Other nomination

Autobinding vulns and Spring MVC

Spring MVC repopulates an object taken from the model, session or a flash attribute with matching HTTP parameters, so a controller expecting trusted data can be rewritten by extra request parameters. That yields expression language injection, overwriting a security answer to reset another user's password, and session variable overloading.

In the archive

• Nominated for the 2016–17 Top 10 Web Hacking Techniques

Related sources

• DEF CON Russia talk (Russian)
• Companion challenge source

Tags

• mass-assignment
• auth-bypass
• ssti
• privilege-escalation
• injection
• spring
• java
• owasp-a01-2021
• owasp-a03-2021

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