MEDIUM CVSS 4.3
Published: 2021-04-07

CVE-2013-1054

canonical unity-firefox-extension Security Advisory (CVE-2013-1054)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2013-1054?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2013-1054 impacting canonical unity-firefox-extension. Evaluated with CVSS Base Score of 4.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
The unity-firefox-extension package could be tricked into destroying the Unity webapps context, causing Firefox to crash. This could be achieved by spinning the event loop inside the webapps initialization callback. Fixed in 3.0.0+14.04.20140416-0ubuntu1.14.04.1 by shipping an empty package, thus disabling the extension entirely.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
Required (UI:R)
User must click or open resource
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product canonical / unity-firefox-extension
Affected Versions *
Weakness Enumeration CWE-404

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-2013-1054 impacting canonical unity-firefox-extension.

⚡ Nuclei Detection Template (YAML) cve-2013-1054.yaml
id: cve-2013-1054

info:
  name: canonical unity-firefox-extension - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2013-1054 affecting canonical unity-firefox-extension.
    Evaluation: The unity-firefox-extension package could be tricked into destroying the Unity webapps context, causing Firefox to crash. This could be achieved by sp...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2013-1054
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
    cvss-score: 4.3
    cve-id: CVE-2013-1054
    cwe-id: CWE-404
  tags: cve,cve-2013-1054,canonical,unity-firefox-extension,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "unity-firefox-extension"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2013-1054.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2013-1054
# Target: canonical unity-firefox-extension | CVSS: 4.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2013-1054 (canonical unity-firefox-extension)...")
    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 canonical unity-firefox-extension 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-2013-1054.sh
# Recommended Remediation & Patching Commands for CVE-2013-1054
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install unity-firefox-extension 2>/dev/null || \
sudo dnf upgrade unity-firefox-extension 2>/dev/null || \
sudo yum update unity-firefox-extension

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

# 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-2013-1054 in canonical unity-firefox-extension?

Review vendor-specific security notices and update canonical unity-firefox-extension 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-2013-1054?

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-2013-1054?

CVE-2013-1054 is classified with a CVSS 3.1 Base Score of 4.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.3
MEDIUM SEVERITY
CVE ID CVE-2013-1054
Weakness CWE-404
Vendor canonical
Product unity-firefox-extension
Published 2021-04-07
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L