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| Content Provider | ACM Digital Library |
|---|---|
| Author | Vallina-Rodriguez, Narseo Weaver, Nicholas Paxson, Vern Amann, Johanna Kreibich, Christian |
| Abstract | The security of today's Web rests in part on the set of X.509 certificate authorities trusted by each user's browser. Users generally do not themselves configure their browser's root store but instead rely upon decisions made by the suppliers of either the browsers or the devices upon which they run. In this work we explore the nature and implications of these trust decisions for Android users. Drawing upon datasets collected by Netalyzr for Android and ICSI's Certificate Notary, we characterize the certificate root store population present in mobile devices in the wild. Motivated by concerns that bloated root stores increase the attack surface of mobile users, we report on the interplay of certificate sets deployed by the device manufacturers, mobile operators, and the Android OS. We identify certificates installed exclusively by apps on rooted devices, thus breaking the audited and supervised root store model, and also discover use of TLS interception via HTTPS proxies employed by a market research company. |
| Starting Page | 141 |
| Ending Page | 148 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781450332798 |
| DOI | 10.1145/2674005.2675015 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2014-12-02 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Measurements Public-key infrastructure X.509 Https Man-in-the-middle Tls Security Mobile Root store Android |
| Content Type | Text |
| Resource Type | Article |
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