MEDIUM CVSS 6.7
Published: 2021-02-25

CVE-2020-8032

opensuse cyrus-sasl Security Advisory (CVE-2020-8032)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-8032 impacting opensuse cyrus-sasl. Evaluated with CVSS Base Score of 6.7 (MEDIUM).

Original NVD Description

Source: NIST NVD
A Insecure Temporary File vulnerability in the packaging of cyrus-sasl of openSUSE Factory allows local attackers to escalate to root. This issue affects: openSUSE Factory cyrus-sasl version 2.1.27-4.2 and prior versions.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
High (AC:H)
Depends on race conditions or environment
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product opensuse / cyrus-sasl
Affected Versions *
Weakness Enumeration CWE-377

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-2020-8032 impacting opensuse cyrus-sasl.

⚡ Nuclei Detection Template (YAML) cve-2020-8032.yaml
id: cve-2020-8032

info:
  name: opensuse cyrus-sasl - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2020-8032 affecting opensuse cyrus-sasl.
    Evaluation: A Insecure Temporary File vulnerability in the packaging of cyrus-sasl of openSUSE Factory allows local attackers to escalate to root. This issue affe...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-8032
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
    cvss-score: 6.7
    cve-id: CVE-2020-8032
    cwe-id: CWE-377
  tags: cve,cve-2020-8032,opensuse,cyrus-sasl,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "cyrus-sasl"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-8032.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-8032
# Target: opensuse cyrus-sasl | CVSS: 6.7 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2020-8032 (opensuse cyrus-sasl)...")
    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 opensuse cyrus-sasl 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-2020-8032.sh
# Recommended Remediation & Patching Commands for CVE-2020-8032
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install cyrus-sasl 2>/dev/null || \
sudo dnf upgrade cyrus-sasl 2>/dev/null || \
sudo yum update cyrus-sasl

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

# 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.

🔗 Verified Technical References

Authorities
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Technical Analysis
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2020-8032 in opensuse cyrus-sasl?

Review vendor-specific security notices and update opensuse cyrus-sasl 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-2020-8032?

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-2020-8032?

CVE-2020-8032 is classified with a CVSS 3.1 Base Score of 6.7 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.7
MEDIUM SEVERITY
CVE ID CVE-2020-8032
Weakness CWE-377
Vendor opensuse
Product cyrus-sasl
Published 2021-02-25
Vector CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N