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| Content Provider | ACM Digital Library |
|---|---|
| Author | Bortz, Andrew Boneh, Dan |
| Abstract | We show that the time web sites take to respond to HTTP requests can leak private information, using two different types of attacks. The first, direct timing, directly measures response times from a web site to expose private information such as validity of an username at a secured site or the number of private photos in a publicly viewable gallery. The second, cross-site timing, enables a malicious web site to obtain information from the user's perspective at another site. For example, a malicious site can learn if the user is currently logged in at a victim site and, in some cases, the number of objects in the user's shopping cart. Our experiments suggest that these timing vulnerabilities are wide-spread. We explain in detail how and why these attacks work, and discuss methods for writing web application code that resists these attacks. |
| Starting Page | 621 |
| Ending Page | 628 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781595936547 |
| DOI | 10.1145/1242572.1242656 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2007-05-08 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Privacy Web application security Phishing Web browser design Web spoofing |
| Content Type | Text |
| Resource Type | Article |
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