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{"bugzilla": {"description": "tor: allows breaking its anonymity via single cell", "id": "486706", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=486706"}, "csaw": false, "details": ["Tor 0.2.0.28, and probably 0.2.0.34 and earlier, allows remote attackers, with control of an entry router and an exit router, to confirm that a sender and receiver are communicating via vectors involving (1) replaying, (2) modifying, (3) inserting, or (4) deleting a single cell, and then observing cell recognition errors at the exit router. NOTE: the vendor disputes the significance of this issue, noting that the product's design \"accepted end-to-end correlation as an attack that is too expensive to solve.\""], "name": "CVE-2009-0654", "public_date": "2009-02-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-0654\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-0654"], "threat_severity": "Low"}