UNKNOWN CVSS 6.5
Published: 2010-02-02

CVE-2010-0442

postgresql postgresql Security Advisory (CVE-2010-0442)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2010-0442 impacting postgresql postgresql. Evaluated with CVSS Base Score of 6.5 (UNKNOWN).

Original NVD Description

Source: NIST NVD
The bitsubstr function in backend/utils/adt/varbit.c in PostgreSQL 8.0.23, 8.1.11, and 8.3.8 allows remote authenticated users to cause a denial of service (daemon crash) or have unspecified other impact via vectors involving a negative integer in the third argument, as demonstrated by a SELECT statement that contains a call to the substring function for a bit string, related to an "overflow."

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required

🎯 Affected Versions Matrix

Affected Product postgresql / postgresql
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-2010-0442 impacting postgresql postgresql.

⚡ Nuclei Detection Template (YAML) cve-2010-0442.yaml
id: cve-2010-0442

info:
  name: postgresql postgresql - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2010-0442 affecting postgresql postgresql.
    Evaluation: The bitsubstr function in backend/utils/adt/varbit.c in PostgreSQL 8.0.23, 8.1.11, and 8.3.8 allows remote authenticated users to cause a denial of se...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2010-0442
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:S/C:P/I:P/A:P
    cvss-score: 6.5
    cve-id: CVE-2010-0442
    cwe-id: CWE-189
  tags: cve,cve-2010-0442,postgresql,postgresql,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "postgresql"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2010-0442.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2010-0442
# Target: postgresql postgresql | CVSS: 6.5 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2010-0442 (postgresql postgresql)...")
    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 postgresql postgresql 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-2010-0442.sh
# Recommended Remediation & Patching Commands for CVE-2010-0442
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install postgresql 2>/dev/null || \
sudo dnf upgrade postgresql 2>/dev/null || \
sudo yum update postgresql

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

# 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-2010-0442 in postgresql postgresql?

Review vendor-specific security notices and update postgresql postgresql 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-2010-0442?

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-2010-0442?

CVE-2010-0442 is classified with a CVSS 3.1 Base Score of 6.5 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.5
UNKNOWN SEVERITY
CVE ID CVE-2010-0442
Weakness CWE-189
Vendor postgresql
Product postgresql
Published 2010-02-02
Vector AV:N/AC:L/Au:S/C:P/I:P/A:P