UNKNOWN CVSS 4.3
Published: 2012-07-16

CVE-2012-2645

yahoo yahoo\!_browser Security Advisory (CVE-2012-2645)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2012-2645?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2012-2645 impacting yahoo yahoo\!_browser. Evaluated with CVSS Base Score of 4.3 (UNKNOWN).

Original NVD Description

Source: NIST NVD
The Yahoo! Japan Yahoo! Browser application 1.2.0 and earlier for Android does not properly implement the WebView class, which allows remote attackers to obtain sensitive information via a crafted application.

📊 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 yahoo / yahoo\!_browser
Affected Versions *
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-2012-2645 impacting yahoo yahoo\!_browser.

⚡ Nuclei Detection Template (YAML) cve-2012-2645.yaml
id: cve-2012-2645

info:
  name: yahoo yahoo\!_browser - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2012-2645 affecting yahoo yahoo\!_browser.
    Evaluation: The Yahoo! Japan Yahoo! Browser application 1.2.0 and earlier for Android does not properly implement the WebView class, which allows remote attackers...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2012-2645
  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-2012-2645
    cwe-id: CWE-200
  tags: cve,cve-2012-2645,yahoo,yahoo\!_browser,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "yahoo\!_browser"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2012-2645.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2012-2645
# Target: yahoo yahoo\!_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-2012-2645 (yahoo yahoo\!_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 yahoo yahoo\!_browser 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-2012-2645.sh
# Recommended Remediation & Patching Commands for CVE-2012-2645
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install yahoo\!_browser 2>/dev/null || \
sudo dnf upgrade yahoo\!_browser 2>/dev/null || \
sudo yum update yahoo\!_browser

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i yahoo\!_browser 2>/dev/null || rpm -qa | grep -i yahoo\!_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.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2012-2645 in yahoo yahoo\!_browser?

Review vendor-specific security notices and update yahoo yahoo\!_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-2012-2645?

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-2012-2645?

CVE-2012-2645 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-2012-2645
Weakness CWE-200
Vendor yahoo
Product yahoo\!_browser
Published 2012-07-16
Vector AV:N/AC:M/Au:N/C:P/I:N/A:N