Added time constant string comparison #1
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Retrospectively, this should have been reported to Node Security Project first. We have done it as an after thought but sorry for the immediate public disclosure =( |
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The string comparison currently used in
csrf-liteis susceptible to a timing attack (e.g. attacker can detect millisecond changes by Node.js short circuiting string comparison). To mitigate that attack, we can use a time constant string comparison.In this PR:
===toscmpfor time constant string comparison