-dependent attackers to have an unspecified impact via a crafted string, related to the GLOB_APPEND and GLOB_DOOFFS flags, a different issue than CVE-2011-0418.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact

🎯 Affected Versions Matrix

Affected Product openbsd / openbsd
Affected Versions *
Weakness Enumeration CWE-189

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-2011-2168 impacting openbsd openbsd.

⚡ Nuclei Detection Template (YAML) cve-2011-2168.yaml
id: cve-2011-2168

info:
  name: openbsd openbsd - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2011-2168 affecting openbsd openbsd.
    Evaluation: Multiple integer overflows in the glob implementation in libc in OpenBSD before 4.9 might allow context-dependent attackers to have an unspecified imp...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2011-2168
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:N/I:N/A:P
    cvss-score: 5.0
    cve-id: CVE-2011-2168
    cwe-id: CWE-189
  tags: cve,cve-2011-2168,openbsd,openbsd,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "openbsd"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2011-2168.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2011-2168
# Target: openbsd openbsd | CVSS: 5.0 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2011-2168 (openbsd openbsd)...")
    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 openbsd openbsd scope (*).")
        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-2011-2168.sh
# Recommended Remediation & Patching Commands for CVE-2011-2168
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install openbsd 2>/dev/null || \
sudo dnf upgrade openbsd 2>/dev/null || \
sudo yum update openbsd

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

# 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.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2011-2168 in openbsd openbsd?

Review vendor-specific security notices and update openbsd openbsd 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-2011-2168?

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-2011-2168?

CVE-2011-2168 is classified with a CVSS 3.1 Base Score of 5.0 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.0
UNKNOWN SEVERITY
CVE ID CVE-2011-2168
Weakness CWE-189
Vendor openbsd
Product openbsd
Published 2011-05-24
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P