UNKNOWN CVSS 2.1
Published: 2012-08-08

CVE-2011-4922

pidgin pidgin Security Advisory (CVE-2011-4922)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2011-4922 impacting pidgin pidgin. Evaluated with CVSS Base Score of 2.1 (UNKNOWN).

Original NVD Description

Source: NIST NVD
cipher.c in the Cipher API in libpurple in Pidgin before 2.7.10 retains encryption-key data in process memory, which might allow local users to obtain sensitive information by reading a core file or other representation of memory contents.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product pidgin / pidgin
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-2011-4922 impacting pidgin pidgin.

⚡ Nuclei Detection Template (YAML) cve-2011-4922.yaml
id: cve-2011-4922

info:
  name: pidgin pidgin - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2011-4922 affecting pidgin pidgin.
    Evaluation: cipher.c in the Cipher API in libpurple in Pidgin before 2.7.10 retains encryption-key data in process memory, which might allow local users to obtain...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2011-4922
  classification:
    cvss-metrics: CVSS:3.1/AV:L/AC:L/Au:N/C:P/I:N/A:N
    cvss-score: 2.1
    cve-id: CVE-2011-4922
    cwe-id: CWE-200
  tags: cve,cve-2011-4922,pidgin,pidgin,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "pidgin"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2011-4922.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2011-4922
# Target: pidgin pidgin | CVSS: 2.1 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2011-4922 (pidgin pidgin)...")
    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 pidgin pidgin 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-2011-4922.sh
# Recommended Remediation & Patching Commands for CVE-2011-4922
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install pidgin 2>/dev/null || \
sudo dnf upgrade pidgin 2>/dev/null || \
sudo yum update pidgin

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

# 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-2011-4922 in pidgin pidgin?

Review vendor-specific security notices and update pidgin pidgin 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-2011-4922?

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-2011-4922?

CVE-2011-4922 is classified with a CVSS 3.1 Base Score of 2.1 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
2.1
UNKNOWN SEVERITY
CVE ID CVE-2011-4922
Weakness CWE-200
Vendor pidgin
Product pidgin
Published 2012-08-08
Vector AV:L/AC:L/Au:N/C:P/I:N/A:N