CVE-2023-39641

9.8 CRITICAL

📋 TL;DR

This SQL injection vulnerability in the psaffiliate PrestaShop module allows attackers to execute arbitrary SQL commands through the PsaffiliateGetaffiliatesdetailsModuleFrontController::initContent() component. Attackers can potentially read, modify, or delete database content, including sensitive customer and order information. All PrestaShop installations using psaffiliate versions before 1.9.8 are affected.

💻 Affected Systems

Products:
  • Active Design psaffiliate PrestaShop module
Versions: All versions before 1.9.8
Operating Systems: All operating systems running PrestaShop
Default Config Vulnerable: ⚠️ Yes
Notes: Requires the psaffiliate module to be installed and enabled on a PrestaShop installation.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise leading to data theft, data destruction, privilege escalation, and potential remote code execution via database functions.

🟠

Likely Case

Unauthorized access to sensitive affiliate, customer, and order data, potentially leading to data exfiltration and business disruption.

🟢

If Mitigated

Limited impact with proper input validation, parameterized queries, and database permission restrictions in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

SQL injection vulnerabilities are typically easy to exploit with automated tools. The specific exploit path is documented in security advisories.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.9.8

Vendor Advisory: https://security.friendsofpresta.org/modules/2023/08/31/psaffiliate.html

Restart Required: No

Instructions:

1. Log into PrestaShop admin panel. 2. Navigate to Modules > Module Manager. 3. Find 'psaffiliate' module. 4. Click 'Upgrade' to version 1.9.8 or later. 5. Alternatively, download from addons.prestashop.com and manually upload.

🔧 Temporary Workarounds

Disable psaffiliate module

all

Temporarily disable the vulnerable module until patching is possible

UPDATE ps_module SET active = 0 WHERE name = 'psaffiliate';

Implement WAF rules

all

Add web application firewall rules to block SQL injection patterns targeting the vulnerable endpoint

🧯 If You Can't Patch

  • Implement strict input validation and sanitization for all user inputs
  • Apply principle of least privilege to database user accounts

🔍 How to Verify

Check if Vulnerable:

Check module version in PrestaShop admin panel under Modules > Module Manager > psaffiliate

Check Version:

SELECT version FROM ps_module WHERE name = 'psaffiliate';

Verify Fix Applied:

Confirm psaffiliate module version is 1.9.8 or higher

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL error messages in web server logs
  • Multiple requests to /module/psaffiliate/getaffiliatesdetails endpoint with SQL patterns

Network Indicators:

  • HTTP requests containing SQL keywords (UNION, SELECT, INSERT) targeting the vulnerable endpoint

SIEM Query:

web.url:*getaffiliatesdetails* AND (web.query:*UNION* OR web.query:*SELECT* OR web.query:*INSERT*)

🔗 References

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