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2014 BASC Presentations
2014 BASC: Home Agenda Presentations Speakers
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Securing The Android Apps On Your Wrist and Face
Android Wear and Google Glass introduce new ways of interacting with our apps and receiving timely, contextual information from the world around us. Smartphones and tablets are becoming the central point for sending and receiving data from wearables and sensors. Building apps for a wearable world introduces new risks as well as shifts the responsibilities for implementing security controls to other layers.
Many of the same issues we’re familiar with from past Android experiences are still relevant, while some issues are less impactful or not (currently) possible within existing wearables. At the same time, extending the app’s trust boundaries introduces new points of exposure for developers to be aware of in order to proactively defend against attacks. We want to highlight these areas, which developers may not be aware of when adding a wearable component to an existing app.
In this presentation, we will explore how Android Wear and Glass work underneath the hood. We will examine their methods of communication, data replication, and persistence options. We will examine how they fit into the Android development ecosystem and the new risks to privacy and security that need to be considered. Our goal isn’t to deter developers from building wearable apps, but to enable them to make strong security decisions throughout development.
Finding and Exploiting Access Control Vulnerabilities in Graphical User Interfaces
Graphical user interfaces (GUIs) contain a number of common visual elements or widgets such as labels, text fields, buttons, and lists. GUIs typically provide the ability to set attributes on these widgets to control their visibility, enabled status, and whether they are writable. While these attributes are extremely useful to provide visual cues to users to guide them through an application's GUI, they can also be misused for purposes they were not intended. In particular, in the context of GUI-based applications that include multiple privilege levels within the application, GUI element attributes are often misused as a mechanism for enforcing access control policies.
In this session, we introduce GEMs, or instances of GUI element misuse, as a novel class of access control vulnerabilities in GUI-based applications. We present a classification of different GEMs that can arise through misuse of widget attributes, and describe a general algorithm for identifying and confirming the presence of GEMs in vulnerable applications. We then present GEM Miner, an implementation of our GEM analysis for the Windows platform. We evaluate GEM Miner using real-world GUI-based applications that target the small business and enterprise markets, and demonstrate the efficacy of our analysis by finding numerous previously unknown access control vulnerabilities in these applications.
Why Your AppSec Experts Are Killing You
Software development has been transformed by practices like Continuous Integration and Continuous Integration, while application security has remained trapped in expert-based waterfall mode. In this talk, Jeff will show you how you can evolve into a “Continuous Application Security” organization that generates assurance automatically across an entire application security portfolio. Jeff will show you how to bootstrap the “sensor-model-dashboard” feedback loop that makes real time, continuous application security possible. He will demonstrate the approach with a new *free* tool called Contrast for Eclipse that brings the power of instrumentation-based application security testing directly into the popular IDE. Check out “Application Security at DevOps Speed and Portfolio Scale” for some background.
===Why is CSP Failing? Trends and Challenges in CSP Adoption===
Content Security Policy (CSP) has been proposed as a principled and robust browser security mechanism against content injection attacks such as XSS. When configured correctly, CSP renders malicious code injection and data exfiltration exceedingly difficult for attackers. However, despite the promise of these security benefits and being implemented in almost all major browsers, CSP adoption is minuscule-our measurements show that CSP is deployed in enforcement mode on only 1% of the Alexa Top 100.
In this paper, we present the results of a long-term study to determine challenges in CSP deployments that can prevent wide adoption. We performed weekly crawls of the Alexa Top 1M to measure adoption of web security headers, and find that CSP both significantly lags other security headers, and that the policies in use are often ineffective at actually preventing content injection. In addition, we evaluate the feasibility of deploying CSP from the perspective of a security-conscious website operator. We used an incremental deployment approach through CSP's report-only mode on four websites, collecting over 10M reports. Furthermore, we used semi-automated policy generation through web application crawling on a set of popular websites. We found both that automated methods do not suffice and that significant barriers exist to producing accurate results.
Finally, based on our observations, we suggest several improvements to CSP that could help to ease its adoption by the web community.
The Intersection of Application Architecture and Security Architecture
This presentation will look at the relationship between security architecture and application architecture, specifically on the impact on application security from recent proposed changes to the Clark-Wilson integrity model. I'll explore those changes in depth, discuss the implications for application design. I'll also discuss the implications of these changes to distributed application architectures such as service oriented architectures and other distributed models.
This presentation will be based upon my recent book: Security for Service Oriented Architectures, CRC press, and 10 years of experience working with application security architecture in various corporations.
