Jenkins Patches Multiple Vulnerabilities Allowing DoS | CyberDudeBivash Threat Intelligence Report
Executive Summary Jenkins, the widely used CI/CD automation server, has rolled out urgent fixes for multiple vulnerabilities that attackers could exploit to trigger denial-of-service (DoS) conditions. Jenkins is a cornerstone of DevOps pipelines, meaning such attacks could disrupt software builds, testing, and deployment pipelines across industries. Vulnerability Class: Input validation flaws, XML parsing issues, and resource exhaustion bugs. Impact: Remote attackers could crash Jenkins masters/agents, making pipelines unavailable. Fix: Upgrading to the latest Jenkins LTS releases eliminates the flaws. Risk Level: HIGH for organizations dependent on Jenkins for mission-critical CI/CD. Technical Breakdown Attack Vector: Exploitation typically requires network access to Jenkins endpoints (web UI, CLI, API). Flaws Fixed: Uncontrolled XML Entity Expansion (XXE/DoS): Malicious XML payloads could consume all CPU/RAM. Improper Input Handling: ...