Security & Compliance

How We Audited a High-Traffic C++ Enterprise Stack on AWS and Mitigated XML External Entity (XXE) injection in old SOAP integrations

Auditing a High-Traffic C++ Enterprise Stack on AWS Our recent engagement involved a critical, high-traffic enterprise application stack built primarily on C++ services, deployed across a complex AWS infrastructure. The primary objective was a comprehensive security audit, with a specific focus on identifying and mitigating vulnerabilities within legacy SOAP integrations. These integrations, while functional, represented […]

How We Audited a High-Traffic WooCommerce Enterprise Stack on DigitalOcean and Mitigated Cross-Site Scripting (XSS) in custom themes

Initial Stack Assessment and Threat Modeling Our engagement began with a deep dive into the existing infrastructure and application stack. The client, a high-traffic enterprise WooCommerce store hosted on DigitalOcean, presented a complex environment. The core components included: DigitalOcean Droplets: Multiple compute instances for web servers, database, and caching layers. Nginx: Acting as a reverse […]

How We Audited a High-Traffic WooCommerce Enterprise Stack on OVH and Mitigated Remote Code Execution (RCE) via insecure file uploads

Initial Reconnaissance and Attack Surface Identification Our engagement began with a deep dive into the existing infrastructure. The client operates a high-traffic WooCommerce store hosted on OVH’s dedicated server offerings. The stack comprises a typical LAMP (Linux, Apache, MySQL, PHP) setup, with additional components like Redis for caching and potentially Varnish for front-end acceleration. The […]

Mitigating Insecure Deserialization in legacy session handling in Custom Ruby Implementations

Understanding the Vulnerability: Ruby Marshal and Session Hijacking Many legacy Ruby applications, particularly those built on older versions of frameworks like Ruby on Rails, often relied on Ruby’s built-in `Marshal` module for serializing and deserializing session data. While convenient, `Marshal` is inherently insecure when handling untrusted input. The `Marshal.load` method can execute arbitrary Ruby code […]

Mitigating SQL Injection (SQLi) in customized checkout queries in Custom WooCommerce Implementations

Understanding the Attack Surface in Custom WooCommerce Checkout Logic When extending WooCommerce for custom checkout flows, developers often find themselves directly manipulating database queries to fetch or update order-related data. This is particularly common when integrating with third-party systems, implementing complex shipping/payment logic, or generating custom reports. The inherent danger lies in how these custom […]

How We Audited a High-Traffic Perl Enterprise Stack on OVH and Mitigated Remote Code Execution (RCE) via eval block syntax flaws

Initial Triage: Identifying the Attack Vector Our engagement began with a critical alert: a high-traffic Perl enterprise stack hosted on OVH infrastructure was exhibiting anomalous outbound network traffic. The initial hypothesis pointed towards a potential compromise, necessitating an immediate deep dive into the application’s security posture. The stack comprised several interconnected Perl applications, a MySQL […]

Preparing for PCI-DSS Compliance: Security Hardening in WordPress and OVH Infrastructures

WordPress Security Hardening for PCI-DSS Achieving and maintaining Payment Card Industry Data Security Standard (PCI-DSS) compliance for a WordPress-powered application requires a multi-layered approach, focusing on both the application layer and the underlying infrastructure. This document outlines specific, actionable steps for hardening WordPress installations and configuring OVH infrastructure components to meet stringent security requirements. 1. […]

Securing Your E-commerce APIs: Preventing Remote Code Execution (RCE) via insecure file uploads in WordPress Implementations

Understanding the RCE Threat in WordPress File Uploads Remote Code Execution (RCE) via insecure file uploads is a persistent and critical vulnerability in web applications, especially those built on dynamic platforms like WordPress. Attackers exploit this by uploading malicious files (e.g., PHP shells, backdoors) disguised as legitimate media, which are then executed by the server, […]

How We Audited a High-Traffic Shopify Enterprise Stack on AWS and Mitigated access token leakages via unvalidated application redirections

Deep Dive: Auditing a High-Traffic Shopify Enterprise Stack on AWS This post details a recent security audit of a large-scale Shopify enterprise deployment hosted on AWS. The primary objective was to identify and remediate potential attack vectors, with a specific focus on access token leakage. We encountered a critical vulnerability related to unvalidated application redirections, […]

Mitigating OWASP Top 10 Risks: Finding and Patching XML External Entity (XXE) injection in old SOAP integrations in Perl

Identifying XXE Vulnerabilities in Legacy Perl SOAP Services Many organizations still rely on legacy SOAP integrations, often built with Perl, to connect disparate systems. These services, while functional, can harbor significant security vulnerabilities, particularly XML External Entity (XXE) injection. XXE attacks exploit parsers that process XML input, allowing attackers to read sensitive files from the […]

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