OWASP Top 10 Deep Dive: Defending Against Server-Side Request Forgery

OWASP Top 10 Deep Dive: Defending Against Server-Side Request Forgery

Web applications are no longer just assets to a company — they’re an organization’s identity, playing a major role in how customers, clients, and users see a brand. Due to this importance, web apps have also become a primary target for attack.

Over the years, these applications have grown more complex and bigger in size. Meanwhile, attackers have gotten more skillful. This has created greater opportunities for malicious actors to exploit potential vulnerabilities in web applications.

With the recent release of the 2021 Open Web Application Security Project (OWASP) top 10, we’re taking a deep dives into some of the new items added to the list. So far, we’ve covered injection and vulnerable and outdated components. In this post, we’ll focus on server-side request forgery (SSRF), which comes in at number 10 on the updated list.

SSRF attacks present a range of risks, from potentially stealing sensitive information from the application to bringing the entire web application down. These attacks target systems that are located behind firewalls and restrict access from non-trusted networks. Protecting your application from such attacks is vitally important. Here, we'll talk about the different types of SSRF attacks and go over some mitigation techniques

What is server-side request forgery (SSRF)?

SSRF allows an attacker to force the server-side application into making arbitrary web requests to an unintended domain. This can result in the server making connections to internal-only services or arbitrary external systems.

A successful SSRF attack can result in unauthorized actions or access to data within the organization ..

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