UNKNOWN CVSS 5.8
Published: 2010-10-28

CVE-2010-3842

curl curl Security Advisory (CVE-2010-3842)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2010-3842 impacting curl curl. Evaluated with CVSS Base Score of 5.8 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Absolute path traversal vulnerability in curl 7.20.0 through 7.21.1, when the --remote-header-name or -J option is used, allows remote servers to create or overwrite arbitrary files by using \ (backslash) as a separator of path components within the Content-disposition HTTP header.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Confidentiality
None (C:N)
No data confidentiality impact

🎯 Affected Versions Matrix

Affected Product curl / curl
Affected Versions 7.20.0
Weakness Enumeration CWE-22

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-2010-3842 impacting curl curl.

⚡ Nuclei Detection Template (YAML) cve-2010-3842.yaml
id: cve-2010-3842

info:
  name: curl curl - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2010-3842 affecting curl curl.
    Evaluation: Absolute path traversal vulnerability in curl 7.20.0 through 7.21.1, when the --remote-header-name or -J option is used, allows remote servers to crea...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2010-3842
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:M/Au:N/C:N/I:P/A:P
    cvss-score: 5.8
    cve-id: CVE-2010-3842
    cwe-id: CWE-22
  tags: cve,cve-2010-3842,curl,curl,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "curl"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2010-3842.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2010-3842
# Target: curl curl | CVSS: 5.8 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2010-3842 (curl curl)...")
    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 curl curl scope (7.20.0).")
        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-2010-3842.sh
# Recommended Remediation & Patching Commands for CVE-2010-3842
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install curl 2>/dev/null || \
sudo dnf upgrade curl 2>/dev/null || \
sudo yum update curl

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

# 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-2010-3842 in curl curl?

Review vendor-specific security notices and update curl curl 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-2010-3842?

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-2010-3842?

CVE-2010-3842 is classified with a CVSS 3.1 Base Score of 5.8 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.8
UNKNOWN SEVERITY
CVE ID CVE-2010-3842
Weakness CWE-22
Vendor curl
Product curl
Published 2010-10-28
Vector AV:N/AC:M/Au:N/C:N/I:P/A:P