Penetration Test of GWT Web Applications

Penetration Test of GWT-based Web Applications

As part of several projects, we tested web applications built with the Google Web Toolkit (GWT). This technology is commonly used in administrative and specialized applications and is characterized by complex, highly serialized communication between browser and server. Traditional automated testing approaches, such as those using Burp Suite, can only be applied to a limited extent, as the communication is often proprietary or additionally encrypted.

The assessment therefore requires a deep understanding of the underlying architecture. A significant portion of the work involves manual testing to interpret data structures, analyze protocols, and derive potential attack vectors. While manual verification is also part of a typical web application pentest, such tests can usually be supported extensively by automation. In GWT-based applications, however - especially when communication between client and server is encrypted - this is barely feasible. In the end, the analysis is largely manual. Or, as one of our pentesters aptly put it: “You just have to think.”

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Patrick Sauer, OSCP, M.Sc. Security Management
Patrick Sauer, CEO
OSCP, M.Sc. Security Management

Talk now to our Pentest experts.

Patrick Sauer, CEO
Patrick Sauer, CEO
OSCP, M.Sc. Security Management
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Penetration Testing

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