![]() There are no perfect solutions but there are many smart people tackling the issues there doing code audits or performing security assessments, dare I say penetrating testing with an independent team or contractor is something that is definitely on the radar of competent organizations. Vulnerable software is a problem that we as an industry have been trying to deal with for a long time. In today's ever evolving cybersecurity landscape, some organizations are starting to get the grasp of their individual threat profiles and associated attack surfaces that they have to invest time and effort in. Comparison with other billing libraries (Amazon and Samsung). Conclusion: Sum up of the numbers of vulnerable applications. The presentation will focus on how the billing process is performed and how by reverse engineering the application, it is still possible to bypass the payment process.Ĥ. Vulnerable applications: Example of vulnerable applications trying to protect the billing process (Doodle Jump, Snoopy Pop, Fruit Ninja, etc.) with different techniques (obfuscation, shared libraries, etc.). Demonstration of why the fixes performed by Google are not enough and how it is still possible to bypass the payment process.ģ. Known vulnerabilities: Review of the vulnerabilities found by Dominik Schürmann. ![]() In addition, a focus will be done on the local validation of the process.Ģ. Google Play Billing Presentation: Presentation of the workflow and how it works. The agenda of the presentation will be divided as follow:ġ. ![]() This presentation will show real vulnerable applications (Fruit Ninja, Doodle Jump, etc.). I analyzed several android games and found that it possible to bypass the payment process. However, the Google Play Billing API is vulnerable by design and allows an attacker to bypass the payment process. Just in the Google Play Store, for 2018, more than 200 000 apps are offering in-app purchases. In 2017, the estimated global in-app purchase revenue was projected to exceed $37 billion. ![]()
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