
CVE-2023-40582: Express flaw exposes root shell Detailed walkthrough of CVE-2023-40582: a Node.js Express app exposes /check-command, passing unsanitized user input to find-exec causing shell command injection. Attacker retrieved root shell via semicolon chaining, exposed by unauthenticated /check-command. Key lessons: sanitize inputs, least privilege, avoid exposing code, and authenticate endpoints. Read more: https://medium.com/@cyber_public_school/cve-2023-40582-walkthrough-proving-ground-oscp-8188b631f010?source=rss------cybersecurity-5 Discover the app: https://www.secwiser.com/app #ApplicationSecurity #WebSecurity #OWASP #VulnerabilityManagement #CyberSecurity #InfoSec #ExploitDetection #SecureCoding #NodeJS #ExpressJS #TrendingTech #Secwiser
Post summary
The post offers a detailed walkthrough of CVE-2023-40582, demonstrating how an unsanitized Express endpoint can be used for shell command injection and root privilege escalation.

