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    SubjectRe: 2.4.22-pre7: are security issues solved?
    On Wed, 23 Jul 2003 19:56:47 +1000
    Herbert Xu <herbert@gondor.apana.org.au> wrote:

    > Aschwin Marsman <a.marsman@aynik.com> wrote:
    > >
    > >> CAN-2003-0461: /proc/tty/driver/serial reveals the exact character counts
    > >> for serial links. This could be used by a local attacker to infer password
    > >> lengths and inter-keystroke timings during password entry.
    >
    > What's the problem with exposing those counters?

    If I know your password is 7 characters I have a smaller
    space of passwords to search to just brute-force it.
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