UNKNOWN CVSS 6.9
Published: 2013-03-05

CVE-2011-4355

gnu gdb Security Advisory (CVE-2011-4355)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2011-4355 impacting gnu gdb. Evaluated with CVSS Base Score of 6.9 (UNKNOWN).

Original NVD Description

Source: NIST NVD
GNU Project Debugger (GDB) before 7.5, when .debug_gdb_scripts is defined, automatically loads certain files from the current working directory, which allows local users to gain privileges via crafted files such as Python scripts.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions

🎯 Affected Versions Matrix

Affected Product gnu / gdb
Affected Versions *
Weakness Enumeration CWE-264

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-2011-4355 impacting gnu gdb.

⚡ Nuclei Detection Template (YAML) cve-2011-4355.yaml
id: cve-2011-4355

info:
  name: gnu gdb - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2011-4355 affecting gnu gdb.
    Evaluation: GNU Project Debugger (GDB) before 7.5, when .debug_gdb_scripts is defined, automatically loads certain files from the current working directory, which...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2011-4355
  classification:
    cvss-metrics: CVSS:3.1/AV:L/AC:M/Au:N/C:C/I:C/A:C
    cvss-score: 6.9
    cve-id: CVE-2011-4355
    cwe-id: CWE-264
  tags: cve,cve-2011-4355,gnu,gdb,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "gdb"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2011-4355.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2011-4355
# Target: gnu gdb | CVSS: 6.9 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2011-4355 (gnu gdb)...")
    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 gnu gdb 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-2011-4355.sh
# Recommended Remediation & Patching Commands for CVE-2011-4355
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install gdb 2>/dev/null || \
sudo dnf upgrade gdb 2>/dev/null || \
sudo yum update gdb

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

# 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-2011-4355 in gnu gdb?

Review vendor-specific security notices and update gnu gdb 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-2011-4355?

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-2011-4355?

CVE-2011-4355 is classified with a CVSS 3.1 Base Score of 6.9 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.9
UNKNOWN SEVERITY
CVE ID CVE-2011-4355
Weakness CWE-264
Vendor gnu
Product gdb
Published 2013-03-05
Vector AV:L/AC:M/Au:N/C:C/I:C/A:C