Timing Attack Vulnerability in Rack::Session::Cookie
CVE-2013-0263 · MEDIUM Severity
AV:N/AC:H/AU:N/C:P/I:P/A:P
Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving an HMAC comparison function that does not run in constant time.
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