UNKNOWN CVSS 7.1
Published: 2008-06-18

CVE-2008-2749

sun java_system_calendar_server Security Advisory (CVE-2008-2749)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2008-2749?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2008-2749 impacting sun java_system_calendar_server. Evaluated with CVSS Base Score of 7.1 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Unspecified vulnerability in cshttpd in Sun Java System Calendar Server 6 and 6.3, and Sun ONE Calendar Server 6.0, when access logging (aka service.http.commandlog.all) is enabled, allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors.

📊 CVSS v3.1 Metric Breakdown

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

🎯 Affected Versions Matrix

Affected Product sun / java_system_calendar_server
Affected Versions 6
Weakness Enumeration NVD-CWE-noinfo

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-2008-2749 impacting sun java_system_calendar_server.

⚡ Nuclei Detection Template (YAML) cve-2008-2749.yaml
id: cve-2008-2749

info:
  name: sun java_system_calendar_server - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2008-2749 affecting sun java_system_calendar_server.
    Evaluation: Unspecified vulnerability in cshttpd in Sun Java System Calendar Server 6 and 6.3, and Sun ONE Calendar Server 6.0, when access logging (aka service.h...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2008-2749
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:M/Au:N/C:N/I:N/A:C
    cvss-score: 7.1
    cve-id: CVE-2008-2749
    cwe-id: NVD-CWE-noinfo
  tags: cve,cve-2008-2749,sun,java_system_calendar_serv,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "java_system_calendar_server"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2008-2749.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2008-2749
# Target: sun java_system_calendar_server | CVSS: 7.1 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2008-2749 (sun java_system_calendar_server)...")
    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 sun java_system_calendar_server scope (6).")
        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-2008-2749.sh
# Recommended Remediation & Patching Commands for CVE-2008-2749
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install java_system_calendar_serv 2>/dev/null || \
sudo dnf upgrade java_system_calendar_serv 2>/dev/null || \
sudo yum update java_system_calendar_serv

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

# 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-2008-2749 in sun java_system_calendar_server?

Review vendor-specific security notices and update sun java_system_calendar_server 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-2008-2749?

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-2008-2749?

CVE-2008-2749 is classified with a CVSS 3.1 Base Score of 7.1 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.1
UNKNOWN SEVERITY
CVE ID CVE-2008-2749
Weakness NVD-CWE-noinfo
Vendor sun
Product java_system_calendar_server
Published 2008-06-18
Vector AV:N/AC:M/Au:N/C:N/I:N/A:C