UNKNOWN CVSS 4.3
Published: 2011-12-07

CVE-2010-5068

opera opera_browser Security Advisory (CVE-2010-5068)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2010-5068 impacting opera opera_browser. Evaluated with CVSS Base Score of 4.3 (UNKNOWN).

Original NVD Description

Source: NIST NVD
The Cascading Style Sheets (CSS) implementation in Opera 10.5 does not properly handle the :visited pseudo-class, which allows remote attackers to obtain sensitive information about visited web pages via a crafted HTML document, a related issue to CVE-2010-2264.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product opera / opera_browser
Affected Versions 10.50
Weakness Enumeration CWE-200

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-2010-5068 impacting opera opera_browser.

⚡ Nuclei Detection Template (YAML) cve-2010-5068.yaml
id: cve-2010-5068

info:
  name: opera opera_browser - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2010-5068 affecting opera opera_browser.
    Evaluation: The Cascading Style Sheets (CSS) implementation in Opera 10.5 does not properly handle the :visited pseudo-class, which allows remote attackers to obt...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2010-5068
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:M/Au:N/C:P/I:N/A:N
    cvss-score: 4.3
    cve-id: CVE-2010-5068
    cwe-id: CWE-200
  tags: cve,cve-2010-5068,opera,opera_browser,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "opera_browser"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2010-5068.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2010-5068
# Target: opera opera_browser | CVSS: 4.3 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2010-5068 (opera opera_browser)...")
    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 opera opera_browser scope (10.50).")
        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-2010-5068.sh
# Recommended Remediation & Patching Commands for CVE-2010-5068
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install opera_browser 2>/dev/null || \
sudo dnf upgrade opera_browser 2>/dev/null || \
sudo yum update opera_browser

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

# 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

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2010-5068 in opera opera_browser?

Review vendor-specific security notices and update opera opera_browser 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-2010-5068?

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-2010-5068?

CVE-2010-5068 is classified with a CVSS 3.1 Base Score of 4.3 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.3
UNKNOWN SEVERITY
CVE ID CVE-2010-5068
Weakness CWE-200
Vendor opera
Product opera_browser
Published 2011-12-07
Vector AV:N/AC:M/Au:N/C:P/I:N/A:N