HIGH CVSS 8.8
Published: 2023-11-27

CVE-2023-31275

kingsoft wps_office Security Advisory (CVE-2023-31275)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2023-31275 impacting kingsoft wps_office. Evaluated with CVSS Base Score of 8.8 (HIGH).

Original NVD Description

Source: NIST NVD
An uninitialized pointer use vulnerability exists in the functionality of WPS Office 11.2.0.11537 that handles Data elements in an Excel file. A specially crafted malformed file can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
Required (UI:R)
User must click or open resource
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
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product kingsoft / wps_office
Affected Versions 11.2.0.11537
Weakness Enumeration CWE-457

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-2023-31275 impacting kingsoft wps_office.

⚡ Nuclei Detection Template (YAML) cve-2023-31275.yaml
id: cve-2023-31275

info:
  name: kingsoft wps_office - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2023-31275 affecting kingsoft wps_office.
    Evaluation: An uninitialized pointer use vulnerability exists in the functionality of WPS Office 11.2.0.11537 that handles Data elements in an Excel file. A speci...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2023-31275
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2023-31275
    cwe-id: CWE-457
  tags: cve,cve-2023-31275,kingsoft,wps_office,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "wps_office"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2023-31275.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2023-31275
# Target: kingsoft wps_office | CVSS: 8.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2023-31275 (kingsoft wps_office)...")
    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 kingsoft wps_office scope (11.2.0.11537).")
        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-2023-31275.sh
# Recommended Remediation & Patching Commands for CVE-2023-31275
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install wps_office 2>/dev/null || \
sudo dnf upgrade wps_office 2>/dev/null || \
sudo yum update wps_office

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

# 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

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2023-31275 in kingsoft wps_office?

Review vendor-specific security notices and update kingsoft wps_office 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-2023-31275?

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-2023-31275?

CVE-2023-31275 is classified with a CVSS 3.1 Base Score of 8.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.8
HIGH SEVERITY
CVE ID CVE-2023-31275
Weakness CWE-457
Vendor kingsoft
Product wps_office
Published 2023-11-27
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H