LOW CVSS 2.9
Published: 2025-07-28

CVE-2023-53161

sequoia-pgp buffered-reader Security Advisory (CVE-2023-53161)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2023-53161 impacting sequoia-pgp buffered-reader. Evaluated with CVSS Base Score of 2.9 (LOW).

Original NVD Description

Source: NIST NVD
The buffered-reader crate before 1.1.5 for Rust allows out-of-bounds array access and a panic.

📊 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
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product sequoia-pgp / buffered-reader
Affected Versions *
Weakness Enumeration CWE-125

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-2023-53161 impacting sequoia-pgp buffered-reader.

⚡ Nuclei Detection Template (YAML) cve-2023-53161.yaml
id: cve-2023-53161

info:
  name: sequoia-pgp buffered-reader - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: low
  description: |
    Automated signature & scanner for CVE-2023-53161 affecting sequoia-pgp buffered-reader.
    Evaluation: The buffered-reader crate before 1.1.5 for Rust allows out-of-bounds array access and a panic....
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2023-53161
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
    cvss-score: 2.9
    cve-id: CVE-2023-53161
    cwe-id: CWE-125
  tags: cve,cve-2023-53161,sequoia-pgp,buffered-reader,low

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "buffered-reader"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2023-53161.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2023-53161
# Target: sequoia-pgp buffered-reader | CVSS: 2.9 (LOW)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2023-53161 (sequoia-pgp buffered-reader)...")
    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 sequoia-pgp buffered-reader 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-2023-53161.sh
# Recommended Remediation & Patching Commands for CVE-2023-53161
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install buffered-reader 2>/dev/null || \
sudo dnf upgrade buffered-reader 2>/dev/null || \
sudo yum update buffered-reader

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

# 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-2023-53161 in sequoia-pgp buffered-reader?

Review vendor-specific security notices and update sequoia-pgp buffered-reader 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-2023-53161?

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-2023-53161?

CVE-2023-53161 is classified with a CVSS 3.1 Base Score of 2.9 (LOW). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
2.9
LOW SEVERITY
CVE ID CVE-2023-53161
Weakness CWE-125
Vendor sequoia-pgp
Product buffered-reader
Published 2025-07-28
Vector CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L