甘草片不能和什么药一起吃
AUTHORs: 
Peter Snyder, Soroush Karami, Arthur Edelstein, Benjamin Livshits, 
Hamed HaddadiAuthors Info & Claims
Peter Snyder, Soroush Karami, Arthur Edelstein, Benjamin Livshits, Hamed HaddadiAuthors Info & ClaimsArticle No.: 397, Pages 7091 - 7105
Abstract
We identify class of covert channels in browsers that are not mitigated by current defenses, which we call "pool-party" attacks. Pool-party attacks allow sites to create covert channels by manipulating limited-but-unpartitioned resource pools. This class of attacks have been known to exist; in this work we show that they are more prevalent, more practical for exploitation, and allow exploitation in more ways, than previously identified. These covert channels have sufficient bandwidth to pass cookies and identifiers across site boundaries under practical and real-world conditions. We identify pool-party attacks in all popular browsers, and show they are practical cross-site tracking techniques (i.e., attacks take 0.6s in Chrome and Edge, and 7s in Firefox and Tor Browser).
In this paper we make the following contributions: first, we describe pool-party covert channel attacks that exploit limits in application-layer resource pools in browsers. Second, we demonstrate that pool-party attacks are practical, and can be used to track users in all popular browsers; we also share open source implementations of the attack. Third, we show that in Gecko based-browsers (including the Tor Browser) poolparty attacks can also be used for cross-profile tracking (e.g., linking user behavior across normal and private browsing sessions). Finally, we discuss possible defenses.
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Published: 09 August 2023
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